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


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 package org.apache.poi.hwpf.model;
19
20 import org.apache.poi.hwpf.sprm.SprmBuffer;
21
22 import java.lang.ref.SoftReference JavaDoc;
23
24 public class CachedPropertyNode
25   extends PropertyNode
26 {
27   protected SoftReference JavaDoc _propCache;
28
29   public CachedPropertyNode(int start, int end, SprmBuffer buf)
30   {
31     super(start, end, buf);
32   }
33
34   protected void fillCache(Object JavaDoc ref)
35   {
36     _propCache = new SoftReference JavaDoc(ref);
37   }
38
39   protected Object JavaDoc getCacheContents()
40   {
41     return _propCache == null ? null : _propCache.get();
42   }
43
44   /**
45    * @return This property's property in compressed form.
46    */
47   public SprmBuffer getSprmBuf()
48   {
49     return (SprmBuffer)_buf;
50   }
51
52
53 }
54
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