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 */
017package org.apache.xbean.classloader;
018
019import java.util.jar.JarFile;
020import java.util.jar.JarEntry;
021import java.util.jar.Manifest;
022import java.util.jar.Attributes;
023import java.net.URL;
024import java.net.MalformedURLException;
025import java.io.InputStream;
026import java.io.IOException;
027import java.security.cert.Certificate;
028
029/**
030 * @version $Rev: 437551 $ $Date: 2006-08-28 08:14:47 +0200 (Mon, 28 Aug 2006) $
031 */
032public 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}