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 }