| /** |
| * |
| * 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.felix.fileinstall.internal; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PipedInputStream; |
| import java.io.PipedOutputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| |
| import org.osgi.service.url.AbstractURLStreamHandlerService; |
| |
| /** |
| * A URL handler that can jar a directory on the fly |
| */ |
| public class JarDirUrlHandler extends AbstractURLStreamHandlerService |
| { |
| |
| public static final String PROTOCOL = "jardir"; |
| |
| private static final String SYNTAX = PROTOCOL + ": file"; |
| |
| /** |
| * Open the connection for the given URL. |
| * |
| * @param url the url from which to open a connection. |
| * @return a connection on the specified URL. |
| * @throws java.io.IOException if an error occurs or if the URL is malformed. |
| */ |
| public URLConnection openConnection(URL url) throws IOException |
| { |
| if (url.getPath() == null || url.getPath().trim().length() == 0) |
| { |
| throw new MalformedURLException("Path can not be null or empty. Syntax: " + SYNTAX ); |
| } |
| return new Connection(url); |
| } |
| |
| public class Connection extends URLConnection |
| { |
| |
| public Connection(URL url) |
| { |
| super(url); |
| } |
| |
| public void connect() throws IOException |
| { |
| } |
| |
| public InputStream getInputStream() throws IOException |
| { |
| try |
| { |
| final PipedOutputStream pos = new PipedOutputStream(); |
| final PipedInputStream pis = new PipedInputStream(pos); |
| new Thread() |
| { |
| public void run() |
| { |
| try |
| { |
| Util.jarDir(new File(getURL().getPath()), pos); |
| } |
| catch (IOException e) |
| { |
| try |
| { |
| pos.close(); |
| } |
| catch (IOException e2) |
| { |
| // Ignore |
| } |
| } |
| } |
| }.start(); |
| return pis; |
| } |
| catch (Exception e) |
| { |
| throw (IOException) new IOException("Error opening spring xml url").initCause(e); |
| } |
| } |
| } |
| |
| } |