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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.directory.server.xdbm.tools;
21  
22  
23  import org.apache.directory.server.xdbm.Index;
24  import org.apache.directory.server.xdbm.IndexCursor;
25  import org.apache.directory.server.core.entry.ServerEntry;
26  
27  import java.io.OutputStream;
28  import java.io.PrintStream;
29  
30  
31  /**
32   * Utility methods for Index objects.
33   *
34   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
35   * @version $$Rev$$
36   */
37  public class IndexUtils
38  {
39      public static void printContents( Index<?, ServerEntry> idx ) throws Exception
40      {
41          printContents( idx, System.out );    
42      }
43  
44  
45      public static void printContents( Index<?, ServerEntry> idx, OutputStream outputStream ) throws Exception
46      {
47          PrintStream out;
48  
49          if ( outputStream == null )
50          {
51              out = System.out;
52          }
53          else if ( outputStream instanceof PrintStream )
54          {
55              out = ( PrintStream ) outputStream;
56          }
57          else
58          {
59              out = new PrintStream( outputStream );
60          }
61  
62          IndexCursor<?, ServerEntry> cursor = idx.forwardCursor();
63          cursor.first();
64          for ( Object entry : cursor )
65          {
66              out.println( entry );
67          }
68      }
69  }