java文件整理(四)--jar文件操作

package com.tw.jarfile; import java.io.IOException; import java.net.JarURLConnection; import java.net.URL; import java.util.Enumeration; import java.util.Map; import java.util.Map.Entry; import java.util.jar.Attributes; import java.util.jar.JarEntry; import java.util.jar.JarFile; import java.util.jar.Manifest; /** * <p>jar文件操作</p>��jar���л�������ļ� * @author tw 2010-05-09 * */ public class Fuk { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub try { JarFile j = new JarFile("E:/prj_wangwin/prj_admin_bak/alliance/WEB-INF/lib/axis.jar"); Enumeration<JarEntry> entries = j.entries(); while (entries.hasMoreElements()) { JarEntry je = entries.nextElement(); System.out.println(je.getName()); } System.out.println(); Manifest manifest = j.getManifest(); Attributes mainAttributes = manifest.getMainAttributes(); for (Entry<Object, Object> e : mainAttributes.entrySet()) { System.out.println(e.getKey() + ":" + e.getValue()); } System.out.println(); System.out.println(); System.out.println(); Map<String, Attributes> entries2 = manifest.getEntries(); for (Entry<String, Attributes> e : entries2.entrySet()) { System.out.println(e.getKey() + ":" + e.getValue()); } System.out.println(); URL url = new URL("jar:file:/E:/prj_wangwin/prj_admin_bak/alliance/WEB-INF/lib/axis.jar!/"); JarURLConnection jarConnection = (JarURLConnection) url .openConnection(); Manifest m = jarConnection.getManifest(); Attributes aaa = m.getMainAttributes(); for (Entry<Object, Object> e : aaa.entrySet()) { System.out.println(e.getKey() + ":" + e.getValue()); } System.out.println(); System.out.println(); System.out.println(); } catch (IOException e) { e.printStackTrace(); } } }