001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.xbean.classloader; 018 019 import java.util.jar.Manifest; 020 import java.util.jar.JarFile; 021 import java.util.jar.JarEntry; 022 import java.net.URL; 023 import java.net.MalformedURLException; 024 import java.io.IOException; 025 026 /** 027 * @version $Rev: 437551 $ $Date: 2006-08-28 08:14:47 +0200 (Mon, 28 Aug 2006) $ 028 */ 029 public class JarResourceLocation extends AbstractUrlResourceLocation { 030 private final JarFile jarFile; 031 032 public JarResourceLocation(URL codeSource, JarFile jarFile) { 033 super(codeSource); 034 this.jarFile = jarFile; 035 } 036 037 public ResourceHandle getResourceHandle(String resourceName) { 038 JarEntry jarEntry = jarFile.getJarEntry(resourceName); 039 if (jarEntry != null) { 040 try { 041 URL url = new URL(getCodeSource(), resourceName); 042 return new JarResourceHandle(jarFile, jarEntry, getCodeSource()); 043 } catch (MalformedURLException e) { 044 } 045 } 046 return null; 047 } 048 049 public Manifest getManifest() throws IOException { 050 return jarFile.getManifest(); 051 } 052 053 public void close() { 054 IoUtil.close(jarFile); 055 } 056 }