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Java > Open Source Codes > org > jboss > net > protocol > vfsfile > Handler


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2006, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.net.protocol.vfsfile;
23
24 import org.jboss.virtual.VFS;
25 import org.jboss.virtual.VirtualFile;
26
27 import java.io.File JavaDoc;
28 import java.io.IOException JavaDoc;
29 import java.io.InputStream JavaDoc;
30 import java.net.URL JavaDoc;
31 import java.net.URLConnection JavaDoc;
32 import java.net.URLStreamHandler JavaDoc;
33
34 /**
35  * URLStreamHandler for VFS
36  *
37  * @author <a HREF="bill@jboss.com">Bill Burke</a>
38  * @version $Revision: 1.1 $
39  */
40 public class Handler extends URLStreamHandler JavaDoc
41 {
42
43    protected URLConnection JavaDoc openConnection(URL JavaDoc u) throws IOException JavaDoc
44    {
45       String JavaDoc file = u.toString().substring(8); // strip out vfsfile:
46 File fp = new File(file);
47
48       File parent = fp;
49       File curr = fp;
50       String JavaDoc relative = fp.getName();
51       while ((curr = curr.getParentFile()) != null)
52       {
53          parent = curr;
54          if (parent.getParentFile() != null) relative = parent.getName() + "/" + relative;
55       }
56
57       URL JavaDoc url = parent.toURL();
58
59       VFS vfs = VFS.getVFS(url);
60       VirtualFile vf = vfs.findChild(relative);
61
62
63       return new VirtualFileURLConnection(url, vf);
64    }
65
66
67    public static void main(String JavaDoc[] args) throws Exception JavaDoc
68    {
69       System.setProperty("java.protocol.handler.pkgs", "org.jboss.net.protocol");
70       //URL url = new URL("vfsfile:/c:/tmp/urlstream.java");
71 //URL url = new URL("vfsfile:/C:\\jboss\\jboss-head\\build\\output\\jboss-5.0.0.Beta\\server\\default\\lib\\jboss.jar\\schema\\xml.xsd");
72 URL JavaDoc url = new URL JavaDoc("vfsfile:/c:/tmp/parent.jar/foo.jar/urlstream.java");
73       InputStream JavaDoc is = url.openStream();
74       while (is.available() != 0)
75       {
76          System.out.print((char)is.read());
77       }
78       is.close();
79
80    }
81 }
82
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