1. Project Clover database Sat Feb 2 2019 06:45:20 CET
  2. Package org.xwiki.classloader.internal

File ExtendedURLStreamHandlerFactory.java

 

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Classes

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ExtendedURLStreamHandlerFactory 41 5 0% 2 0
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Contributing tests

This file is covered by 61 tests. .

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1    /*
2    * See the NOTICE file distributed with this work for additional
3    * information regarding copyright ownership.
4    *
5    * This is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU Lesser General Public License as
7    * published by the Free Software Foundation; either version 2.1 of
8    * the License, or (at your option) any later version.
9    *
10    * This software is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13    * Lesser General Public License for more details.
14    *
15    * You should have received a copy of the GNU Lesser General Public
16    * License along with this software; if not, write to the Free
17    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
19    */
20    package org.xwiki.classloader.internal;
21   
22    import java.net.URLStreamHandler;
23    import java.net.URLStreamHandlerFactory;
24   
25    import javax.inject.Inject;
26    import javax.inject.Singleton;
27   
28    import org.xwiki.classloader.ExtendedURLStreamHandler;
29    import org.xwiki.component.annotation.Component;
30    import org.xwiki.component.manager.ComponentLookupException;
31    import org.xwiki.component.manager.ComponentManager;
32   
33    /**
34    * Stream handler factory that uses components to lookup stream handler for protocols.
35    *
36    * @version $Id: 142f2a8bd601c162ba7e6fc77f19371e0651a3a5 $
37    * @since 2.0.1
38    */
39    @Component(roles = { URLStreamHandlerFactory.class })
40    @Singleton
 
41    public class ExtendedURLStreamHandlerFactory implements URLStreamHandlerFactory
42    {
43    /**
44    * To dynamically lookup stream handler components.
45    */
46    @Inject
47    private ComponentManager componentManager;
48   
 
49  47286 toggle @Override
50    public URLStreamHandler createURLStreamHandler(String protocol)
51    {
52  47512 ExtendedURLStreamHandler result;
53  47609 try {
54  47581 result = this.componentManager.getInstance(ExtendedURLStreamHandler.class, protocol);
55    } catch (ComponentLookupException cle) {
56    // No special protocol handler found, return null since code using this factory
57    // should know how to deal when no protocol handler is found.
58  10 result = null;
59    }
60   
61    // All implementations of ExtendedURLStreamHandler must also extend URLStreamHandler
62    // Note: we could make ExtendedURLStreamHandler extend URLStreamHandler since URLStreamHandler
63    // is an abstract class and not an interface...
64  47317 return (URLStreamHandler) result;
65    }
66    }