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1   package org.apache.maven.plugins.ejb;
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.util.Collections;
23  import java.util.List;
24  
25  /**
26   * @author <a href="mailto:khmarbaise@apache.org">Karl Heinz Marbaise</a>
27   */
28  public class IncludesExcludes
29  {
30      private List<String> includes;
31  
32      private List<String> defaultIncludes;
33  
34      private List<String> excludes;
35  
36      private List<String> defaultExcludes;
37  
38      public IncludesExcludes( List<String> includes, List<String> excludes, List<String> defaultIncludes,
39                               List<String> defaultExcludes )
40      {
41          this.includes = makeNonNullList( includes );
42          this.excludes = makeNonNullList( excludes );
43          this.defaultIncludes = makeNonNullList( defaultIncludes );
44          this.defaultExcludes = makeNonNullList( defaultExcludes );
45      }
46  
47      public String[] resultingIncludes()
48      {
49          return resultingXcludes( includes, defaultIncludes );
50      }
51  
52      public String[] resultingExcludes()
53      {
54          return resultingXcludes( excludes, defaultExcludes );
55      }
56  
57      private static String[] resultingXcludes( List<String> currentXcludes, List<String> defaultXcludes )
58      {
59          if ( currentXcludes.isEmpty() )
60          {
61              return defaultXcludes.toArray( new String[0] );
62          }
63          else
64          {
65              return currentXcludes.toArray( new String[0] );
66          }
67      }
68  
69      private List<String> makeNonNullList( List<String> in )
70      {
71          if ( in == null )
72          {
73              return Collections.<String>emptyList();
74          }
75          else
76          {
77              return in;
78          }
79      }
80  
81  }