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1   package org.apache.maven.plugin.resources.remote;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.net.URLClassLoader;
23  import java.net.URL;
24  
25  /**
26   * @author Jason van Zyl
27   */
28  public class RemoteResourcesClassLoader
29      extends URLClassLoader
30  {
31      public RemoteResourcesClassLoader( ClassLoader parent )
32      {
33          super( new URL[]{} , parent );
34      }
35  
36      public void addURL( URL url )
37      {
38          super.addURL( url );
39      }
40      
41      // don't check the parents for the resources.   Just check the jars
42      // that we have provided.   Thus, we don't pull junk from the
43      // system classpath jars and stuff instead of the jars
44      // we specifically provided
45      public URL getResource( String name ) 
46      {
47          URL url = findResource( name );
48          if ( url == null )
49          {
50              url = super.getResource( name );
51          }
52          return url;
53      }
54      
55  }