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Java > Open Source Codes > org > pdfbox > pdmodel > PDDestinationNameTreeNode


1 /**
2  * Copyright (c) 2005-2006, www.pdfbox.org
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. Neither the name of pdfbox; nor the names of its
14  * contributors may be used to endorse or promote products derived from this
15  * software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * http://www.pdfbox.org
29  *
30  */
31 package org.pdfbox.pdmodel;
32
33 import java.io.IOException JavaDoc;
34
35 import org.pdfbox.cos.COSBase;
36 import org.pdfbox.cos.COSDictionary;
37 import org.pdfbox.pdmodel.common.PDNameTreeNode;
38 import org.pdfbox.pdmodel.interactive.documentnavigation.destination.PDDestination;
39 import org.pdfbox.pdmodel.interactive.documentnavigation.destination.PDPageDestination;
40
41 /**
42  * This class holds all of the name trees that are available at the document level.
43  *
44  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
45  * @version $Revision: 1.2 $
46  */
47 public class PDDestinationNameTreeNode extends PDNameTreeNode
48 {
49     /**
50      * Constructor.
51      */
52     public PDDestinationNameTreeNode()
53     {
54         super( PDPageDestination.class );
55     }
56     
57     /**
58      * Constructor.
59      *
60      * @param dic The COS dictionary.
61      */
62     public PDDestinationNameTreeNode( COSDictionary dic )
63     {
64         super( dic, PDPageDestination.class );
65     }
66     
67     /**
68      * {@inheritDoc}
69      */
70     protected Object JavaDoc convertCOSToPD( COSBase base ) throws IOException JavaDoc
71     {
72         COSBase destination = base;
73         if( base instanceof COSDictionary )
74         {
75             //the destination is sometimes stored in the D dictionary
76 //entry instead of being directly an array, so just dereference
77 //it for now
78 destination = ((COSDictionary)base).getDictionaryObject( "D" );
79         }
80         return PDDestination.create( destination );
81     }
82     
83     /**
84      * {@inheritDoc}
85      */
86     protected PDNameTreeNode createChildNode( COSDictionary dic )
87     {
88         return new PDDestinationNameTreeNode(dic);
89     }
90 }
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