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1   package org.codehaus.plexus.resource.loader;
2   
3   /*
4    * The MIT License
5    *
6    * Copyright (c) 2004, The Codehaus
7    *
8    * Permission is hereby granted, free of charge, to any person obtaining a copy of
9    * this software and associated documentation files (the "Software"), to deal in
10   * the Software without restriction, including without limitation the rights to
11   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12   * of the Software, and to permit persons to whom the Software is furnished to do
13   * so, subject to the following conditions:
14   *
15   * The above copyright notice and this permission notice shall be included in all
16   * copies or substantial portions of the Software.
17   *
18   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24   * SOFTWARE.
25   */
26  
27  import org.codehaus.plexus.logging.AbstractLogEnabled;
28  import org.codehaus.plexus.resource.PlexusResource;
29  
30  import java.io.IOException;
31  import java.io.InputStream;
32  import java.util.List;
33  import java.util.ArrayList;
34  
35  /**
36   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
37   * @version $Id$
38   */
39  public abstract class AbstractResourceLoader
40      extends AbstractLogEnabled
41      implements ResourceLoader
42  {
43      /** @configuration */
44      protected List paths = new ArrayList();
45  
46      public void addSearchPath( String path )
47      {
48          if ( !paths.contains( path ) )
49          {
50              paths.add( path );
51          }
52      }
53  
54      public InputStream getResourceAsInputStream( String name )
55          throws ResourceNotFoundException
56      {
57          PlexusResource resource = getResource( name );
58          try
59          {
60              return resource.getInputStream();
61          }
62          catch ( IOException e )
63          {
64              throw new ResourceIOException( "Failed to open resource " + resource.getName() + ": " + e.getMessage(), e );
65          }
66      }
67  }