1 /** 2 * 3 * Copyright 2005 The Apache Software Foundation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.geronimo.kernel.classloader; 18 19 import java.util.jar.Manifest; 20 import java.util.jar.JarFile; 21 import java.util.jar.JarEntry; 22 import java.net.URL; 23 import java.net.MalformedURLException; 24 import java.io.IOException; 25 26 /** 27 * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $ 28 */ 29 public class JarResourceLocation extends AbstractUrlResourceLocation { 30 private final JarFile jarFile; 31 32 public JarResourceLocation(URL codeSource, JarFile jarFile) { 33 super(codeSource); 34 this.jarFile = jarFile; 35 } 36 37 public ResourceHandle getResourceHandle(String resourceName) { 38 JarEntry jarEntry = jarFile.getJarEntry(resourceName); 39 if (jarEntry != null) { 40 try { 41 URL url = new URL(getCodeSource(), resourceName); 42 return new JarResourceHandle(jarFile, jarEntry, getCodeSource()); 43 } catch (MalformedURLException e) { 44 } 45 } 46 return null; 47 } 48 49 public Manifest getManifest() throws IOException { 50 return jarFile.getManifest(); 51 } 52 53 public void close() { 54 IoUtil.close(jarFile); 55 } 56 }