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1   package org.apache.maven.scm.provider.accurev.util;
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.io.File;
23  import java.io.IOException;
24  
25  /**
26   * 
27   */
28  public class WorkspaceUtils
29  {
30      public static boolean isSameFile( File file1, String filename2 )
31      {
32          return isSameFile( file1, filename2 == null ? null : new File( filename2 ) );
33  
34      }
35  
36      //We need to canonicalise the files (if we can) before we compare them..
37      public static boolean isSameFile( File file1, File file2 )
38      {
39          
40          if ( file1 == file2 || ( file1 == null && file2 == null ) )
41          {
42              return true;
43          }
44  
45          if ( file1 == null || file2 == null )
46          {
47              return false;
48          }
49  
50          try
51          {
52              file1 = file1.getCanonicalFile();
53          }
54          catch ( IOException ioEx )
55          {
56              //Oh well, we'll compare the non-canonicalised file then.
57          }
58  
59          try
60          {
61              file2 = file2.getCanonicalFile();
62          }
63          catch ( IOException ioEx )
64          {
65              //Oh well, we'll compare the non-canonicalised file then.
66          }
67          return file1.equals( file2 );
68      }
69  
70      private WorkspaceUtils()
71      {
72          // no op only to prevents class creation
73      }
74  }