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jar

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manifest ¥Õ¥¡¥¤¥ë (Ǥ°Õ»ØÄê)

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example% jar cf myjarfile *.class

¤³¤ÎÎã¤Ç¤Ï¡¢¸½ºß¤Î¥Ç¥£¥ì¥¯¥È¥êÃæ¤Î¤¹¤Ù¤Æ¤Î¥¯¥é¥¹¥Õ¥¡¥¤¥ë¤¬ myjarfile ¤È¤¤¤¦Ì¾Á°¤Î¥Õ¥¡¥¤¥ë¤ËÃÖ¤«¤ì¤Þ¤¹¡£ manifest ¥Õ¥¡¥¤¥ë¤Ï jar ¥Ä¡¼¥ë¤¬¼«Æ°Åª¤ËÀ¸À®¤·¡¢¾ï¤Ë jar ¥Õ¥¡¥¤¥ë¤ÎÀèƬ¤Î¥¨¥ó¥È¥ê¤È¤Ê¤ê¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï manifest ¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ï "META-INF/MANIFEST.INF" ¤Ë¤Ê¤ê¤Þ¤¹¡£ manifest ¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢¥¢¡¼¥«¥¤¥Ö¤Ë´Ø¤¹¤ë¤¹¤Ù¤Æ¤Î¥á¥¿¾ðÊó¤¬ µ­Ï¿¤µ¤ì¤Þ¤¹¡£ ¤É¤Î¤è¤¦¤Ëµ­Ï¿¤µ¤ì¤ë¤«¤Ë¤Ä¤¤¤Æ¤Ï¡¢¡Ö´ØÏ¢¹àÌÜ¡×¤Î¡Ö ¥Þ¥Ë¥Õ¥§¥¹¥È¥Õ¥©¡¼¥Þ¥Ã¥È ¡×¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

´û¸¤Î manifest ¥Õ¥¡¥¤¥ë¤ò»È¤Ã¤Æ¿·¤¿¤Ê jar ¥¢¡¼¥«¥¤¥Ö¤òºîÀ®¤·¤¿¤¤¤È¤­¤Ï¡¢ -m ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¤½¤Î manifest ¥Õ¥¡¥¤¥ë¤ò»ØÄꤷ¤Þ¤¹¡£°Ê²¼¤ËÎã¤ò¼¨¤·¤Þ¤¹¡£

example% jar cmf myManifestFile myJarFile *.class

cmf ¤Ç¤Ï¤Ê¤¯ cfm ¤ò»ØÄꤹ¤ë¾ì¹ç (¤Ä¤Þ¤ê¡¢ m ¥ª¥×¥·¥ç¥ó¤È f ¥ª¥×¥·¥ç¥ó¤Î½çÈÖ¤òµÕ¤Ë¤¹¤ë¾ì¹ç)¡¢ºÇ½é¤Ë jar ¥¢¡¼¥«¥¤¥Ö̾¤ò»ØÄꤷ¡¢¼¡¤Ë manifest ¥Õ¥¡¥¤¥ë̾¤ò»ØÄꤹ¤ë ɬÍפ¬¤¢¤ê¤Þ¤¹¡£

example% jar cfm myJarFile myManifestFile *.class

manifest ¤Ï RFC822 ASCII ·Á¼°¤ò»ÈÍѤ¹¤ë¤¿¤á¡¢manifest ¥Õ¥¡¥¤¥ë¤ÎÆâÍÆ¤Ï ´Êñ¤Ëɽ¼¨¤ª¤è¤Ó½èÍý¤Ç¤­¤Þ¤¹¡£  

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example% jar uf foo.jar -C classes *

c

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example% jar i foo.jar

foo.jar ¤Ë INDEX.LIST ¥Õ¥¡¥¤¥ë¤¬À¸À®¤µ¤ì¤Þ¤¹¡£ ¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢ foo.jar ¤Î³Æ¥Ñ¥Ã¥±¡¼¥¸¤ª¤è¤Ó foo.jar ¤Î Class-Path °À­¤Ë»ØÄꤵ¤ì¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î jar ¥Õ¥¡¥¤¥ë¤Î°ÌÃÖ¾ðÊ󤬽ñ¤­¹þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£

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m

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example% jar cmf myManifestFile myJarFile *.class

¥Þ¥Ë¥Õ¥§¥¹¥È¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Î¥Þ¥Ë¥Õ¥§¥¹¥È¤Ë´Þ¤Þ¤ì¤Æ¤¤¤Ê¤¤¡¢ ÀìÍѤΡÖ̾Á°-Ã͡װÀ­¥Ø¥Ã¥À¤òÄɲäǤ­¤Þ¤¹¡£¤³¤Î¤è¤¦¤Ê¥Ø¥Ã¥À¤Î Îã¤È¤·¤Æ¤Ï¡¢¥Ù¥ó¥À¾ðÊ󡢥С¼¥¸¥ç¥ó¾ðÊ󡢥ѥ屡¼¥¸¥·¡¼¥ê¥ó¥°¡¢ ¤ª¤è¤Ó JAR ¤Ë´Þ¤Þ¤ì¤ë¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤ò¼Â¹Ô¤¹¤ë¤¿¤á¤Î¥Ø¥Ã¥À¤¬ ¤¢¤ê¤Þ¤¹¡£ m ¥ª¥×¥·¥ç¥ó¤Î»ÈÍÑÎã¤Ë¤Ä¤¤¤Æ¤Ï¡¢¡ÖJava Tutorial¡×¤Î¡ÖJAR Files¡×Àá¤È ¡ÖJRE ³«È¯¼Ô¸þ¤±¥Î¡¼¥È¡×Web ¥Ú¡¼¥¸¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

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t

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u

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example% jar uf foo.jar foo.class

¤³¤ÎÎã¤Ï¡¢¥Õ¥¡¥¤¥ë foo.class ¤ò´û¸¤Î JAR ¥Õ¥¡¥¤¥ë foo.jar ¤ËÄɲä·¤Þ¤¹¡£

example% jar umf foo.jar

¤³¤ÎÎã¤Ï¡¢ foo.jar ¤Î¥Þ¥Ë¥Õ¥§¥¹¥È¤ò¥Þ¥Ë¥Õ¥§¥¹¥È¤Î¾ðÊó¤Ç¹¹¿·¤·¤Þ¤¹¡£

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x file

ɸ½àÆþÎϤ«¤é¥Õ¥¡¥¤¥ë¤òÃê½Ð¤·¤Þ¤¹¡£ file °ú¿ô¤Ï¡¢Ãê½Ð¤¹¤ë¥Õ¥¡¥¤¥ë¤ò»ØÄꤷ¤Þ¤¹¡£ °ú¿ô¤ò¾Êά¤¹¤ë¤È¡¢ ¤¹¤Ù¤Æ¤Î¥Õ¥¡¥¤¥ë¤¬Ãê½Ð¤µ¤ì¤Þ¤¹¡£

°ú¿ô¤Ë»ØÄꤷ¤¿¥Õ¥¡¥¤¥ë¤Î¤É¤ì¤«¤¬¥Ç¥£¥ì¥¯¥È¥ê¤Î¾ì¹ç¡¢ ¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤ÏºÆµ¢Åª¤Ë½èÍý¤µ¤ì¤Þ¤¹¡£

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example% ls
0.au         3.au         6.au          9.au            at_work.gif
1.au         4.au         7.au          Animator.class  monkey.jpg
e.au         5.au         8.au          Wave.class      spacemusic.au
example% jar cvf bundle.jar *
adding: 0.au
adding: 1.au
adding: 2.au
adding: 3.au
adding: 4.au
adding: 5.au
adding: 6.au
adding: 7.au
adding: 8.au
adding: 9.au
adding: Animator.class
adding: Wave.class
adding: at_work.gif
adding: monkey.jpg
adding: spacemusic.au
example%

example% ls
audio classes images
example% jar cvf bundle.jar audio classes images
adding: audio/1.au
adding: audio/2.au
adding: audio/3.au
adding: audio/spacemusic.au
adding: classes/Animator.class
adding: classes/Wave.class
adding: images/monkey.jpg
adding: images/at_work.gif
example% ls -l
total 142
drwxr-xr-x   2 brown    green        512 Aug  1 22:33 audio
-rw-r--r--   1 brown    green      68677 Aug  1 22:36 bundle.jar
drwxr-xr-x   2 brown    green        512 Aug  1 22:26 classes
drwxr-xr-x   2 brown    green        512 Aug  1 22:25 images
example%

example% ls
audio bundle.jar classes images
example% jar tf bundle.jar
META-INF/MANIFEST.MF
audio/1.au
audio/2.au
audio/3.au
audio/spacemusic.au
classes/Animator.class
classes/Wave.class
images/monkey.jpg
images/at_work.gif
example%

example% jar tvf bundle.jar
145 Thu Aug 01 22:27:00 PDT 1996 META-INF/MANIFEST.MF
946 Thu Aug 01 22:24:22 PDT 1996 audio/1.au
1039 Thu Aug 01 22:24:22 PDT 1996 audio/2.au
993 Thu Aug 01 22:24:22 PDT 1996 audio/3.au
48072 Thu Aug 01 22:24:23 PDT 1996 audio/spacemusic.au
16711 Thu Aug 01 22:25:50 PDT 1996 classes/Animator.class
3368 Thu Aug 01 22:26:02 PDT 1996 classes/Wave.class
12809 Thu Aug 01 22:24:48 PDT 1996 images/monkey.jpg
527 Thu Aug 01 22:25:20 PDT 1996 images/at_work.gif
example%

³ô¼è°ú¥¢¥×¥ê¥±¡¼¥·¥ç¥ó (¥¢¥×¥ì¥Ã¥È) ¤ò¼¡¤ÎÊ£¿ô¤Î jar ¥Õ¥¡¥¤¥ë¤Ë¥Ð¥ó¥É¥ë¤·¡¢

main.jar buy.jar sell.jar other.jar

main.jar ¤Î¥Þ¥Ë¥Õ¥§¥¹¥È¤Î Class-Path °À­¤Ë¼¡¤Î¤è¤¦¤Ë»ØÄꤷ¤¿¾ì¹ç¡¢

Class-Path: buy.jar sell.jar other.jar

i ¥ª¥×¥·¥ç¥ó¤ò»ÈÍѤ¹¤ì¤Ð¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥¯¥é¥¹¤Î ¥í¡¼¥É¤ò¹â®²½¤Ç¤­¤Þ¤¹¡£

example$ jar i main.jar

INDEX.LIST ¥Õ¥¡¥¤¥ë¤¬ META-INF ¥Ç¥£¥ì¥¯¥È¥ê¤ËÄɲ䵤ì¤Þ¤¹¡£ ¤³¤Î·ë²Ì¡¢¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥¯¥é¥¹¥í¡¼¥À ¤Ë¤è¤Ã¤Æ¥¯¥é¥¹¤Þ¤¿¤Ï¥ê¥½¡¼¥¹¤Î¸¡º÷¤¬¹Ô¤ï¤ì¤ë¤È¤­¤Ë¡¢Å¬ÀÚ¤Ê jar ¥Õ¥¡¥¤¥ë¤¬¥À¥¦¥ó¥í¡¼¥É¤µ¤ì¤Þ¤¹¡£  

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JAR Files @

http://java.sun.com/docs/books/tutorial/jar/

JRE ³«È¯¼Ô¸þ¤±¥Î¡¼¥È @

http://java.sun.com/j2se/1.3/ja/runtime.html#example (http://java.sun.com/j2se/1.3/runtime.html#example ¡§±Ñ¸ìÈÇ)

JAR ¥¬¥¤¥É @

http://java.sun.com/j2se/1.3/ja/docs/ja/guide/jar/index.html (http://java.sun.com/j2se/1.3/docs/guide/jar/index.html ¡§±Ñ¸ìÈÇ)

´ØÏ¢¹àÌܤξܺ٤ϡ¢°Ê²¼¤Î URL Ãæ¤Î¥µ¡¼¥Á¥ê¥ó¥¯¤ò»ÈÍѤ·¤Æ»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

http://java.sun.com/

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