package?sample;

import?javassist.*;

/*
???A?very?simple?sample?program

???This?program?overwrites?sample/Test.class?（the?class?file?of?this
???class?itself）?for?adding?a?method?g（）.??If?the?method?g（）?is?not
???defined?in?class?Test?then?this?program?adds?a?copy?of
???f（）?to?the?class?Test?with?name?g（）.??Otherwise?this?program?does
???not?modify?sample/Test.class?at?all.

???To?see?the?modified?class?definition?execute:

???%?javap?sample.Test

???after?running?this?program.
*/
public?class?Test?{
????public?int?f（int?i）?{
	return?i?+?1;
????}

????public?static?void?main（String[]?args）?throws?Exception?{
	ClassPool?pool?=?ClassPool.getDefault（）;

	CtClass?cc?=?pool.get（“sample.Test“）;
	try?{
	????cc.getDeclaredMethod（“g“）;
	????System.out.println（“g（）?is?already?defined?in?sample.Test.“）;
	}
	catch?（NotFoundException?e）?{
	????/*?getDeclaredMethod（）?throws?an?exception?if?g（）
	?????*?is?not?defined?in?sample.Test.
	?????*/
	????CtMethod?fMethod?=?cc.getDeclaredMethod（“f“）;
	????CtMethod?gMethod?=?CtNewMethod.copy（fMethod?“g“?cc?null）;
	????cc.addMethod（gMethod）;
	????cc.writeFile（）;	//?update?the?class?file
	????System.out.println（“g（）?was?added.“）;
	}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\
?????文件?????????103??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\.gitignore
?????文件???????25890??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\License.html
?????文件????????1453??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\README.md
?????文件???????26910??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\Readme.html
?????文件???????10734??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\build.xml
?????文件??????725035??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\javassist.jar
?????文件????????9834??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\pom.xml
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\
?????文件????????1190??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\Test.java
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\duplicate\
?????文件?????????844??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\duplicate\Ball.java
?????文件?????????993??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\duplicate\Duplicatedobject.java
?????文件????????1774??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\duplicate\Main.java
?????文件????????1737??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\duplicate\Viewer.java
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\
?????文件?????????309??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\CannotCreateException.java
?????文件?????????301??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\CannotUpdateException.java
?????文件????????1246??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\DemoLoader.java
?????文件????????2959??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\DemoServer.java
?????文件????????6846??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\Evolution.java
?????文件?????????248??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\Sample.java
?????文件????????2844??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\VersionManager.java
?????文件?????????429??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\WebPage.java
?????文件????????1778??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\demo.html
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\sample\
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\sample\evolve\
?????文件?????????560??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\sample\evolve\WebPage.java
?????文件?????????667??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\start.html
?????文件?????????107??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\evolve\update.html
?????目錄???????????0??2015-12-07?15:28??jboss-javassist-javassist-ccddf79\sample\hotswap\
............此處省略613個文件信息