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1   package org.apache.maven.shared.io.scan;
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 org.apache.maven.shared.io.scan.mapping.SourceMapping;
23  import org.codehaus.plexus.util.DirectoryScanner;
24  
25  import java.io.File;
26  import java.util.ArrayList;
27  import java.util.Collections;
28  import java.util.List;
29  import java.util.Set;
30  
31  /**
32   * @author jdcasey
33   * @version $Id: AbstractResourceInclusionScanner.java 595935 2007-11-17 11:39:34Z vsiveton $
34   */
35  public abstract class AbstractResourceInclusionScanner
36      implements ResourceInclusionScanner
37  {
38      private final List sourceMappings = new ArrayList();
39  
40      public final void addSourceMapping( SourceMapping sourceMapping )
41      {
42          sourceMappings.add( sourceMapping );
43      }
44  
45      protected final List getSourceMappings()
46      {
47          return Collections.unmodifiableList( sourceMappings );
48      }
49  
50      protected String[] scanForSources( File sourceDir, Set sourceIncludes, Set sourceExcludes )
51      {
52          DirectoryScanner ds = new DirectoryScanner();
53          ds.setFollowSymlinks( true );
54          ds.setBasedir( sourceDir );
55  
56          String[] includes;
57          if ( sourceIncludes.isEmpty() )
58          {
59              includes = new String[0];
60          }
61          else
62          {
63              includes = (String[]) sourceIncludes.toArray( new String[sourceIncludes.size()] );
64          }
65  
66          ds.setIncludes( includes );
67  
68          String[] excludes;
69          if ( sourceExcludes.isEmpty() )
70          {
71              excludes = new String[0];
72          }
73          else
74          {
75              excludes = (String[]) sourceExcludes.toArray( new String[sourceExcludes.size()] );
76          }
77  
78          ds.setExcludes( excludes );
79          ds.addDefaultExcludes();
80  
81          ds.scan();
82  
83          return ds.getIncludedFiles();
84      }
85  }