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Java > Open Source Codes > com > imagero > uio > buffer > MutableRABufferManager


1 /*
2  * Copyright (c) Andrey Kuznetsov. All Rights Reserved.
3  *
4  * http://uio.imagero.com
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * o Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * o Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * o Neither the name of imagero Andrei Kouznetsov nor the names of
17  * its contributors may be used to endorse or promote products derived
18  * from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
29  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package com.imagero.uio.buffer;
33
34 import com.imagero.uio.RandomAccess;
35 import com.imagero.uio.RandomAccessRO;
36
37 import java.io.IOException JavaDoc;
38
39 /**
40  * @author Andrei Kouznetsov
41  * @see HTTPBuffer
42  * <br>
43  * Date: 12.11.2003
44  * Time: 12:45:21
45  */
46 public class MutableRABufferManager extends RABufferManager implements MutableBufferManager {
47
48     /**
49      * create MutableBuffer over RandomAccessRO (with standard Buffer length of 50k)
50      *
51      * @see RABufferRO
52      */
53     public MutableRABufferManager(RandomAccess ra, long offset, int length) {
54         this(ra, offset, length, defaultBufferSize);
55     }
56
57     /**
58      * create MutableBuffer for RandomAccessRO
59      *
60      * @param dsLength standard length of one data block of Buffer
61      *
62      * @see RABufferRO
63      */
64     public MutableRABufferManager(RandomAccess ra, long offset, int length, int dsLength) {
65         super(ra, offset, length, dsLength);
66     }
67
68     protected RABufferRO createBuffer(RandomAccessRO ro, long offset, int dsLength) {
69         return new RABuffer((RandomAccess) ro, offset, dsLength);
70     }
71
72
73     public void clear() {
74         try {
75             flush();
76         }
77         catch (IOException JavaDoc ex) {
78             ex.printStackTrace();
79         }
80         super.clear();
81     }
82 }
83
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