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1   package org.codehaus.plexus.component.configurator.converters.basic;
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.component.configurator.ComponentConfigurationException;
28  import org.codehaus.plexus.component.configurator.ConfigurationListener;
29  import org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup;
30  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
31  import org.codehaus.plexus.configuration.PlexusConfiguration;
32  
33  import java.io.File;
34  
35  /**
36   * @author <a href="mailto:brett@codehaus.org">Brett Porter</a>
37   */
38  public class FileConverter
39      extends AbstractBasicConverter
40  {
41      public boolean canConvert( Class type )
42      {
43          return type.equals( File.class );
44      }
45  
46      public Object fromString( String str )
47      {
48          str = str.replace( '\\', File.separatorChar ).replace( '/', File.separatorChar );
49          return new File( str );
50      }
51  
52      public Object fromConfiguration( ConverterLookup converterLookup, PlexusConfiguration configuration, Class type,
53                                       Class baseType, ClassLoader classLoader, ExpressionEvaluator expressionEvaluator,
54                                       ConfigurationListener listener )
55          throws ComponentConfigurationException
56      {
57          File f = (File) super.fromConfiguration( converterLookup, configuration, type, baseType, classLoader,
58                                                   expressionEvaluator, listener );
59  
60          if ( f != null )
61          {
62              // Hmmm... is this cheating? Can't think of a better way right now
63              return expressionEvaluator.alignToBaseDirectory( f );
64          }
65          else
66          {
67              return null;
68          }
69      }
70  }