1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. 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.commons.vfs.impl;
18
19 import java.io.IOException;
20 import java.net.MalformedURLException;
21 import java.net.URL;
22 import java.net.URLConnection;
23 import java.net.URLStreamHandler;
24
25 /***
26 * A proxy for URLs that are supported by the standard stream handler factory.
27 *
28 * @author <a href="mailto:brian@mmmanager.org">Brian Olsen</a>
29 * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
30 */
31 class URLStreamHandlerProxy
32 extends URLStreamHandler
33 {
34 protected URLConnection openConnection(final URL url)
35 throws IOException
36 {
37 final URL proxyURL = new URL(url.toExternalForm());
38 return proxyURL.openConnection();
39 }
40
41 protected void parseURL(final URL u,
42 final String spec,
43 final int start,
44 final int limit)
45 {
46 try
47 {
48 final URL url = new URL(u, spec);
49 setURL(u, url.getProtocol(), url.getHost(),
50 url.getPort(), url.getAuthority(), url.getUserInfo(),
51 url.getFile(), url.getQuery(), url.getRef());
52 }
53 catch (MalformedURLException mue)
54 {
55 //We retrow this as a simple runtime exception.
56 //It is retrown in URL as a MalformedURLException anyway.
57 throw new RuntimeException(mue.getMessage());
58 }
59 }
60 }