| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.vfs2.provider.jar; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.JarURLConnection; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.security.cert.Certificate; |
| import java.util.jar.Attributes; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.Manifest; |
| |
| import org.apache.commons.vfs2.FileContent; |
| import org.apache.commons.vfs2.FileSystemException; |
| |
| /** |
| * A default URL connection that will work for most file systems. |
| */ |
| public class JarURLConnectionImpl |
| extends JarURLConnection |
| { |
| // This is because JarURLConnection SUCKS |
| private static final String HACK_URL = "jar:http://somehost/somejar.jar!/"; |
| |
| private final FileContent content; |
| private final URL parentURL; |
| private final JarFileObject file; |
| private final String entryName; |
| |
| public JarURLConnectionImpl(final JarFileObject file, final FileContent content) |
| throws MalformedURLException, FileSystemException |
| { |
| //This is because JarURLConnection SUCKS!! |
| super(new URL(HACK_URL)); |
| |
| this.url = file.getURL(); |
| this.content = content; |
| this.parentURL = file.getURL(); |
| this.entryName = file.getName().getPath(); |
| this.file = file; |
| } |
| |
| |
| @Override |
| public URL getJarFileURL() |
| { |
| return parentURL; |
| } |
| |
| |
| @Override |
| public String getEntryName() |
| { |
| return entryName; |
| } |
| |
| |
| @Override |
| public JarFile getJarFile() throws IOException |
| { |
| throw new FileSystemException("vfs.provider.jar/jar-file-no-access.error"); |
| } |
| |
| |
| @Override |
| public Manifest getManifest() throws IOException |
| { |
| return file.getManifest(); |
| } |
| |
| |
| @Override |
| public JarEntry getJarEntry() throws IOException |
| { |
| throw new FileSystemException("vfs.provider.jar/jar-entry-no-access.error"); |
| } |
| |
| |
| @Override |
| public Attributes getAttributes() throws IOException |
| { |
| return file.getAttributes(); |
| } |
| |
| |
| @Override |
| public Certificate[] getCertificates() |
| { |
| return file.doGetCertificates(); |
| } |
| |
| |
| @Override |
| public void connect() |
| { |
| connected = true; |
| } |
| |
| @Override |
| public InputStream getInputStream() |
| throws IOException |
| { |
| return content.getInputStream(); |
| } |
| |
| @Override |
| public OutputStream getOutputStream() |
| throws IOException |
| { |
| return content.getOutputStream(); |
| } |
| |
| @Override |
| public int getContentLength() |
| { |
| try |
| { |
| return (int) content.getSize(); |
| } |
| catch (final FileSystemException ignored) |
| { |
| return -1; |
| } |
| } |
| |
| } |