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Java > Open Source Codes > org > apache > poi > poifs > property > RootProperty


1
2 /* ====================================================================
3    Copyright 2002-2004 Apache Software Foundation
4
5    Licensed under the Apache License, Version 2.0 (the "License");
6    you may not use this file except in compliance with the License.
7    You may obtain a copy of the License at
8
9        http://www.apache.org/licenses/LICENSE-2.0
10
11    Unless required by applicable law or agreed to in writing, software
12    distributed under the License is distributed on an "AS IS" BASIS,
13    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14    See the License for the specific language governing permissions and
15    limitations under the License.
16 ==================================================================== */
17         
18
19 package org.apache.poi.poifs.property;
20
21 import java.util.*;
22
23 import java.io.IOException JavaDoc;
24
25 import org.apache.poi.poifs.common.POIFSConstants;
26 import org.apache.poi.poifs.storage.SmallDocumentBlock;
27
28 /**
29  * Root property
30  *
31  * @author Marc Johnson (mjohnson at apache dot org)
32  */
33
34 public class RootProperty
35     extends DirectoryProperty
36 {
37
38     /**
39      * Default constructor
40      */
41
42     RootProperty()
43     {
44         super("Root Entry");
45
46         // overrides
47 setNodeColor(_NODE_BLACK);
48         setPropertyType(PropertyConstants.ROOT_TYPE);
49         setStartBlock(POIFSConstants.END_OF_CHAIN);
50     }
51
52     /**
53      * reader constructor
54      *
55      * @param index index number
56      * @param array byte data
57      * @param offset offset into byte data
58      */
59
60     protected RootProperty(final int index, final byte [] array,
61                            final int offset)
62     {
63         super(index, array, offset);
64     }
65
66     /**
67      * set size
68      *
69      * @param size size in terms of small blocks
70      */
71
72     public void setSize(int size)
73     {
74         super.setSize(SmallDocumentBlock.calcSize(size));
75     }
76 } // end public class RootProperty
77
78
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