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Java > Open Source Codes > org > apache > poi > hwpf > model > ListData


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.hwpf.model;
20
21 import org.apache.poi.util.BitField;
22 import org.apache.poi.util.LittleEndian;
23
24 import java.util.Arrays JavaDoc;
25
26 public class ListData
27 {
28   private int _lsid;
29   private int _tplc;
30   private short[] _rgistd;
31   private byte _info;
32     private static BitField _fSimpleList = new BitField(0x1);
33     private static BitField _fRestartHdn = new BitField(0x2);
34   private byte _reserved;
35   ListLevel[] _levels;
36
37   public ListData(int listID, boolean numbered)
38   {
39     _lsid = listID;
40     _rgistd = new short[9];
41
42     for (int x = 0; x < 9; x++)
43     {
44       _rgistd[x] = StyleSheet.NIL_STYLE;
45     }
46
47     _levels = new ListLevel[9];
48
49     for (int x = 0; x < _levels.length; x++)
50     {
51       _levels[x] = new ListLevel(x, numbered);
52     }
53   }
54
55   ListData(byte[] buf, int offset)
56   {
57     _lsid = LittleEndian.getInt(buf, offset);
58     offset += LittleEndian.INT_SIZE;
59     _tplc = LittleEndian.getInt(buf, offset);
60     offset += LittleEndian.INT_SIZE;
61     _rgistd = new short[9];
62     for (int x = 0; x < 9; x++)
63     {
64       _rgistd[x] = LittleEndian.getShort(buf, offset);
65       offset += LittleEndian.SHORT_SIZE;
66     }
67     _info = buf[offset++];
68     _reserved = buf[offset];
69     if (_fSimpleList.getValue(_info) > 0)
70     {
71       _levels = new ListLevel[1];
72     }
73     else
74     {
75       _levels = new ListLevel[9];
76     }
77
78   }
79
80   public int getLsid()
81   {
82     return _lsid;
83   }
84
85   public int numLevels()
86   {
87     return _levels.length;
88   }
89
90   public void setLevel(int index, ListLevel level)
91   {
92     _levels[index] = level;
93   }
94
95   public ListLevel[] getLevels()
96   {
97     return _levels;
98   }
99
100   /**
101    * Gets the level associated to a particular List at a particular index.
102    *
103    * @param index 1-based index
104    * @return a list level
105    */
106   public ListLevel getLevel(int index)
107   {
108     return _levels[index - 1];
109   }
110
111   public int getLevelStyle(int index)
112   {
113     return _rgistd[index];
114   }
115
116   public void setLevelStyle(int index, int styleIndex)
117   {
118     _rgistd[index] = (short)styleIndex;
119   }
120
121   public boolean equals(Object JavaDoc obj)
122   {
123     if (obj == null)
124     {
125       return false;
126     }
127
128     ListData lst = (ListData)obj;
129     return lst._info == _info && Arrays.equals(lst._levels, _levels) &&
130       lst._lsid == _lsid && lst._reserved == _reserved && lst._tplc == _tplc &&
131       Arrays.equals(lst._rgistd, _rgistd);
132   }
133
134   int resetListID()
135   {
136     _lsid = (int)(Math.random() * (double)System.currentTimeMillis());
137     return _lsid;
138   }
139
140   public byte[] toByteArray()
141   {
142     byte[] buf = new byte[28];
143     int offset = 0;
144     LittleEndian.putInt(buf, _lsid);
145     offset += LittleEndian.INT_SIZE;
146     LittleEndian.putInt(buf, offset, _tplc);
147     offset += LittleEndian.INT_SIZE;
148     for (int x = 0; x < 9; x++)
149     {
150       LittleEndian.putShort(buf, offset, _rgistd[x]);
151       offset += LittleEndian.SHORT_SIZE;
152     }
153     buf[offset++] = _info;
154     buf[offset] = _reserved;
155     return buf;
156   }
157 }
158
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