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Java > Open Source Codes > org > jboss > virtual > plugins > context > jar > JarContextFactory


1 /*
2  * JBoss, Home of Professional Open Source
3  * Copyright 2005, 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.virtual.plugins.context.jar;
23
24 import java.io.IOException JavaDoc;
25 import java.net.MalformedURLException JavaDoc;
26 import java.net.URI JavaDoc;
27 import java.net.URISyntaxException JavaDoc;
28 import java.net.URL JavaDoc;
29
30 import org.jboss.virtual.spi.VFSContext;
31 import org.jboss.virtual.spi.VFSContextFactory;
32
33 /**
34  * A jar context factory
35  *
36  * @author Scott.Stark@jboss.org
37  * @author adrian@jboss.org
38  * @version $Revision: 44217 $
39  */
40 public class JarContextFactory implements VFSContextFactory
41 {
42    /** The protocols supported */
43    private static final String JavaDoc[] PROTOCOLS = { "jar" };
44
45    public String JavaDoc[] getProtocols()
46    {
47       return PROTOCOLS;
48    }
49
50    public VFSContext getVFS(URL JavaDoc root) throws IOException JavaDoc
51    {
52       try
53       {
54          return new JarContext(root);
55       }
56       catch(URISyntaxException JavaDoc e)
57       {
58          MalformedURLException JavaDoc ex = new MalformedURLException JavaDoc("non-URI compliant URL");
59          ex.initCause(e);
60          throw ex;
61       }
62    }
63    public VFSContext getVFS(URI JavaDoc root) throws IOException JavaDoc
64    {
65       try
66       {
67          return new JarContext(root.toURL());
68       }
69       catch(URISyntaxException JavaDoc e)
70       {
71          MalformedURLException JavaDoc ex = new MalformedURLException JavaDoc("non-URI compliant URL");
72          ex.initCause(e);
73          throw ex;
74       }
75    }
76 }
77
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