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.geronimo.kernel.classloader;
018    
019    import java.util.jar.JarFile;
020    import java.util.jar.JarEntry;
021    import java.util.jar.Manifest;
022    import java.util.jar.Attributes;
023    import java.net.URL;
024    import java.net.MalformedURLException;
025    import java.io.InputStream;
026    import java.io.IOException;
027    import java.security.cert.Certificate;
028    
029    /**
030     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
031     */
032    public class JarResourceHandle extends AbstractResourceHandle {
033        private final JarFile jarFile;
034        private final JarEntry jarEntry;
035        private final URL url;
036        private final URL codeSource;
037    
038        public JarResourceHandle(JarFile jarFile, JarEntry jarEntry, URL codeSource) throws MalformedURLException {
039            this.jarFile = jarFile;
040            this.jarEntry = jarEntry;
041            this.url = JarFileUrlStreamHandler.createUrl(jarFile, jarEntry, codeSource);
042            this.codeSource = codeSource;
043        }
044    
045        public String getName() {
046            return jarEntry.getName();
047        }
048    
049        public URL getUrl() {
050            return url;
051        }
052    
053        public URL getCodeSourceUrl() {
054            return codeSource;
055        }
056    
057        public boolean isDirectory() {
058            return jarEntry.isDirectory();
059        }
060    
061        public InputStream getInputStream() throws IOException {
062            return jarFile.getInputStream(jarEntry);
063        }
064    
065        public int getContentLength() {
066            return (int) jarEntry.getSize();
067        }
068    
069        public Manifest getManifest() throws IOException {
070            return jarFile.getManifest();
071        }
072    
073        public Attributes getAttributes() throws IOException {
074            return jarEntry.getAttributes();
075        }
076    
077        public Certificate[] getCertificates() {
078            return jarEntry.getCertificates();
079        }
080    }