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1   package org.codehaus.mojo.natives.manager;
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.mojo.natives.javah.Javah;
28  
29  import org.codehaus.plexus.logging.AbstractLogEnabled;
30  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
31  
32  import java.util.HashMap;
33  import java.util.Map;
34  import org.codehaus.plexus.component.annotations.Component;
35  import org.codehaus.plexus.component.annotations.Requirement;
36  
37  @Component(role = JavahManager.class, hint = "native-javah-provider-manager")
38  public class DefaultJavahManager
39      extends AbstractLogEnabled
40      implements JavahManager, Initializable
41  {
42      @Requirement(role = Javah.class)
43      private Map providers;
44  
45      // ----------------------------------------------------------------------
46      // Component Lifecycle
47      // ----------------------------------------------------------------------
48  
49      public void initialize()
50      {
51          if ( providers == null )
52          {
53              providers = new HashMap();
54          }
55  
56          if ( providers.size() == 0 )
57          {
58              getLogger().warn( "No linker providers configured." );
59          }
60      }
61  
62      public Javah getJavah( String providerType )
63          throws NoSuchNativeProviderException
64      {
65          Javah provider = (Javah) providers.get( providerType );
66  
67          if ( provider == null )
68          {
69              throw new NoSuchNativeProviderException( providerType );
70          }
71  
72          return provider;
73      }
74  }