summaryrefslogtreecommitdiff
blob: 2f75ab339ce89d7b94aeba93337d2f279051ac6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
# Base eclass for Java packages
#
# Copyright (c) 2004-2005, Thomas Matthijs <axxo@gentoo.org>
# Copyright (c) 2004, Karl Trygve Kalleberg <karltk@gentoo.org>
# Copyright (c) 2004-2005, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
#
# $Header: /var/cvsroot/gentoo-x86/eclass/java-utils-2.eclass,v 1.105 2008/03/26 23:00:23 ali_bush Exp $

# -----------------------------------------------------------------------------
# @eclass-begin
# @eclass-shortdesc Java Utility eclass
# @eclass-maintainer java@gentoo.org
#
# This eclass provides functionality which is used by
# java-pkg.eclass and java-pkg-opt.eclass as well as from ebuilds.
#
# @warning
#   You probably don't want to inherit this directly from an ebuild. Instead,
#   you should inherit java-ant for Ant-based Java packages, java-pkg for other
#   Java packages, or java-pkg-opt for packages that have optional Java support.
#
# -----------------------------------------------------------------------------

inherit eutils versionator multilib

IUSE="elibc_FreeBSD"

# -----------------------------------------------------------------------------
# @section-begin variables
# @section-title Variables
#
# Summary of variables which control the behavior of building Java packges.
# -----------------------------------------------------------------------------

# Make sure we use java-config-2
export WANT_JAVA_CONFIG="2"

# -----------------------------------------------------------------------------
# @variable-external WANT_ANT_TASKS
# @variable-default ""
#
# An $IFS separated list of ant tasks.
# Ebuild can specify this variable before inheriting java-ant-2 eclass to
# determine ANT_TASKS it needs. They will be automatically translated to
# DEPEND variable and ANT_TASKS variable. JAVA_PKG_FORCE_ANT_TASKS can override
# ANT_TASKS set by WANT_ANT_TASKS, but not the DEPEND due to caching.
# Ebuilds that need to depend conditionally on certain tasks and specify them
# differently for different eant calls can't use this simplified approach.
# You also cannot specify version or anything else than ant-*.
#
# @example WANT_ANT_TASKS="ant-junit ant-trax"
#
# @seealso JAVA_PKG_FORCE_ANT_TASKS
# -----------------------------------------------------------------------------
#WANT_ANT_TASKS

# -----------------------------------------------------------------------------
# @variable-internal JAVA_PKG_PORTAGE_DEP
#
# The version of portage we need to function properly. Previously it was
# portage with phase hooks support but now we use a version with proper env
# saving.
# -----------------------------------------------------------------------------
JAVA_PKG_PORTAGE_DEP=">=sys-apps/portage-2.1.2.7"

# -----------------------------------------------------------------------------
# @variable-internal JAVA_PKG_E_DEPEND
#
# This is a convience variable to be used from the other java eclasses. This is
# the version of java-config we want to use. Usually the latest stable version
# so that ebuilds can use new features without depending on specific versions.
# -----------------------------------------------------------------------------
JAVA_PKG_E_DEPEND=">=dev-java/java-config-2.0.33-r1 ${JAVA_PKG_PORTAGE_DEP}"
hasq source ${JAVA_PKG_IUSE} && JAVA_PKG_E_DEPEND="${JAVA_PKG_E_DEPEND} source? ( app-arch/zip )"

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_ALLOW_VM_CHANGE
# @variable-default yes
#
# Allow this eclass to change the active VM?
# If your system VM isn't sufficient for the package, the build will fail.
# @note This is useful for testing specific VMs.
# -----------------------------------------------------------------------------
JAVA_PKG_ALLOW_VM_CHANGE=${JAVA_PKG_ALLOW_VM_CHANGE:="yes"}

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_FORCE_VM
#
# Explicitly set a particular VM to use. If its not valid, it'll fall back to
# whatever /etc/java-config-2/build/jdk.conf would elect to use.
#
# Should only be used for testing and debugging.
#
# @example Use sun-jdk-1.5 to emerge foo
#	JAVA_PKG_FORCE_VM=sun-jdk-1.5 emerge foo
#
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_WANT_SOURCE
#
# Specify a specific VM version to compile for to use for -source.
# Normally this is determined from DEPEND.
# See java-pkg_get-source function below.
#
# Should only be used for testing and debugging.
#
# @seealso java-pkg_get-source
#
# @example Use 1.4 source to emerge baz
#	JAVA_PKG_WANT_SOURCE=1.4 emerge baz
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_WANT_TARGET
#
# Same as JAVA_PKG_WANT_SOURCE above but for -target.
# See java-pkg_get-target function below.
#
# Should only be used for testing and debugging.
#
# @seealso java-pkg_get-target
#
# @example emerge bar to be compatible with 1.3
#	JAVA_PKG_WANT_TARGET=1.3 emerge bar
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @variable-internal JAVA_PKG_COMPILER_DIR
# @default /usr/share/java-config-2/compiler
#
# Directory where compiler settings are saved, without trailing slash.
# Probably shouldn't touch this variable.
# -----------------------------------------------------------------------------
JAVA_PKG_COMPILER_DIR=${JAVA_PKG_COMPILER_DIR:="/usr/share/java-config-2/compiler"}


# -----------------------------------------------------------------------------
# @variable-internal JAVA_PKG_COMPILERS_CONF
# @variable-default /etc/java-config-2/build/compilers.conf
#
# Path to file containing information about which compiler to use.
# Can be overloaded, but it should be overloaded for testing.
# -----------------------------------------------------------------------------
JAVA_PKG_COMPILERS_CONF=${JAVA_PKG_COMPILERS_CONF:="/etc/java-config-2/build/compilers.conf"}

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_FORCE_COMPILER
#
# Explicitly set a list of compilers to use. This is normally read from
# JAVA_PKG_COMPILERS_CONF.
#
# @note This should only be used internally or for testing.
# @example Use jikes and javac, in that order
#	JAVA_PKG_FORCE_COMPILER="jikes javac"
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @variable-external JAVA_PKG_FORCE_ANT_TASKS
#
# An $IFS separated list of ant tasks. Can be set in environment before calling
# emerge/ebuild to override variables set in ebuild, mainly for testing before
# putting the resulting (WANT_)ANT_TASKS into ebuild. Affects only ANT_TASKS in
# eant() call, not the dependencies specified in WANT_ANT_TASKS.
#
# @example JAVA_PKG_FORCE_ANT_TASKS="ant-junit ant-trax" \
# 	ebuild foo.ebuild compile
#
# @seealso WANT_ANT_TASKS
# -----------------------------------------------------------------------------

# TODO document me
JAVA_PKG_QA_VIOLATIONS=0

# -----------------------------------------------------------------------------
# @section-end variables
# -----------------------------------------------------------------------------


# -----------------------------------------------------------------------------
# @section-begin install
# @section-summary Install functions
#
# These are used to install Java-related things, such as jars, Javadocs, JNI
# libraries, etc.
# -----------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @ebuild-function java-pkg_doexamples
#
# Installs given arguments to /usr/share/doc/${PF}/examples
# If you give it only one parameter and it is a directory it will install
# everything in that directory to the examples directory.
#
# @example
#	java-pkg_doexamples demo
#	java-pkg_doexamples demo/* examples/*
#
# @param --subdir - If the examples need a certain directory structure
# @param $* - list of files to install
# ------------------------------------------------------------------------------
java-pkg_doexamples() {
	debug-print-function ${FUNCNAME} $*

	[[ ${#} -lt 1 ]] && die "At least one argument needed"

	java-pkg_check-phase install

	local dest=/usr/share/doc/${PF}/examples
	if [[ ${1} == --subdir ]]; then
		local dest=${dest}/${2}
		dodir ${dest}
		shift 2
	fi

	if [[ ${#} = 1 && -d ${1} ]]; then
		( # dont want to pollute calling env
			insinto "${dest}"
			doins -r ${1}/*
		) || die "Installing examples failed"
	else
		( # dont want to pollute calling env
			insinto "${dest}"
			doins -r "$@"
		) || die "Installing examples failed"
	fi
}

# -----------------------------------------------------------------------------
# @ebuild-function java-pkg_dojar
#
# Installs any number of jars.
# Jar's will be installed into /usr/share/${PN}(-${SLOT})/lib/ by default.
# You can use java-pkg_jarinto to change this path.
# You should never install a jar with a package version in the filename.
# Instead, use java-pkg_newjar defined below.
#
# @example
#	java-pkg_dojar dist/${PN}.jar dist/${PN}-core.jar
#
# @param $* - list of jars to install
# ------------------------------------------------------------------------------
java-pkg_dojar() {
	debug-print-function ${FUNCNAME} $*

	[[ ${#} -lt 1 ]] && die "At least one argument needed"

	java-pkg_check-phase install
	java-pkg_init_paths_

	# Create JARDEST if it doesn't exist
	dodir ${JAVA_PKG_JARDEST}

	local jar
	# for each jar
	for jar in "${@}"; do
		local jar_basename=$(basename "${jar}")

		java-pkg_check-versioned-jar ${jar_basename}

		# check if it exists
		if [[ -e "${jar}" ]] ; then
			# Don't overwrite if jar has already been installed with the same
			# name
			local dest="${D}${JAVA_PKG_JARDEST}/${jar_basename}"
			if [[ -e "${dest}" ]]; then
				ewarn "Overwriting ${dest}"
			fi

			# install it into JARDEST if it's a non-symlink
			if [[ ! -L "${jar}" ]] ; then
				#but first check class version when in strict mode.
				is-java-strict && java-pkg_verify-classes "${jar}"

				INSDESTTREE="${JAVA_PKG_JARDEST}" \
					doins "${jar}" || die "failed to install ${jar}"
				java-pkg_append_ JAVA_PKG_CLASSPATH "${JAVA_PKG_JARDEST}/${jar_basename}"
				debug-print "installed ${jar} to ${D}${JAVA_PKG_JARDEST}"
			# make a symlink to the original jar if it's symlink
			else
				# TODO use dosym, once we find something that could use it
				# -nichoj
				ln -s "$(readlink "${jar}")" "${D}${JAVA_PKG_JARDEST}/${jar_basename}"
				debug-print "${jar} is a symlink, linking accordingly"
			fi
		else
			die "${jar} does not exist"
		fi
	done

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @internal-function depend-java-query
#
# Wrapper for the depend-java-query binary to enable passing USE in env.
# Using env variables keeps this eclass working with java-config versions that
# do not handle use flags.
# ------------------------------------------------------------------------------

depend-java-query() {
	# Used to have a which call here but it caused endless loops for some people
	# that had some weird bashrc voodoo for which.
	USE="${USE}" /usr/bin/depend-java-query "${@}"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_regjar
#
# Records an already installed jar in the package.env
# This would mostly be used if the package has make or a custom script to
# install things.
#
# Example:
#	java-pkg_regjar ${D}/opt/foo/lib/foo.jar
#
# WARNING:
#   if you want to use shell expansion, you have to use ${D}/... as the for in
#   this function will not be able to expand the path, here's an example:
#
#   java-pkg_regjar /opt/my-java/lib/*.jar
#
#   will not work, because:
#    * the `for jar in "$@"` can't expand the path to jar file names, as they
#      don't exist yet
#    * all `if ...` inside for will fail - the file '/opt/my-java/lib/*.jar'
#      doesn't exist
#
#   you have to use it as:
#
#   java-pkg_regjar ${D}/opt/my-java/lib/*.jar
#
# @param $@ - jars to record
# ------------------------------------------------------------------------------
# TODO should we be making sure the jar is present on ${D} or wherever?
java-pkg_regjar() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install

	[[ ${#} -lt 1 ]] && die "at least one argument needed"

	java-pkg_init_paths_

	local jar jar_dir jar_file
	for jar in "${@}"; do
		# TODO use java-pkg_check-versioned-jar
		if [[ -e "${jar}" || -e "${D}${jar}" ]]; then
			[[ -d "${jar}" || -d "${D}${jar}" ]] \
				&& die "Called ${FUNCNAME} on a	directory $*"

			#check that class version correct when in strict mode
			is-java-strict && java-pkg_verify-classes "${jar}"

			# nelchael: we should strip ${D} in this case too, here's why:
			# imagine such call:
			#    java-pkg_regjar ${D}/opt/java/*.jar
			# such call will fall into this case (-e ${jar}) and will
			# record paths with ${D} in package.env
			java-pkg_append_ JAVA_PKG_CLASSPATH	"${jar#${D}}"
		else
			if [[ ${jar} = *\** ]]; then
				eerror "The argument ${jar} to ${FUNCNAME}"
				eerror "has * in it. If you want it to glob in"
				eerror '${D} add ${D} to the argument.'
			fi
			die "${jar} does not exist"
		fi
	done

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_newjar
#
# Installs a jar with a new name
#
# @example: install a versioned jar without the version
#	java-pkg_newjar dist/${P}.jar ${PN}.jar
#
# @param $1 - jar to install
# @param $2 - new name for jar - defaults to ${PN}.jar if not specified
# ------------------------------------------------------------------------------
java-pkg_newjar() {
	debug-print-function ${FUNCNAME} $*

	local original_jar="${1}"
	local new_jar="${2:-${PN}.jar}"
	local new_jar_dest="${T}/${new_jar}"

	[[ -z ${original_jar} ]] && die "Must specify a jar to install"
	[[ ! -f ${original_jar} ]] \
		&& die "${original_jar} does not exist or is not a file!"

	rm -f "${new_jar_dest}" || die "Failed to remove ${new_jar_dest}"
	cp "${original_jar}" "${new_jar_dest}" \
		|| die "Failed to copy ${original_jar} to ${new_jar_dest}"
	java-pkg_dojar "${new_jar_dest}"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_addcp
#
# Add something to the package's classpath. For jars, you should use dojar,
# newjar, or regjar. This is typically used to add directories to the classpath.
#
# TODO add example
# @param $@ - value to append to JAVA_PKG_CLASSPATH
# ------------------------------------------------------------------------------
java-pkg_addcp() {
	java-pkg_append_ JAVA_PKG_CLASSPATH "${@}"
	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_doso
#
# Installs any number of JNI libraries
# They will be installed into /usr/lib by default, but java-pkg_sointo
# can be used change this path
#
# Example:
#	java-pkg_doso *.so
#
# @param $@ - JNI libraries to install
# ------------------------------------------------------------------------------
java-pkg_doso() {
	debug-print-function ${FUNCNAME} $*

	[[ ${#} -lt 1 ]] &&  "At least one argument required for ${FUNCNAME}"
	java-pkg_check-phase install

	[[ ${#} -lt 1 ]] &&  die "At least one argument required for ${FUNCNAME}"

	java-pkg_init_paths_

	local lib
	# for each lib
	for lib in "$@" ; do
		# if the lib exists...
		if [[ -e "${lib}" ]] ; then
			# install if it isn't a symlink
			if [[ ! -L "${lib}" ]] ; then
				INSDESTTREE="${JAVA_PKG_LIBDEST}" \
					INSOPTIONS="${LIBOPTIONS}" \
					doins "${lib}" || "failed to install ${lib}"
				java-pkg_append_ JAVA_PKG_LIBRARY "${JAVA_PKG_LIBDEST}"
				debug-print "Installing ${lib} to ${JAVA_PKG_LIBDEST}"
			# otherwise make a symlink to the symlink's origin
			else
				# TODO use dosym
				ln -s "$(readlink "${lib}")" \
					"${D}${JAVA_PKG_LIBDEST}/$(basename "${lib}")"
				debug-print "${lib} is a symlink, linking accordanly"
			fi
		# otherwise die
		else
			die "${lib} does not exist"
		fi
	done

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_regso
#
# Registers an already JNI library in package.env.
#
# Example:
#	java-pkg_regso *.so /path/*.so
#
# @param $@ - JNI libraries to register
# ------------------------------------------------------------------------------
java-pkg_regso() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install

	[[ ${#} -lt 1 ]] &&  "at least one argument needed"

	java-pkg_init_paths_

	local lib target_dir
	for lib in "$@" ; do
		# Check the absolute path of the lib
		if [[ -e "${lib}" ]] ; then
			target_dir="$(java-pkg_expand_dir_ ${lib})"
			java-pkg_append_ JAVA_PKG_LIBRARY "/${target_dir#${D}}"
		# Check the path of the lib relative to ${D}
		elif [[ -e "${D}${lib}" ]]; then
			target_dir="$(java-pkg_expand_dir_ ${D}${lib})"
			java-pkg_append_ JAVA_PKG_LIBRARY "${target_dir}"
		else
			die "${lib} does not exist"
		fi
	done

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_jarinto
#
# Changes the path jars are installed into
#
# @param $1 - new location to install jars into.
# -----------------------------------------------------------------------------
java-pkg_jarinto() {
	debug-print-function ${FUNCNAME} $*

	JAVA_PKG_JARDEST="${1}"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_sointo
#
# Changes the path that JNI libraries are installed into.
#
# @param $1 - new location to install JNI libraries into.
# ------------------------------------------------------------------------------
java-pkg_sointo() {
	debug-print-function ${FUNCNAME} $*

	JAVA_PKG_LIBDEST="${1}"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_dohtml
#
# Install Javadoc HTML documentation
#
# @example
#	java-pkg_dohtml dist/docs/
#
# ------------------------------------------------------------------------------
java-pkg_dohtml() {
	debug-print-function ${FUNCNAME} $*

	[[ ${#} -lt 1 ]] &&  die "At least one argument required for ${FUNCNAME}"

	# from /usr/lib/portage/bin/dohtml -h
	#  -f   Set list of allowed extensionless file names.
	dohtml -f package-list "$@"

	# this probably shouldn't be here but it provides
	# a reasonable way to catch # docs for all of the
	# old ebuilds.
	java-pkg_recordjavadoc
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_dojavadoc
#
# Installs javadoc documentation. This should be controlled by the doc use flag.
#
# @param $1: optional --symlink creates to symlink like this for html
#            documentation bundles.
# @param $2: - The javadoc root directory.
#
# @example:
#	java-pkg_dojavadoc docs/api
#   java-pkg_dojavadoc --symlink apidocs docs/api
#
# ------------------------------------------------------------------------------
java-pkg_dojavadoc() {
	debug-print-function ${FUNCNAME} $*

	# For html documentation bundles that link to Javadoc
	local symlink
	if [[ ${1} = --symlink ]]; then
		symlink=${2}
		shift 2
	fi

	local dir="$1"
	local dest=/usr/share/doc/${PF}/html

	# QA checks

	java-pkg_check-phase install

	[[ -z "${dir}" ]] && die "Must specify a directory!"
	[[ ! -d "${dir}" ]] && die "${dir} does not exist, or isn't a directory!"
	if [[ ! -e "${dir}/index.html" ]]; then
		local msg="No index.html in javadoc directory"
		ewarn "${msg}"
		is-java-strict && die "${msg}"
	fi

	if [[ -e ${D}/${dest}/api ]]; then
		eerror "${dest} already exists. Will not overwrite."
		die "${dest}"
	fi

	# Renaming to match our directory layout

	local dir_to_install="${dir}"
	if [[ "$(basename "${dir}")" != "api" ]]; then
		dir_to_install="${T}/api"
		# TODO use doins
		cp -r "${dir}" "${dir_to_install}" || die "cp failed"
	fi

	# Actual installation

	java-pkg_dohtml -r "${dir_to_install}"

	# Let's make a symlink to the directory we have everything else under
	dosym ${dest}/api "${JAVA_PKG_SHAREPATH}/api" || die

	if [[ ${symlink} ]]; then
		dosym ${dest}/{api,${symlink}} || die
	fi
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_dosrc
#
# Installs a zip containing the source for a package, so it can used in
# from IDEs like eclipse and netbeans.
#
# Ebuild needs to DEPEND on app-arch/zip to use this.
#
# It also should be controlled by USE=source.
#
# @example:
#	java-pkg_dosrc src/*
#
# ------------------------------------------------------------------------------
# TODO change so it the arguments it takes are the base directories containing
# 	source -nichoj
# TODO should we be able to handle multiple calls to dosrc? -nichoj
# TODO maybe we can take an existing zip/jar? -nichoj
# FIXME apparently this fails if you give it an empty directories
java-pkg_dosrc() {
	debug-print-function ${FUNCNAME} $*

	[ ${#} -lt 1 ] && die "At least one argument needed"

	java-pkg_check-phase install

	[[ ${#} -lt 1 ]] && die "At least one argument needed"

	if ! [[ ${DEPEND} = *app-arch/zip* ]]; then
		local msg="${FUNCNAME} called without app-arch/zip in DEPEND"
		java-pkg_announce-qa-violation ${msg}
	fi

	java-pkg_init_paths_

	local zip_name="${PN}-src.zip"
	local zip_path="${T}/${zip_name}"
	local dir
	for dir in "${@}"; do
		local dir_parent=$(dirname "${dir}")
		local dir_name=$(basename "${dir}")
		pushd ${dir_parent} > /dev/null || die "problem entering ${dir_parent}"
		zip -q -r ${zip_path} ${dir_name} -i '*.java'
		local result=$?
		# 12 means zip has nothing to do
		if [[ ${result} != 12 && ${result} != 0 ]]; then
			die "failed to zip ${dir_name}"
		fi
		popd >/dev/null
	done

	# Install the zip
	INSDESTTREE=${JAVA_PKG_SOURCESPATH} \
		doins ${zip_path} || die "Failed to install source"

	JAVA_SOURCES="${JAVA_PKG_SOURCESPATH}/${zip_name}"
	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_dolauncher
#
# Make a wrapper script to lauch/start this package
# If necessary, the wrapper will switch to the appropriate VM.
#
# Can be called without parameters if the package installs only one jar
# that has the Main-class attribute set. The wrapper will be named ${PN}.
#
# @param $1 - filename of launcher to create
# @param $2 - options, as follows:
#  --main the.main.class.too.start
#  --jar /the/jar/too/launch.jar or just <name>.jar
#  --java_args 'Extra arguments to pass to java'
#  --pkg_args 'Extra arguments to pass to the package'
#  --pwd Directory the launcher changes to before executing java
#  -into Directory to install the launcher to, instead of /usr/bin
#  -pre Prepend contents of this file to the launcher
# ------------------------------------------------------------------------------
java-pkg_dolauncher() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install
	java-pkg_init_paths_

	if [[ ${#} = 0 ]]; then
		local name="${PN}"
	else
		local name="${1}"
		shift
	fi

	# TODO rename to launcher
	local target="${T}/${name}"
	local var_tmp="${T}/launcher_variables_tmp"
	local target_dir pre

	# Process the other the rest of the arguments
	while [[ -n "${1}" && -n "${2}" ]]; do
		local var="${1}" value="${2}"
		if [[ "${var:0:2}" == "--" ]]; then
			local var=${var:2}
			echo "gjl_${var}=\"${value}\"" >> "${var_tmp}"
			local gjl_${var}="${value}"
		elif [[ "${var}" == "-into" ]]; then
			target_dir="${value}"
		elif [[ "${var}" == "-pre" ]]; then
			pre="${value}"
		fi
		shift 2
	done

	# Test if no --jar and --main arguments were given and
	# in that case check if the package only installs one jar
	# and use that jar.
	if [[ -z "${gjl_jar}" && -z "${gjl_main}" ]]; then
		local cp="${JAVA_PKG_CLASSPATH}"
		if [[ "${cp/:}" = "${cp}" && "${cp%.jar}" != "${cp}" ]]; then
			echo "gjl_jar=\"${JAVA_PKG_CLASSPATH}\"" >> "${var_tmp}"
		else
			local msg="Not enough information to create a launcher given."
			msg="${msg} Please give --jar or --main argument to ${FUNCNAME}."
			die "${msg}"
		fi
	fi

	# Write the actual script
	echo "#!/bin/bash" > "${target}"
	if [[ -n "${pre}" ]]; then
		if [[ -f "${pre}" ]]; then
			cat "${pre}" >> "${target}"
		else
			die "-pre specified file '${pre}' does not exist"
		fi
	fi
	echo "gjl_package=${JAVA_PKG_NAME}" >> "${target}"
	cat "${var_tmp}" >> "${target}"
	rm -f "${var_tmp}"
	echo "source /usr/share/java-config-2/launcher/launcher.bash" >> "${target}"

	if [[ -n "${target_dir}" ]]; then
		DESTTREE="${target_dir}" dobin "${target}"
		local ret=$?
		return ${ret}
	else
		dobin "${target}"
	fi
}

# ------------------------------------------------------------------------------
# Install war files.
# TODO document
# ------------------------------------------------------------------------------
java-pkg_dowar() {
	debug-print-function ${FUNCNAME} $*

	# Check for arguments
	[[ ${#} -lt 1 ]] && die "At least one argument needed"
	java-pkg_check-phase install

	java-pkg_init_paths_

	local war
	for war in $* ; do
		local warpath
		# TODO evaluate if we want to handle symlinks differently -nichoj
		# Check for symlink
		if [[ -L "${war}" ]] ; then
			cp "${war}" "${T}"
			warpath="${T}$(basename "${war}")"
		# Check for directory
		# TODO evaluate if we want to handle directories differently -nichoj
		elif [[ -d "${war}" ]] ; then
			echo "dowar: warning, skipping directory ${war}"
			continue
		else
			warpath="${war}"
		fi

		# Install those files like you mean it
		INSOPTIONS="-m 0644" \
			INSDESTTREE=${JAVA_PKG_WARDEST} \
			doins ${warpath}
	done
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_recordjavadoc
# Scan for JavaDocs, and record their existence in the package.env file
#
# TODO make sure this in the proper section
# ------------------------------------------------------------------------------
java-pkg_recordjavadoc()
{
	debug-print-function ${FUNCNAME} $*
	# the find statement is important
	# as some packages include multiple trees of javadoc
	JAVADOC_PATH="$(find ${D}/usr/share/doc/ -name allclasses-frame.html -printf '%h:')"
	# remove $D - TODO: check this is ok with all cases of the above
	JAVADOC_PATH="${JAVADOC_PATH//${D}}"
	if [[ -n "${JAVADOC_PATH}" ]] ; then
		debug-print "javadocs found in ${JAVADOC_PATH%:}"
		java-pkg_do_write_
	else
		debug-print "No javadocs found"
	fi
}

# ------------------------------------------------------------------------------
# @section-end install
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @begin-section query
# Use these to build the classpath for building a package.
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_jar-from
#
# Makes a symlink to a jar from a certain package
# A lot of java packages include dependencies in a lib/ directory
# You can use this function to replace these bundled dependencies.
# The dependency is recorded into package.env DEPEND line, unless "--build-only"
# is passed as the very first argument, for jars that have to be present only
# at build time and are not needed on runtime (junit testing etc).
#
# Example: get all jars from xerces slot 2
#	java-pkg_jar-from xerces-2
# Example: get a specific jar from xerces slot 2
# 	java-pkg_jar-from xerces-2 xml-apis.jar
# Example: get a specific jar from xerces slot 2, and name it diffrently
# 	java-pkg_jar-from xerces-2 xml-apis.jar xml.jar
# Example: get junit.jar which is needed only for building
#	java-pkg_jar-from --build-only junit junit.jar
#
# @param $opt
#	--build-only - makes the jar(s) not added into package.env DEPEND line.
#	  (assumed automatically when called inside src_test)
#	--with-dependencies - get jars also from requested package's dependencies
#	  transitively.
#	--virtual - Packages passed to this function are to be handled as virtuals
#	  and will not have individual jar dependencies recorded.
#	--into $dir - symlink jar(s) into $dir (must exist) instead of .
# @param $1 - Package to get jars from, or comma-separated list of packages in
#	case other parameters are not used.
# @param $2 - jar from package. If not specified, all jars will be used.
# @param $3 - When a single jar is specified, destination filename of the
#	symlink. Defaults to the name of the jar.
# ------------------------------------------------------------------------------
# TODO could probably be cleaned up a little
java-pkg_jar-from() {
	debug-print-function ${FUNCNAME} $*

	local build_only=""
	local destdir="."
	local deep=""
	local virtual=""

	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"

	while [[ "${1}" == --* ]]; do
		if [[ "${1}" = "--build-only" ]]; then
			build_only="build"
		elif [[ "${1}" = "--with-dependencies" ]]; then
			deep="--with-dependencies"
		elif [[ "${1}" = "--virtual" ]]; then
			virtual="true"
		elif [[ "${1}" = "--into" ]]; then
			destdir="${2}"
			shift
		else
			die "java-pkg_jar-from called with unknown parameter: ${1}"
		fi
		shift
	done

	local target_pkg="${1}" target_jar="${2}" destjar="${3}"

	[[ -z ${target_pkg} ]] && die "Must specify a package"

	if [[ "${EAPI}" == "1" ]]; then
		target_pkg="${target_pkg//:/-}"
	fi

	# default destjar to the target jar
	[[ -z "${destjar}" ]] && destjar="${target_jar}"

	local error_msg="There was a problem getting the classpath for ${target_pkg}."
	local classpath
	classpath="$(java-config ${deep} --classpath=${target_pkg})"
	[[ $? != 0 ]] && die ${error_msg}

	# When we have commas this functions is called to bring jars from multiple
	# packages. This affects recording of dependencencies performed later
	# which expects one package only, so we do it here.
	if [[ ${target_pkg} = *,* ]]; then
		for pkg in ${target_pkg//,/ }; do
			java-pkg_ensure-dep "${build_only}" "${pkg}"
			[[ -z "${build_only}" ]] && java-pkg_record-jar_ "${pkg}"
		done
		# setting this disables further record-jar_ calls later
		build_only="build"
	else
		java-pkg_ensure-dep "${build_only}" "${target_pkg}"
	fi

	# Record the entire virtual as a dependency so that
	# no jars are missed.
	if [[ -z "${build_only}" && -n "${virtual}" ]]; then
		java-pkg_record-jar_ "${target_pkg}"
		# setting this disables further record-jars_ calls later
		build_only="build"
	fi

	pushd ${destdir} > /dev/null \
		|| die "failed to change directory to ${destdir}"

	local jar
	for jar in ${classpath//:/ }; do
		local jar_name=$(basename "${jar}")
		if [[ ! -f "${jar}" ]] ; then
			debug-print "${jar} from ${target_pkg} does not exist"
			die "Installation problems with jars in ${target_pkg} - is it installed?"
		fi
		# If no specific target jar was indicated, link it
		if [[ -z "${target_jar}" ]] ; then
			[[ -f "${target_jar}" ]]  && rm "${target_jar}"
			ln -snf "${jar}" \
				|| die "Failed to make symlink from ${jar} to ${jar_name}"
			[[ -z "${build_only}" ]] && java-pkg_record-jar_ "${target_pkg}" "${jar}"
		# otherwise, if the current jar is the target jar, link it
		elif [[ "${jar_name}" == "${target_jar}" ]] ; then
			[[ -f "${destjar}" ]]  && rm "${destjar}"
			ln -snf "${jar}" "${destjar}" \
				|| die "Failed to make symlink from ${jar} to ${destjar}"
			[[ -z "${build_only}" ]] && java-pkg_record-jar_ "${target_pkg}" "${jar}"
			popd > /dev/null
			return 0
		fi
	done
	popd > /dev/null
	# if no target was specified, we're ok
	if [[ -z "${target_jar}" ]] ; then
		return 0
	# otherwise, die bitterly
	else
		die "Failed to find ${target_jar:-jar} in ${target_pkg}"
	fi
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_jarfrom
#
# See java-pkg_jar-from
# ------------------------------------------------------------------------------
java-pkg_jarfrom() {
	java-pkg_jar-from "$@"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_getjars
#
# Get the classpath provided by any number of packages
# Among other things, this can be passed to 'javac -classpath' or 'ant -lib'.
# The providing packages are recorded as dependencies into package.env DEPEND
# line, unless "--build-only" is passed as the very first argument, for jars
# that have to be present only at build time and are not needed on runtime
# (junit testing etc).
#
# Example: Get the classpath for xerces-2 and xalan,
#	java-pkg_getjars xerces-2,xalan
# Example Return:
#	/usr/share/xerces-2/lib/xml-apis.jar:/usr/share/xerces-2/lib/xmlParserAPIs.jar:/usr/share/xalan/lib/xalan.jar
#
# @param $opt
#	--build-only - makes the jar(s) not added into package.env DEPEND line.
#	  (assumed automatically when called inside src_test)
#	--with-dependencies - get jars also from requested package's dependencies
#	  transitively.
# @param $1 - list of packages to get jars from
#   (passed to java-config --classpath)
# ------------------------------------------------------------------------------
java-pkg_getjars() {
	debug-print-function ${FUNCNAME} $*

	local build_only=""
	local deep=""

	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"

	while [[ "${1}" == --* ]]; do
		if [[ "${1}" = "--build-only" ]]; then
			build_only="build"
		elif [[ "${1}" = "--with-dependencies" ]]; then
			deep="--with-dependencies"
		else
			die "java-pkg_jar-from called with unknown parameter: ${1}"
		fi
		shift
	done

	[[ ${#} -ne 1 ]] && die "${FUNCNAME} takes only one argument besides --*"


	local classpath pkgs="${1}"

	if [[ "${EAPI}" == "1" ]]; then
		pkgs="${pkgs//:/-}"
	fi

	jars="$(java-config ${deep} --classpath=${pkgs})"
	[[ $? != 0 || -z "${jars}" ]] && die "java-config --classpath=${pkgs} failed"
	debug-print "${pkgs}:${jars}"

	for pkg in ${pkgs//,/ }; do
		java-pkg_ensure-dep "${build_only}" "${pkg}"
	done

	if [[ -z "${classpath}" ]]; then
		classpath="${jars}"
	else
		classpath="${classpath}:${jars}"
	fi

	# Only record jars that aren't build-only
	if [[ -z "${build_only}" ]]; then
		for pkg in ${pkgs//,/ }; do
			java-pkg_record-jar_ "${pkg}"
		done
	fi

	echo "${classpath}"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_getjar
#
# Get the filename of a single jar from a package
# The providing package is recorded as runtime dependency into package.env
# DEPEND line, unless "--build-only" is passed as the very first argument, for
# jars that have to be present only at build time and are not needed on runtime
# (junit testing etc).
#
# @example
#	java-pkg_getjar xerces-2 xml-apis.jar
# @example-return
#	/usr/share/xerces-2/lib/xml-apis.jar
#
# @param $opt
#	--build-only - makes the jar not added into package.env DEPEND line.
#	--virtual - Packages passed to this function are to be handled as virtuals
#	  and will not have individual jar dependencies recorded.
# @param $1 - package to use
# @param $2 - jar to get
# ------------------------------------------------------------------------------
java-pkg_getjar() {
	debug-print-function ${FUNCNAME} $*

	local build_only=""
	local virtual=""

	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"

	while [[ "${1}" == --* ]]; do
		if [[ "${1}" = "--build-only" ]]; then
			build_only="build"
		elif [[ "${1}" == "--virtual" ]]; then
			virtual="true"
		else
			die "java-pkg_getjar called with unknown parameter: ${1}"
		fi
		shift
	done

	[[ ${#} -ne 2 ]] && die "${FUNCNAME} takes only two arguments besides --*"

	local pkg="${1}" target_jar="${2}" jar

	if [[ "${EAPI}" == "1" ]]; then
		pkg="${pkg//:/-}"
	fi

	[[ -z ${pkg} ]] && die "Must specify package to get a jar from"
	[[ -z ${target_jar} ]] && die "Must specify jar to get"

	local error_msg="Could not find classpath for ${pkg}. Are you sure its installed?"
	local classpath
	classpath=$(java-config --classpath=${pkg})
	[[ $? != 0 ]] && die ${error_msg}

	java-pkg_ensure-dep "${build_only}" "${pkg}"

	# Record the package(Virtual) as a dependency and then set build_only
	# So that individual jars are not recorded.
	if [[ -n "${virtual}" ]]; then
		java-pkg_record-jar_ "${pkg}"
		build_only="true"
	fi

	for jar in ${classpath//:/ }; do
		if [[ ! -f "${jar}" ]] ; then
			die "Installation problem with jar ${jar} in ${pkg} - is it installed?"
		fi

		if [[ "$(basename ${jar})" == "${target_jar}" ]] ; then
			# Only record jars that aren't build-only
			[[ -z "${build_only}" ]] && java-pkg_record-jar_ "${pkg}" "${jar}"
			echo "${jar}"
			return 0
		fi
	done

	die "Could not find ${target_jar} in ${pkg}"
	return 1
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_register-dependency
#
# Registers runtime dependency on a package, list of packages, or a single jar
# from a package, into package.env DEPEND line. Can only be called in
# src_install phase.
# Intended for binary packages where you don't need to symlink the jars or get
# their classpath during build. As such, the dependencies only need to be
# specified in ebuild's RDEPEND, and should be omitted in DEPEND.
#
# @param $1 - comma-separated list of packages, or a single package
# @param $2 - if param $1 is a single package, optionally specify the jar
#   to depend on
#
# Example: Record the dependency on whole xerces-2 and xalan,
#	java-pkg_register-dependency xerces-2,xalan
# Example: Record the dependency on ant.jar from ant-core
#	java-pkg_register-dependency ant-core ant.jar
#
# Note: Passing both list of packages as the first parameter AND specifying the
# jar as the second is not allowed and will cause the function to die. We assume
# that there's more chance one passes such combination as a mistake, than that
# there are more packages providing identically named jar without class
# collisions.
# ------------------------------------------------------------------------------
java-pkg_register-dependency() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install

	[[ ${#} -gt 2 ]] && die "${FUNCNAME} takes at most two arguments"

	local pkgs="${1}"
	local jar="${2}"

	[[ -z "${pkgs}" ]] && die "${FUNCNAME} called with no package(s) specified"

	if [[ "${EAPI}" == "1" ]]; then
		pkgs="${pkgs//:/-}"
	fi

	if [[ -z "${jar}" ]]; then
		for pkg in ${pkgs//,/ }; do
			java-pkg_ensure-dep runtime "${pkg}"
			java-pkg_record-jar_ "${pkg}"
		done
	else
		[[ ${pkgs} == *,* ]] && \
			die "${FUNCNAME} called with both package list and jar name"
		java-pkg_ensure-dep runtime "${pkgs}"
		java-pkg_record-jar_ "${pkgs}" "${jar}"
	fi

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_register-optional-dependency
#
# Registers optional runtime dependency on a package, list of packages, or a
# single jar from a package, into package.env OPTIONAL_DEPEND line. Can only be
# called in src_install phase.
# Intended for packages that can use other packages when those are in classpath.
# Will be put on classpath by launcher if they are installed. Typical case is
# JDBC implementations for various databases. It's better than having USE flag
# for each implementation triggering hard dependency.
#
# @param $1 - comma-separated list of packages, or a single package
# @param $2 - if param $1 is a single package, optionally specify the jar
#   to depend on
#
# Example: Record the optional dependency on some jdbc providers
#	java-pkg_register-optional-dependency jdbc-jaybird,jtds-1.2,jdbc-mysql
#
# Note: Passing both list of packages as the first parameter AND specifying the
# jar as the second is not allowed and will cause the function to die. We assume
# that there's more chance one passes such combination as a mistake, than that
# there are more packages providing identically named jar without class
# collisions.
# ------------------------------------------------------------------------------
java-pkg_register-optional-dependency() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install

	[[ ${#} -gt 2 ]] && die "${FUNCNAME} takes at most two arguments"

	local pkgs="${1}"
	local jar="${2}"

	[[ -z "${pkgs}" ]] && die "${FUNCNAME} called with no package(s) specified"

	if [[ "${EAPI}" == "1" ]]; then
		pkgs="${pkgs//:/-}"
	fi

	if [[ -z "${jar}" ]]; then
		for pkg in ${pkgs//,/ }; do
			java-pkg_record-jar_ --optional "${pkg}"
		done
	else
		[[ ${pkgs} == *,* ]] && \
			die "${FUNCNAME} called with both package list and jar name"
		java-pkg_record-jar_ --optional "${pkgs}" "${jar}"
	fi

	java-pkg_do_write_
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_register-environment-variable
#
# Register an arbitrary environment variable into package.env. The gjl launcher
# for this package or any package depending on this will export it into
# environement before executing java command.
# Must only be called in src_install phase.
#
# @param $1 - variable name
# @param $2 - variable value
# ------------------------------------------------------------------------------
JAVA_PKG_EXTRA_ENV="${T}/java-pkg-extra-env"
JAVA_PKG_EXTRA_ENV_VARS=""
java-pkg_register-environment-variable() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_check-phase install

	[[ ${#} != 2 ]] && die "${FUNCNAME} takes two arguments"

	echo "${1}=\"${2}\"" >> ${JAVA_PKG_EXTRA_ENV}
	JAVA_PKG_EXTRA_ENV_VARS="${JAVA_PKG_EXTRA_ENV_VARS} ${1}"

	java-pkg_do_write_
}

# This function reads stdin, and based on that input, figures out how to
# populate jars from the filesystem.
# Need to figure out a good way of making use of this, ie be able to use a
# string that was built instead of stdin
# NOTE: this isn't quite ready for primetime.
#java-pkg_populate-jars() {
#	local line
#
#	read line
#	while [[ -n "${line}" ]]; do
#		# Ignore comments
#		[[ ${line%%#*} == "" ]] && continue
#
#		# get rid of any spaces
#		line="${line// /}"
#
#		# format: path=jarinfo
#		local path=${line%%=*}
#		local jarinfo=${line##*=}
#
#		# format: jar@package
#		local jar=${jarinfo%%@*}.jar
#		local package=${jarinfo##*@}
#		if [[ -n ${replace_only} ]]; then
#			[[ ! -f $path ]] && die "No jar exists at ${path}"
#		fi
#		if [[ -n ${create_parent} ]]; then
#			local parent=$(dirname ${path})
#			mkdir -p "${parent}"
#		fi
#		java-pkg_jar-from "${package}" "${jar}" "${path}"
#
#		read line
#	done
#}

# ------------------------------------------------------------------------------
# @section-end query
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @section-begin helper
# @section-summary Helper functions
#
# Various other functions to use from an ebuild
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_need
#
# Adds virtual dependencies, which can optionally be controlled by a USE flag.
# Currently supported virtuals are:
#	javamail
#	jdbc-stdext
#	jaf
#	jdbc-rowset
#	jms
#
# @param $1 - Optionally indicate that the dependencies are controlled by
#				a use flag by specifying '--use' Requires $2.
# @param $2 - USE flag which will enable the dependencies.
# @param $@ - virtual packages to add depenedencies for
# ------------------------------------------------------------------------------
# TODO rewrite to parse a line based declaration file instead -- karltk
#java-pkg_need() {
#	debug-print-function ${FUNCNAME} $*
#	local useflag
#	if [[ ${1} == "--use" ]]; then
#		useflag="${2}"
#		shift 2
#	fi
#
#	if [[ -z ${1} ]]; then
#		die "Must specify at least one virtual package."
#	fi
#
#	local depstr newdepstr
#
#	for virtual in ${@}; do
#		if has ${virtual} ${JAVA_PKG_VNEED}; then
#			debug-print "Already registered virtual ${virtual}"
#			continue
#		fi
#		case ${virtual} in
#			javamail)
#				debug-print "java-pkg_need: adding javamail dependencies"
#				newdepstr="|| ( dev-java/gnu-javamail dev-java/sun-javamail-bin )"
#				;;
#			jdbc-stdext)
#				debug-print "java-pkg_need: adding jdbc-stdext dependencies"
#				newdepstr="|| ( >=virtual/jdk-1.4 dev-java/jdbc2-stdext )"
#				;;
#			jaf)
#				debug-print "java-pkg_need: adding jaf dependencies"
#				newdepstr="|| ( dev-java/gnu-jaf dev-java/sun-jaf-bin )"
#				;;
#			jdbc-rowset)
#				debug-print "java-pkg_need: adding jdbc-rowset dependencies"
#			 	newdepstr="|| ( >=virtual/jdk-1.5 dev-java/sun-jdbc-rowset )"
#				;;
#			jms)
#				debug-print "java-pkg_need: adding jms dependencies"
#				newdepstr="|| ( dev-java/sun-jms dev-java/openjms )"
#				;;
#			*)
#				die "Invalid virtual: ${virtual}"
#		esac
#
#		export JAVA_PKG_VNEED="${JAVA_PKG_VNEED} ${virtual}"
#
#		if [[ -n ${useflag} ]]; then
#			depstr="${depstr} ${useflag}? ( ${newdepstr} )"
#		else
#			depstr="${depstr} ${newdepstr}"
#		fi
#	done
#
#	[[ -z ${JAVA_PKG_NV_DEPEND} ]] && export JAVA_PKG_NV_DEPEND="${DEPEND}"
#	[[ -z ${JAVA_PKG_NV_RDEPEND} ]] && export JAVA_PKG_NV_RDEPEND="${RDEPEND}"
#
#	export DEPEND="${DEPEND} ${depstr}"
#	export RDEPEND="${RDEPEND} ${depstr}"
#}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_find-normal-jars
#
# Find the files with suffix .jar file in the given directory or $WORKDIR
#
# @param $1 - The directory to search for jar files (default: ${WORKDIR})
# ------------------------------------------------------------------------------
java-pkg_find-normal-jars() {
	local dir=$1
	[[ "${dir}" ]] || dir="${WORKDIR}"
	local found
	for jar in $(find "${dir}" -name "*.jar" -type f); do
		echo "${jar}"
		found="true"
	done
	[[ "${found}" ]]
	return $?
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_ensure-no-bundled-jars
#
# Try to locate bundled jar files in ${WORKDIR} and die if found.
# This function should be called after WORKDIR has been populated with symlink
# to system jar files or bundled jars removed.
# ------------------------------------------------------------------------------
java-pkg_ensure-no-bundled-jars() {
	debug-print-function ${FUNCNAME} $*

	local bundled_jars=$(java-pkg_find-normal-jars)
	if [[ -n ${bundled_jars} ]]; then
		echo "Bundled jars found:"
		local jar
		for jar in ${bundled_jars}; do
			echo $(pwd)${jar/./}
		done
		die "Bundled jars found!"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_ensure-vm-version-sufficient
#
# Checks if we have a sufficient VM and dies if we don't.
#
# ------------------------------------------------------------------------------
java-pkg_ensure-vm-version-sufficient() {
	debug-print-function ${FUNCNAME} $*

	if ! java-pkg_is-vm-version-sufficient; then
		debug-print "VM is not suffient"
		eerror "Current Java VM cannot build this package"
		einfo "Please use java-config -S to set the correct one"
		die "Active Java VM cannot build this package"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_is-vm-version-sufficient
#
# @return zero - VM is sufficient
# @return non-zero - VM is not sufficient
# ------------------------------------------------------------------------------
java-pkg_is-vm-version-sufficient() {
	debug-print-function ${FUNCNAME} $*

	depend-java-query --is-sufficient "${DEPEND}" > /dev/null
	return $?
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_ensure-vm-version-eq
#
# Die if the current VM is not equal to the argument passed.
#
# @param $@ - Desired VM version to ensure
# ------------------------------------------------------------------------------
java-pkg_ensure-vm-version-eq() {
	debug-print-function ${FUNCNAME} $*

	if ! java-pkg_is-vm-version-eq $@ ; then
		debug-print "VM is not suffient"
		eerror "This package requires a Java VM version = $@"
		einfo "Please use java-config -S to set the correct one"
		die "Active Java VM too old"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_is-vm-version-eq
#
# @param $@ - VM version to compare current VM to
# @return zero - VM versions are equal
# @return non-zero - VM version are not equal
# ------------------------------------------------------------------------------
java-pkg_is-vm-version-eq() {
	debug-print-function ${FUNCNAME} $*

	local needed_version="$@"

	[[ -z "${needed_version}" ]] && die "need an argument"

	local vm_version="$(java-pkg_get-vm-version)"

	vm_version="$(get_version_component_range 1-2 "${vm_version}")"
	needed_version="$(get_version_component_range 1-2 "${needed_version}")"

	if [[ -z "${vm_version}" ]]; then
		debug-print "Could not get JDK version from DEPEND"
		return 1
	else
		if [[ "${vm_version}" == "${needed_version}" ]]; then
			debug-print "Detected a JDK(${vm_version}) = ${needed_version}"
			return 0
		else
			debug-print "Detected a JDK(${vm_version}) != ${needed_version}"
			return 1
		fi
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_ensure-vm-version-ge
#
# Die if the current VM is not greater than the desired version
#
# @param $@ - VM version to compare current to
# ------------------------------------------------------------------------------
java-pkg_ensure-vm-version-ge() {
	debug-print-function ${FUNCNAME} $*

	if ! java-pkg_is-vm-version-ge "$@" ; then
		debug-print "vm is not suffient"
		eerror "This package requires a Java VM version >= $@"
		einfo "Please use java-config -S to set the correct one"
		die "Active Java VM too old"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_is-vm-version-ge
#
# @param $@ - VM version to compare current VM to
# @return zero - current VM version is greater than checked version
# @return non-zero - current VM version is not greater than checked version
# ------------------------------------------------------------------------------
java-pkg_is-vm-version-ge() {
	debug-print-function ${FUNCNAME} $*

	local needed_version=$@
	local vm_version=$(java-pkg_get-vm-version)
	if [[ -z "${vm_version}" ]]; then
		debug-print "Could not get JDK version from DEPEND"
		return 1
	else
		if version_is_at_least "${needed_version}" "${vm_version}"; then
			debug-print "Detected a JDK(${vm_version}) >= ${needed_version}"
			return 0
		else
			debug-print "Detected a JDK(${vm_version}) < ${needed_version}"
			return 1
		fi
	fi
}

java-pkg_set-current-vm() {
	export GENTOO_VM=${1}
}

java-pkg_get-current-vm() {
	echo ${GENTOO_VM}
}

java-pkg_current-vm-matches() {
	hasq $(java-pkg_get-current-vm) ${@}
	return $?
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_get-source
#
# Determines what source version should be used, for passing to -source.
# Unless you want to break things you probably shouldn't set _WANT_SOURCE
#
# @return string - Either the lowest possible source, or JAVA_PKG_WANT_SOURCE
# ------------------------------------------------------------------------------
java-pkg_get-source() {
	echo ${JAVA_PKG_WANT_SOURCE:-$(depend-java-query --get-lowest "${DEPEND} ${RDEPEND}")}
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_get-target
#
# Determines what target version should be used, for passing to -target.
# If you don't care about lower versions, you can set _WANT_TARGET to the
# version of your JDK.
#
# @return string - Either the lowest possible target, or JAVA_PKG_WANT_TARGET
# ------------------------------------------------------------------------------
java-pkg_get-target() {
	echo ${JAVA_PKG_WANT_TARGET:-$(depend-java-query --get-lowest "${DEPEND} ${RDEPEND}")}
}

java-pkg_get-javac() {
	debug-print-function ${FUNCNAME} $*


	local compiler="${GENTOO_COMPILER}"

	local compiler_executable
	if [[ "${compiler}" = "javac" ]]; then
		# nothing fancy needs to be done for javac
		compiler_executable="javac"
	else
		# for everything else, try to determine from an env file

		local compiler_env="/usr/share/java-config-2/compiler/${compiler}"
		if [[ -f ${compiler_env} ]]; then
			local old_javac=${JAVAC}
			unset JAVAC
			# try to get value of JAVAC
			compiler_executable="$(source ${compiler_env} 1>/dev/null 2>&1; echo ${JAVAC})"
			export JAVAC=${old_javac}

			if [[ -z ${compiler_executable} ]]; then
				echo "JAVAC is empty or undefined in ${compiler_env}"
				return 1
			fi

			# check that it's executable
			if [[ ! -x ${compiler_executable} ]]; then
				echo "${compiler_executable} doesn't exist, or isn't executable"
				return 1
			fi
		else
			echo "Could not find environment file for ${compiler}"
			return 1
		fi
	fi
	echo ${compiler_executable}
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_javac-args
#
# If an ebuild uses javac directly, instead of using ejavac, it should call this
# to know what -source/-target to use.
#
# @return string - arguments to pass to javac, complete with -target and -source
# ------------------------------------------------------------------------------
java-pkg_javac-args() {
	debug-print-function ${FUNCNAME} $*

	local want_source="$(java-pkg_get-source)"
	local want_target="$(java-pkg_get-target)"

	local source_str="-source ${want_source}"
	local target_str="-target ${want_target}"

	debug-print "want source: ${want_source}"
	debug-print "want target: ${want_target}"

	if [[ -z "${want_source}" || -z "${want_target}" ]]; then
		debug-print "could not find valid -source/-target values for javac"
		echo "Could not find valid -source/-target values for javac"
		return 1
	else
		if java-pkg_is-vm-version-ge "1.4"; then
			echo "${source_str} ${target_str}"
		else
			echo "${target_str}"
		fi
	fi
}

# TODO document
java-pkg_get-jni-cflags() {
	local flags="-I${JAVA_HOME}/include"

	local platform="linux"
	use elibc_FreeBSD && platform="freebsd"

	# TODO do a check that the directories are valid
	flags="${flags} -I${JAVA_HOME}/include/${platform}"

	echo ${flags}
}

java-pkg_ensure-gcj() {
	if ! built_with_use sys-devel/gcc gcj ; then
		ewarn
		ewarn "You must build gcc with the gcj support to build with gcj"
		ewarn
		ebeep 5
		die "No GCJ support found!"
	fi
}

java-pkg_ensure-test() {
	if hasq test ${FEATURES} && ! hasq -test ${FEATURES} \
		&& hasq test ${IUSE} && ! use test;
	then
		eerror "You specified FEATURES=test, but USE=test is needed"
		eerror "to pull in the additional dependencies for testing"
		die "Need USE=test enabled"
	fi
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_register-ant-task
#
# Register this package as ant task, so that ant will load it when no specific
# ANT_TASKS are specified. Note that even without this registering, all packages
# specified in ANT_TASKS will be loaded. Mostly used by the actual ant tasks
# packages, but can be also used by other ebuilds that used to symlink their
# .jar into /usr/share/ant-core/lib to get autoloaded, for backwards
# compatibility.
#
# @param --version x.y Register only for ant version x.y (otherwise for any ant
#		version). Used by the ant-* packages to prevent loading of mismatched
#		ant-core ant tasks after core was updated, before the tasks are updated,
#		without a need for blockers.
# @param $1 Name to register as. Defaults to JAVA_PKG_NAME ($PN[-$SLOT])
# ------------------------------------------------------------------------------
java-pkg_register-ant-task() {
	local TASKS_DIR="tasks"

	# check for --version x.y parameters
	while [[ -n "${1}" && -n "${2}" ]]; do
		local var="${1#--}"
		local val="${2}"
		if [[ "${var}" == "version" ]]; then
			TASKS_DIR="tasks-${val}"
		else
			die "Unknown parameter passed to java-pkg_register-ant-tasks: ${1} ${2}"
		fi
		shift 2
	done

	local TASK_NAME="${1:-${JAVA_PKG_NAME}}"

	dodir /usr/share/ant/${TASKS_DIR}
	touch "${D}/usr/share/ant/${TASKS_DIR}/${TASK_NAME}"
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_ant-tasks-depend
#
# Translates the WANT_ANT_TASKS variable into valid dependencies.
# ------------------------------------------------------------------------------
java-pkg_ant-tasks-depend() {
	debug-print-function ${FUNCNAME} ${WANT_ANT_TASKS}

	if [[ -n "${WANT_ANT_TASKS}" ]]; then
		local DEP=""
		for i in ${WANT_ANT_TASKS}
		do
			if [[ ${i} != ant-* ]]; then
				echo "Invalid atom in WANT_ANT_TASKS: ${i}"
				return 1
			fi
			DEP="${DEP}dev-java/${i} "
		done
		echo ${DEP}
		return 0
	else
		return 0
	fi
}

# ------------------------------------------------------------------------------
# @ebuild-function ejunit
#
# Junit wrapper function. Makes it easier to run the tests and checks for
# dev-java/junit in DEPEND. Launches the tests using junit.textui.TestRunner.
#
# Examples:
# ejunit -cp build/classes org.blinkenlights.jid3.test.AllTests
# ejunit org.blinkenlights.jid3.test.AllTests
#
# @param $1 - -cp or -classpath
# @param $2 - classpath; junit and recorded dependencies get appended
# @param $@ - the rest of the parameters are passed to java
# ------------------------------------------------------------------------------
ejunit() {
	debug-print-function ${FUNCNAME} $*

	local pkgs
	for atom in $(cat ${JAVA_PKG_DEPEND_FILE} | tr : ' '); do
		pkgs=${pkgs},$(echo ${atom} | sed -re "s/^.*@//")
	done

	local cp=$(java-pkg_getjars --with-dependencies junit${pkgs})
	if [[ ${1} = -cp || ${1} = -classpath ]]; then
		cp="${2}:${cp}"
		shift 2
	else
		cp=".:${cp}"
	fi

	local runner=junit.textui.TestRunner
	debug-print "Calling: java -cp \"${cp}\" -Djava.awt.headless=true ${runner} ${@}"
	java -cp "${cp}" -Djava.awt.headless=true ${runner} "${@}" || die "Running junit failed"
}

# ------------------------------------------------------------------------------
# @section-end helper
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @section-begin build
# @section-summary Build functions
#
# These are some functions for building a package. In particular, it consists of
# wrappers for javac and ant.
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @ebuild-function eant
#
# Ant wrapper function. Will use the appropriate compiler, based on user-defined
# compiler. Will also set proper ANT_TASKS from the variable ANT_TASKS,
# variables:
# EANT_GENTOO_CLASSPATH - calls java-pkg_getjars for the value and adds to the
#                         gentoo.classpath property. Be sure to call
#                         java-ant_rewrite-classpath in src_unpack.
# JAVA_PKG_NO_BUNDLED_SEARCH - Don't search for bundled jars or class files
# *ANT_TASKS - used to determine ANT_TASKS before calling Ant.
# ------------------------------------------------------------------------------
eant() {
	debug-print-function ${FUNCNAME} $*

	if [[ ${EBUILD_PHASE} = compile ]]; then
		# Used to be done in hooks in java-ant-2.eclass but moved here so that we can
		# finally get rid of the hooks without breaking stuff

		[[ "${JAVA_ANT_IGNORE_SYSTEM_CLASSES}" && "${JAVA_PKG_BSFIX}" ]] \
			&& java-ant_ignore-system-classes "${S}/build.xml"

		if hasq java-ant-2 ${INHERITED}; then
			java-ant_bsfix
		fi

		# eant can be called multiple times
		JAVA_PKG_BSFIX="off"

		if [[ -z ${JAVA_PKG_NO_BUNDLED_SEARCH} ]] && is-java-strict; then
			echo "Searching for bundled jars:"
			java-pkg_find-normal-jars || echo "None found."
			echo "Searching for bundled classes (no output if none found):"
			find "${WORKDIR}" -name "*.class"
			echo "Search done."
			JAVA_PKG_NO_BUNDLED_SEARCH=true # eant can be called many times
		fi
	fi

	if ! hasq java-ant-2 ${INHERITED}; then
		local msg="You should inherit java-ant-2 when using eant"
		java-pkg_announce-qa-violation "${msg}"
	fi

	local antflags="-Dnoget=true -Dmaven.mode.offline=true -Dbuild.sysclasspath=ignore"

	java-pkg_init-compiler_
	local compiler="${GENTOO_COMPILER}"

	local compiler_env="${JAVA_PKG_COMPILER_DIR}/${compiler}"
	local build_compiler="$(source ${compiler_env} 1>/dev/null 2>&1; echo ${ANT_BUILD_COMPILER})"
	if [[ "${compiler}" != "javac" && -z "${build_compiler}" ]]; then
		die "ANT_BUILD_COMPILER undefined in ${compiler_env}"
	fi

	if [[ ${compiler} != "javac" ]]; then
		antflags="${antflags} -Dbuild.compiler=${build_compiler}"
		# Figure out any extra stuff to put on the classpath for compilers aside
		# from javac
		# ANT_BUILD_COMPILER_DEPS should be something that could be passed to
		# java-config -p
		local build_compiler_deps="$(source ${JAVA_PKG_COMPILER_DIR}/${compiler} 1>/dev/null 2>&1; echo ${ANT_BUILD_COMPILER_DEPS})"
		if [[ -n ${build_compiler_deps} ]]; then
			antflags="${antflags} -lib $(java-config -p ${build_compiler_deps})"
		fi
	fi

	for arg in "${@}"; do
		if [[ ${arg} = -lib ]]; then
			if is-java-strict; then
				eerror "You should not use the -lib argument to eant because it will fail"
				eerror "with JAVA_PKG_STRICT. Please use for example java-pkg_jar-from"
				eerror "or ant properties to make dependencies available."
				eerror "For ant tasks use WANT_ANT_TASKS or ANT_TASKS from."
				eerror "split ant (>=dev-java/ant-core-1.7)."
				die "eant -lib is deprecated/forbidden"
			else
				echo "eant -lib is deprecated. Turn JAVA_PKG_STRICT on for"
				echo "more info."
			fi
		fi
	done

	# default ANT_TASKS to WANT_ANT_TASKS, if ANT_TASKS is not set explicitly
	ANT_TASKS="${ANT_TASKS:-${WANT_ANT_TASKS}}"

	# override ANT_TASKS with JAVA_PKG_FORCE_ANT_TASKS if it's set
	ANT_TASKS="${JAVA_PKG_FORCE_ANT_TASKS:-${ANT_TASKS}}"

	# if ant-tasks is not set by ebuild or forced, use none
	ANT_TASKS="${ANT_TASKS:-none}"

	# at this point, ANT_TASKS should be "all", "none" or explicit list
	if [[ "${ANT_TASKS}" == "all" ]]; then
		einfo "Using all available ANT_TASKS"
	elif [[ "${ANT_TASKS}" == "none" ]]; then
		einfo "Disabling all optional ANT_TASKS"
	else
		einfo "Using following ANT_TASKS: ${ANT_TASKS}"
	fi

	export ANT_TASKS

	[[ -n ${JAVA_PKG_DEBUG} ]] && antflags="${antflags} --execdebug -debug"
	[[ -n ${PORTAGE_QUIET} ]] && antflags="${antflags} -q"

	local gcp="${EANT_GENTOO_CLASSPATH}"
	local getjarsarg=""

	if [[ ${EBUILD_PHASE} = "test" ]]; then
		antflags="${antflags} -DJunit.present=true"
		[[ ${gcp} && ${ANT_TASKS} = *ant-junit* ]] && gcp="${gcp} junit"
		getjarsarg="--with-dependencies"
	fi

	local cp

	for atom in ${gcp}; do
		cp="${cp}:$(java-pkg_getjars ${getjarsarg} ${atom})"
	done

	if [[ ${cp} ]]; then
		# It seems ant does not like single quotes around ${cp}
		antflags="${antflags} -Dgentoo.classpath=\"${cp#:}\""
	fi

	[[ -n ${JAVA_PKG_DEBUG} ]] && echo ant ${antflags} "${@}"
	debug-print "Calling ant (GENTOO_VM: ${GENTOO_VM}): ${antflags} ${@}"
	ant ${antflags} "${@}" || die "eant failed"
}

# ------------------------------------------------------------------------------
# @ebuild-function ejavac
#
# Javac wrapper function. Will use the appropriate compiler, based on
# /etc/java-config/compilers.conf
#
# @param $@ - Arguments to be passed to the compiler
# ------------------------------------------------------------------------------
ejavac() {
	debug-print-function ${FUNCNAME} $*

	java-pkg_init-compiler_

	local compiler_executable
	compiler_executable=$(java-pkg_get-javac)
	if [[ ${?} != 0 ]]; then
		eerror "There was a problem determining compiler: ${compiler_executable}"
		die "get-javac failed"
	fi

	local javac_args
	javac_args="$(java-pkg_javac-args)"
	if [[ ${?} != 0 ]]; then
		eerror "There was a problem determining JAVACFLAGS: ${javac_args}"
		die "java-pkg_javac-args failed"
	fi

	[[ -n ${JAVA_PKG_DEBUG} ]] && echo ${compiler_executable} ${javac_args} "${@}"
	${compiler_executable} ${javac_args} "${@}" || die "ejavac failed"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_filter-compiler
#
# Used to prevent the use of some compilers. Should be used in src_compile.
# Basically, it just appends onto JAVA_PKG_FILTER_COMPILER
#
# @param $@ - compilers to filter
# ------------------------------------------------------------------------------
java-pkg_filter-compiler() {
	JAVA_PKG_FILTER_COMPILER="${JAVA_PKG_FILTER_COMPILER} $@"
}

# ------------------------------------------------------------------------------
# @ebuild-function java-pkg_force-compiler
#
# Used to force the use of particular compilers. Should be used in src_compile.
# A common use of this would be to force ecj-3.1 to be used on amd64, to avoid
# OutOfMemoryErrors that may come up.
#
# @param $@ - compilers to force
# ------------------------------------------------------------------------------
java-pkg_force-compiler() {
	JAVA_PKG_FORCE_COMPILER="$@"
}

# ------------------------------------------------------------------------------
# @ebuild-function use_doc
#
# Helper function for getting ant to build javadocs. If the user has USE=doc,
# then 'javadoc' or the argument are returned. Otherwise, there is no return.
#
# The output of this should be passed to ant.
#
# Example: build javadocs by calling 'javadoc' target
#	eant $(use_doc)
# Example: build javadocs by calling 'apidoc' target
#	eant $(use_doc apidoc)
#
# @param $@ - Option value to return. Defaults to 'javadoc'
# @return string - Name of the target to create javadocs
# ------------------------------------------------------------------------------
use_doc() {
	use doc && echo ${@:-javadoc}
}


# ------------------------------------------------------------------------------
# @section-end build
# ------------------------------------------------------------------------------

# ------------------------------------------------------------------------------
# @section-begin internal
# @section-summary Internal functions
#
# Do __NOT__ use any of these from an ebuild! These are only to be used from
# within the java eclasses.
# ------------------------------------------------------------------------------

# -----------------------------------------------------------------------------
# @function-internal java-pkg_init
#
# The purpose of this function, as the name might imply, is to initialize the
# Java environment. It ensures that that there aren't any environment variables
# that'll muss things up. It initializes some variables, which are used
# internally. And most importantly, it'll switch the VM if necessary.
#
# This shouldn't be used directly. Instead, java-pkg and java-pkg-opt will
# call it during each of the phases of the merge process.
#
# -----------------------------------------------------------------------------
java-pkg_init() {
	debug-print-function ${FUNCNAME} $*
	unset JAVAC
	unset JAVA_HOME

	# People do all kinds of weird things.
	# http://forums.gentoo.org/viewtopic-p-3943166.html
	local silence="${SILENCE_JAVA_OPTIONS_WARNING}"
	local accept="${I_WANT_GLOBAL_JAVA_OPTIONS}"
	if [[ -n ${_JAVA_OPTIONS} && -z ${accept} && -z ${silence} ]]; then
		ewarn "_JAVA_OPTIONS changes what java -version outputs at least for"
		ewarn "sun-jdk vms and and as such break configure scripts that"
		ewarn "use it (for example app-office/openoffice) so we filter it out."
		ewarn "Use SILENCE_JAVA_OPTIONS_WARNING=true in the environment (use"
		ewarn "make.conf for example) to silence this warning or"
		ewarn "I_WANT_GLOBAL_JAVA_OPTIONS to not filter it."
	fi

	if [[ -z ${accept} ]]; then
		# export _JAVA_OPTIONS= doesn't work because it will show up in java
		# -version output
		unset _JAVA_OPTIONS
		# phase hooks make this run many times without this
		I_WANT_GLOBAL_JAVA_OPTIONS="true"
	fi

	if java-pkg_func-exists ant_src_unpack; then
		java-pkg_announce-qa-violation "Using old ant_src_unpack. Should be src_unpack"
	fi

	java-pkg_init_paths_
	java-pkg_switch-vm
	PATH=${JAVA_HOME}/bin:${PATH}

	# TODO we will probably want to set JAVAC and JAVACFLAGS

	# Do some QA checks
	java-pkg_check-jikes

	# Can't use unset here because Portage does not save the unset
	# see https://bugs.gentoo.org/show_bug.cgi?id=189417#c11

	# When users have crazy classpaths some packages can fail to compile.
	# and everything should work with empty CLASSPATH.
	# This also helps prevent unexpected dependencies on random things
	# from the CLASSPATH.
	export CLASSPATH=

	# Unset external ANT_ stuff
	export ANT_TASKS=
	export ANT_OPTS=
}

# ------------------------------------------------------------------------------
# @function-internal java-pkg-init-compiler_
#
# This function attempts to figure out what compiler should be used. It does
# this by reading the file at JAVA_PKG_COMPILERS_CONF, and checking the
# COMPILERS variable defined there.
# This can be overridden by a list in JAVA_PKG_FORCE_COMPILER
#
# It will go through the list of compilers, and verify that it supports the
# target and source that are needed. If it is not suitable, then the next
# compiler is checked. When JAVA_PKG_FORCE_COMPILER is defined, this checking
# isn't done.
#
# Once the which compiler to use has been figured out, it is set to
# GENTOO_COMPILER.
#
# If you hadn't guessed, JAVA_PKG_FORCE_COMPILER is for testing only.
#
# If the user doesn't defined anything in JAVA_PKG_COMPILERS_CONF, or no
# suitable compiler was found there, then the default is to use javac provided
# by the current VM.
#
#
# @return name of the compiler to use
# ------------------------------------------------------------------------------
java-pkg_init-compiler_() {
	debug-print-function ${FUNCNAME} $*

	if [[ -n ${GENTOO_COMPILER} ]]; then
		debug-print "GENTOO_COMPILER already set"
		return
	fi

	local compilers;
	if [[ -z ${JAVA_PKG_FORCE_COMPILER} ]]; then
		compilers="$(source ${JAVA_PKG_COMPILERS_CONF} 1>/dev/null 2>&1; echo	${COMPILERS})"
	else
		compilers=${JAVA_PKG_FORCE_COMPILER}
	fi

	debug-print "Read \"${compilers}\" from ${JAVA_PKG_COMPILERS_CONF}"

	# Figure out if we should announce what compiler we're using
	local compiler
	for compiler in ${compilers}; do
		debug-print "Checking ${compiler}..."
		# javac should always be alright
		if [[ ${compiler} = "javac" ]]; then
			debug-print "Found javac... breaking"
			export GENTOO_COMPILER="javac"
			break
		fi

		if has ${compiler} ${JAVA_PKG_FILTER_COMPILER}; then
			if [[ -z ${JAVA_PKG_FORCE_COMPILER} ]]; then
				einfo "Filtering ${compiler}"
				continue
			fi
		fi

		# for non-javac, we need to make sure it supports the right target and
		# source
		local compiler_env="${JAVA_PKG_COMPILER_DIR}/${compiler}"
		if [[ -f ${compiler_env} ]]; then
			local desired_target="$(java-pkg_get-target)"
			local desired_source="$(java-pkg_get-source)"


			# Verify that the compiler supports target
			local supported_target=$(source ${compiler_env} 1>/dev/null 2>&1; echo ${SUPPORTED_TARGET})
			if ! has ${desired_target} ${supported_target}; then
				ewarn "${compiler} does not support -target ${desired_target},	skipping"
				continue
			fi

			# -source was introduced in 1.3, so only check 1.3 and on
			if version_is_at_least "${desired_soure}" "1.3"; then
				# Verify that the compiler supports source
				local supported_source=$(source ${compiler_env} 1>/dev/null 2>&1; echo ${SUPPORTED_SOURCE})
				if ! has ${desired_source} ${supported_source}; then
					ewarn "${compiler} does not support -source ${desired_source}, skipping"
					continue
				fi
			fi

			# if you get here, then the compiler should be good to go
			export GENTOO_COMPILER="${compiler}"
			break
		else
			ewarn "Could not find configuration for ${compiler}, skipping"
			ewarn "Perhaps it is not installed?"
			continue
		fi
	done

	# If it hasn't been defined already, default to javac
	if [[ -z ${GENTOO_COMPILER} ]]; then
		if [[ -n ${compilers} ]]; then
			einfo "No suitable compiler found: defaulting to JDK default for compilation"
		else
			# probably don't need to notify users about the default.
			:;#einfo "Defaulting to javac for compilation"
		fi
		if java-config -g GENTOO_COMPILER 2> /dev/null; then
			export GENTOO_COMPILER=$(java-config -g GENTOO_COMPILER)
		else
			export GENTOO_COMPILER=javac
		fi
	else
		einfo "Using ${GENTOO_COMPILER} for compilation"
	fi

}

# ------------------------------------------------------------------------------
# @internal-function init_paths_
#
# Initializes some variables that will be used. These variables are mostly used
# to determine where things will eventually get installed.
# ------------------------------------------------------------------------------
java-pkg_init_paths_() {
	debug-print-function ${FUNCNAME} $*

	local pkg_name
	if [[ "$SLOT" == "0" ]] ; then
		JAVA_PKG_NAME="${PN}"
	else
		JAVA_PKG_NAME="${PN}-${SLOT}"
	fi

	JAVA_PKG_SHAREPATH="${DESTTREE}/share/${JAVA_PKG_NAME}"
	JAVA_PKG_SOURCESPATH="${JAVA_PKG_SHAREPATH}/sources/"
	JAVA_PKG_ENV="${D}${JAVA_PKG_SHAREPATH}/package.env"
	JAVA_PKG_VIRTUALS_PATH="${DESTTREE}/share/java-config-2/virtuals"
	JAVA_PKG_VIRTUAL_PROVIDER="${D}/${JAVA_PKG_VIRTUALS_PATH}/${JAVA_PKG_NAME}"

	[[ -z "${JAVA_PKG_JARDEST}" ]] && JAVA_PKG_JARDEST="${JAVA_PKG_SHAREPATH}/lib"
	[[ -z "${JAVA_PKG_LIBDEST}" ]] && JAVA_PKG_LIBDEST="${DESTTREE}/$(get_libdir)/${JAVA_PKG_NAME}"
	[[ -z "${JAVA_PKG_WARDEST}" ]] && JAVA_PKG_WARDEST="${JAVA_PKG_SHAREPATH}/webapps"


	# TODO maybe only print once?
	debug-print "JAVA_PKG_SHAREPATH: ${JAVA_PKG_SHAREPATH}"
	debug-print "JAVA_PKG_ENV: ${JAVA_PKG_ENV}"
	debug-print "JAVA_PKG_JARDEST: ${JAVA_PKG_JARDEST}"
	debug-print "JAVA_PKG_LIBDEST: ${JAVA_PKG_LIBDEST}"
	debug-print "JAVA_PKG_WARDEST: ${JAVA_PKG_WARDEST}"
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_do_write_
#
# Writes the package.env out to disk.
#
# ------------------------------------------------------------------------------
# TODO change to do-write, to match everything else
java-pkg_do_write_() {
	debug-print-function ${FUNCNAME} $*
	java-pkg_init_paths_
	# Create directory for package.env
	dodir "${JAVA_PKG_SHAREPATH}"
	if [[ -n "${JAVA_PKG_CLASSPATH}" || -n "${JAVA_PKG_LIBRARY}" || -f \
			"${JAVA_PKG_DEPEND_FILE}" || -f \
			"${JAVA_PKG_OPTIONAL_DEPEND_FILE}" ]]; then
		# Create package.env
		(
			echo "DESCRIPTION=\"${DESCRIPTION}\""
			echo "GENERATION=\"2\""
			echo "SLOT=\"${SLOT}\""

			[[ -n "${JAVA_PKG_CLASSPATH}" ]] && echo "CLASSPATH=\"${JAVA_PKG_CLASSPATH}\""
			[[ -n "${JAVA_PKG_LIBRARY}" ]] && echo "LIBRARY_PATH=\"${JAVA_PKG_LIBRARY}\""
			[[ -n "${JAVA_PROVIDE}" ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\""
			[[ -f "${JAVA_PKG_DEPEND_FILE}" ]] \
				&& echo "DEPEND=\"$(cat "${JAVA_PKG_DEPEND_FILE}" | uniq | tr '\n' ':')\""
			[[ -f "${JAVA_PKG_OPTIONAL_DEPEND_FILE}" ]] \
				&& echo "OPTIONAL_DEPEND=\"$(cat "${JAVA_PKG_OPTIONAL_DEPEND_FILE}" | uniq | tr '\n' ':')\""
			echo "VM=\"$(echo ${RDEPEND} ${DEPEND} | sed -e 's/ /\n/g' | sed -n -e '/virtual\/\(jre\|jdk\)/ { p;q }')\"" # TODO cleanup !
		) > "${JAVA_PKG_ENV}"

		# register target/source
		local target="$(java-pkg_get-target)"
		local source="$(java-pkg_get-source)"
		[[ -n ${target} ]] && echo "TARGET=\"${target}\"" >> "${JAVA_PKG_ENV}"
		[[ -n ${source} ]] && echo "SOURCE=\"${source}\"" >> "${JAVA_PKG_ENV}"

		# register javadoc info
		[[ -n ${JAVADOC_PATH} ]] && echo "JAVADOC_PATH=\"${JAVADOC_PATH}\"" \
			>> ${JAVA_PKG_ENV}
		# register source archives
		[[ -n ${JAVA_SOURCES} ]] && echo "JAVA_SOURCES=\"${JAVA_SOURCES}\"" \
			>> ${JAVA_PKG_ENV}


		echo "MERGE_VM=\"${GENTOO_VM}\"" >> "${JAVA_PKG_ENV}"
		[[ -n ${GENTOO_COMPILER} ]] && echo "MERGE_COMPILER=\"${GENTOO_COMPILER}\"" >> "${JAVA_PKG_ENV}"

		# extra env variables
		if [[ -n "${JAVA_PKG_EXTRA_ENV_VARS}" ]]; then
			cat "${JAVA_PKG_EXTRA_ENV}" >> "${JAVA_PKG_ENV}" || die
			# nested echo to remove leading/trailing spaces
			echo "ENV_VARS=\"$(echo ${JAVA_PKG_EXTRA_ENV_VARS})\"" \
				>> "${JAVA_PKG_ENV}" || die
		fi

		# Strip unnecessary leading and trailing colons
		# TODO try to cleanup if possible
		sed -e "s/=\":/=\"/" -e "s/:\"$/\"/" -i "${JAVA_PKG_ENV}" || die "Did you forget to call java_init ?"
	else
		debug-print "JAVA_PKG_CLASSPATH, JAVA_PKG_LIBRARY, JAVA_PKG_DEPEND_FILE"
		debug-print "or JAVA_PKG_OPTIONAL_DEPEND_FILE not defined so can't"
		debug-print "write package.env."
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_record-jar_
#
# Record an (optional) dependency to the package.env
# @param --optional - record dependency as optional
# @param $1 - package to record
# @param $2 - (optional) jar of package to record
# ------------------------------------------------------------------------------
JAVA_PKG_DEPEND_FILE="${T}/java-pkg-depend"
JAVA_PKG_OPTIONAL_DEPEND_FILE="${T}/java-pkg-optional-depend"

java-pkg_record-jar_() {
	debug-print-function ${FUNCNAME} $*

	local depend_file="${JAVA_PKG_DEPEND_FILE}"
	if [[ "${1}" == "--optional" ]]; then
		depend_file="${JAVA_PKG_OPTIONAL_DEPEND_FILE}"
		shift
	fi

	local pkg=${1} jar=${2} append
	if [[ -z "${jar}" ]]; then
		append="${pkg}"
	else
		append="$(basename ${jar})@${pkg}"
	fi

	echo "${append}" >> "${depend_file}"
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_append_
#
# Appends a value to a variable
#
# Example: java-pkg_append_ CLASSPATH foo.jar
# @param $1 variable name to modify
# @param $2 value to append
# ------------------------------------------------------------------------------
java-pkg_append_() {
	debug-print-function ${FUNCNAME} $*

	local var="${1}" value="${2}"
	if [[ -z "${!var}" ]] ; then
		export ${var}="${value}"
	else
		local oldIFS=${IFS} cur haveit
		IFS=':'
		for cur in ${!var}; do
			if [[ ${cur} == ${value} ]]; then
				haveit="yes"
				break
			fi
		done
		[[ -z ${haveit} ]] && export ${var}="${!var}:${value}"
		IFS=${oldIFS}
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_expand_dir_
#
# Gets the full path of the file/directory's parent.
# @param $1 - file/directory to find parent directory for
# @return - path to $1's parent directory
# ------------------------------------------------------------------------------
java-pkg_expand_dir_() {
	pushd "$(dirname "${1}")" >/dev/null 2>&1
	pwd
	popd >/dev/null 2>&1
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_func-exists
#
# Does the indicated function exist?
#
# @return 0 - function is declared
# @return 1 - function is undeclared
# ------------------------------------------------------------------------------
java-pkg_func-exists() {
	if [[ -n "$(declare -f ${1})" ]]; then
		return 0
	else
		return 1
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_setup-vm
#
# Sets up the environment for a specific VM
#
# ------------------------------------------------------------------------------
java-pkg_setup-vm() {
	debug-print-function ${FUNCNAME} $*

	export LANG="C" LC_ALL="C"

	local vendor="$(java-pkg_get-vm-vendor)"
	if [[ "${vendor}" == "sun" ]] && java-pkg_is-vm-version-ge "1.5" ; then
		addpredict "/dev/random"
	elif [[ "${vendor}" == "ibm" ]]; then
		addpredict "/proc/self/maps"
		addpredict "/proc/cpuinfo"
	elif [[ "${vendor}" == "jrockit" ]]; then
		addpredict "/proc/cpuinfo"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_needs-vm
#
# Does the current package depend on virtual/jdk?
#
# @return 0 - Package depends on virtual/jdk
# @return 1 - Package does not depend on virtual/jdk
# ------------------------------------------------------------------------------
java-pkg_needs-vm() {
	debug-print-function ${FUNCNAME} $*

	if [[ -n "$(echo ${DEPEND} | sed -e '\:virtual/jdk:!d')" ]]; then
		return 0
	fi

	return 1
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_get-current-vm
#
# @return - The current VM being used
# ------------------------------------------------------------------------------
java-pkg_get-current-vm() {
	java-config -f
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_get-vm-vendor
#
# @return - The vendor of the current VM
# ------------------------------------------------------------------------------
java-pkg_get-vm-vendor() {
	debug-print-function ${FUNCNAME} $*

	local vm="$(java-pkg_get-current-vm)"
	vm="${vm/-*/}"
	echo "${vm}"
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_get-vm-version
#
# @return - The version of the current VM
# ------------------------------------------------------------------------------
java-pkg_get-vm-version() {
	debug-print-function ${FUNCNAME} $*

	java-config -g PROVIDES_VERSION
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_switch-vm
#
# Switch VM if we're allowed to (controlled by JAVA_PKG_ALLOW_VM_CHANGE), and
# verify that the current VM is sufficient.
# Setup the environment for the VM being used.
# ------------------------------------------------------------------------------
java-pkg_switch-vm() {
	debug-print-function ${FUNCNAME} $*

	if java-pkg_needs-vm; then
		# Use the VM specified by JAVA_PKG_FORCE_VM
		if [[ -n "${JAVA_PKG_FORCE_VM}" ]]; then
			# If you're forcing the VM, I hope you know what your doing...
			debug-print "JAVA_PKG_FORCE_VM used: ${JAVA_PKG_FORCE_VM}"
			export GENTOO_VM="${JAVA_PKG_FORCE_VM}"
		# if we're allowed to switch the vm...
		elif [[ "${JAVA_PKG_ALLOW_VM_CHANGE}" == "yes" ]]; then
			debug-print "depend-java-query:  NV_DEPEND:	${JAVA_PKG_NV_DEPEND:-${DEPEND}} VNEED: ${JAVA_PKG_VNEED}"
			if [[ -n ${JAVA_PKG_VNEED} ]]; then
				GENTOO_VM="$(depend-java-query --need-virtual "${JAVA_PKG_VNEED}" --get-vm "${JAVA_PKG_NV_DEPEND:-${DEPEND}}")"
			else
				GENTOO_VM="$(depend-java-query --get-vm "${JAVA_PKG_NV_DEPEND:-${DEPEND}}")"
			fi
			if [[ -z "${GENTOO_VM}" || "${GENTOO_VM}" == "None" ]]; then
				eerror "Unable to determine VM for building from dependencies:"
				echo "NV_DEPEND: ${JAVA_PKG_NV_DEPEND:-${DEPEND}}"
				echo "VNEED: ${JAVA_PKG_VNEED}"
				die "Failed to determine VM for building."
			else
				export GENTOO_VM
			fi
		# otherwise just make sure the current VM is sufficient
		else
			java-pkg_ensure-vm-version-sufficient
		fi
		debug-print "Using: $(java-config -f)"

		java-pkg_setup-vm

		export JAVA=$(java-config --java)
		export JAVAC=$(java-config --javac)
		JAVACFLAGS="$(java-pkg_javac-args)"
		if [[ ${?} != 0 ]]; then
			eerror "There was a problem determining JAVACFLAGS: ${JAVACFLAGS}"
			die "java-pkg_javac-args failed"
		fi
		[[ -n ${JAVACFLAGS_EXTRA} ]] && JAVACFLAGS="${JAVACFLAGS_EXTRA} ${JAVACFLAGS}"
		export JAVACFLAGS

		export JAVA_HOME="$(java-config -g JAVA_HOME)"
		export JDK_HOME=${JAVA_HOME}

		#TODO If you know a better solution let us know.
		java-pkg_append_ LD_LIBRARY_PATH "$(java-config -g LDPATH)"

		local tann="${T}/announced-vm"
		# With the hooks we should only get here once from pkg_setup but better safe than sorry
		# if people have for example modified eclasses some where
		if [[ -n "${JAVA_PKG_DEBUG}" ]] || [[ ! -f "${tann}" ]] ; then
			einfo "Using: $(java-config -f)"
			[[ ! -f "${tann}" ]] && touch "${tann}"
		fi

	else
		[[ -n "${JAVA_PKG_DEBUG}" ]] && ewarn "!!! This package inherits java-pkg but doesn't depend on a JDK. -bin or broken dependency!!!"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_die
#
# Enhanced die for Java packages, which displays some information that may be
# useful for debugging bugs on bugzilla.
# ------------------------------------------------------------------------------
#register_die_hook java-pkg_die
if ! hasq java-pkg_die ${EBUILD_DEATH_HOOKS}; then
	EBUILD_DEATH_HOOKS="${EBUILD_DEATH_HOOKS} java-pkg_die"
fi

java-pkg_die() {
	echo "!!! When you file a bug report, please include the following information:" >&2
	echo "GENTOO_VM=${GENTOO_VM}  CLASSPATH=\"${CLASSPATH}\" JAVA_HOME=\"${JAVA_HOME}\"" >&2
	echo "JAVACFLAGS=\"${JAVACFLAGS}\" COMPILER=\"${GENTOO_COMPILER}\"" >&2
	echo "and of course, the output of emerge --info" >&2
}


# TODO document
# List jars in the source directory, ${S}
java-pkg_jar-list() {
	if [[ -n "${JAVA_PKG_DEBUG}" ]]; then
		einfo "Linked Jars"
		find "${S}" -type l -name '*.jar' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
		einfo "Jars"
		find "${S}" -type f -name '*.jar' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
		einfo "Classes"
		find "${S}" -type f -name '*.class' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
	fi
}

# ------------------------------------------------------------------------------
# @internal-function java-pkg_verify-classes
#
# Verify that the classes were compiled for the right source / target. Dies if
# not.
# @param $1 (optional) - the file to check, otherwise checks whole ${D}
# ------------------------------------------------------------------------------
java-pkg_verify-classes() {
	#$(find ${D} -type f -name '*.jar' -o -name '*.class')
	local target=$(java-pkg_get-target)
	local result
	local log="${T}/class-version-verify.log"
	if [[ -n "${1}" ]]; then
		class-version-verify.py -v -t ${target} "${1}" > "${log}"
		result=$?
	else
		ebegin "Verifying java class versions (target: ${target})"
		class-version-verify.py -v -t ${target} -r "${D}" > "${log}"
		result=$?
		eend ${result}
	fi
	[[ -n ${JAVA_PKG_DEBUG} ]] && cat "${log}"
	if [[ ${result} != 0 ]]; then
		eerror "Incorrect bytecode version found"
		[[ -n "${1}" ]] && eerror "in file: ${1}"
		eerror "See ${log} for more details."
		die "Incorrect bytecode found"
	fi
}

# ----------------------------------------------------------------------------
# @internal-function java-pkg_ensure-dep
# Check that a package being used in jarfrom, getjars and getjar is contained
# within DEPEND or RDEPEND.
# @param $1 - empty - check both vars; "runtime" or "build" - check only
#	RDEPEND, resp. DEPEND
# @param $2 - Package name and slot.

java-pkg_ensure-dep() {
	debug-print-function ${FUNCNAME} $*

	local limit_to="${1}"
	local target_pkg="${2}"
	local dev_error=""

	local stripped_pkg=$(echo "${target_pkg}" | sed \
		's/-[0-9]*\(\.[0-9]\)*$//')

	debug-print "Matching against: ${stripped_pkg}"

	if [[ ${limit_to} != runtime && ! ( "${DEPEND}" =~ "$stripped_pkg" ) ]]; then
		dev_error="The ebuild is attempting to use ${target_pkg} that is not"
		dev_error="${dev_error} declared in DEPEND."
		if is-java-strict; then
			eerror "${dev_error}"
			die "${dev_error}"
		elif [[ ${BASH_SUBSHELL} = 0 ]]; then
			eerror "${dev_error}"
			elog "Because you have this package installed the package will"
			elog "build without problems, but please report this to"
			elog "http://bugs.gentoo.org"
		fi
	fi

	if [[ ${limit_to} != build ]]; then
		if [[ ! ( ${RDEPEND} =~ "${stripped_pkg}" ) ]]; then
			if [[ ! ( ${PDEPEND} =~ "${stripped_pkg}" ) ]]; then
				dev_error="The ebuild is attempting to use ${target_pkg},"
				dev_error="${dev_error} without specifying --build-only, that is not declared in RDEPEND"
				dev_error="${dev_error} or PDEPEND."
				if is-java-strict; then
					eerror "${dev_error}"
					die "${dev_error}"
				elif [[ ${BASH_SUBSHELL} = 0 ]]; then
					eerror "${dev_error}"
					elog "The package will build without problems, but may fail to run"
					elog "if you don't have ${target_pkg} installed, so please report"
					elog "this to http://bugs.gentoo.org"
				fi
			fi
		fi
	fi
}

# ------------------------------------------------------------------------------
# @section-end internal
# ------------------------------------------------------------------------------

java-pkg_check-phase() {
	local phase=${1}
	local funcname=${FUNCNAME[1]}
	if [[ ${EBUILD_PHASE} != ${phase} ]]; then
		local msg="${funcname} used outside of src_${phase}"
		java-pkg_announce-qa-violation "${msg}"
	fi
}

java-pkg_check-versioned-jar() {
	local jar=${1}

	if [[ ${jar} =~ ${PV} ]]; then
		java-pkg_announce-qa-violation "installing versioned jar '${jar}'"
	fi
}

java-pkg_check-jikes() {
	if hasq jikes ${IUSE}; then
		java-pkg_announce-qa-violation "deprecated USE flag 'jikes' in IUSE"
	fi
}

java-pkg_announce-qa-violation() {
	local nodie
	if [[ ${1} == "--nodie" ]]; then
		nodie="true"
		shift
	fi
	echo "Java QA Notice: $@" >&2
	increment-qa-violations
	[[ -z "${nodie}" ]] && is-java-strict && die "${@}"
}

increment-qa-violations() {
	let "JAVA_PKG_QA_VIOLATIONS+=1"
	export JAVA_PKG_QA_VIOLATIONS
}

is-java-strict() {
	[[ -n ${JAVA_PKG_STRICT} ]]
	return $?
}

# ------------------------------------------------------------------------------
# @eclass-end
# ------------------------------------------------------------------------------