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Java > Open Source Codes > com > imagero > uio > io > LEDataOutputStream


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.io;
33
34 import java.io.ByteArrayOutputStream JavaDoc;
35 import java.io.DataOutput JavaDoc;
36 import java.io.DataOutputStream JavaDoc;
37 import java.io.FilterOutputStream JavaDoc;
38 import java.io.IOException JavaDoc;
39 import java.io.OutputStream JavaDoc;
40
41 /**
42  * LEDataOutputStream.java
43  * <br>
44  * Little-endian writing.
45  * <br>
46  * @author Kouznetsov Andrei
47  *
48  */

49 public class LEDataOutputStream extends FilterOutputStream JavaDoc implements DataOutput JavaDoc {
50
51     public LEDataOutputStream(OutputStream JavaDoc out) {
52         super(out);
53     }
54
55     public final void writeShort(int value) throws IOException JavaDoc {
56         write(value & 0xFF);
57         write((value >> 8) & 0xFF);
58     }
59
60     public final void writeChar(int value) throws IOException JavaDoc {
61         write(value & 0xFF);
62         write((value >> 8) & 0xFF);
63     }
64
65     public final void writeInt(int value) throws IOException JavaDoc {
66         write(value & 0xFF);
67         write((value >> 8) & 0xFF);
68         write((value >> 16) & 0xFF);
69         write((value >> 24) & 0xFF);
70     }
71
72     public final void writeLong(long value) throws IOException JavaDoc {
73         writeInt((int)(value & 0xFFFFFFFF));
74         writeInt((int)((value >> 32) & 0xFFFFFFFF));
75     }
76
77     public final void writeFloat(float value) throws IOException JavaDoc {
78         writeInt(Float.floatToIntBits(value));
79     }
80
81     public final void writeDouble(double value) throws IOException JavaDoc {
82         writeLong(Double.doubleToLongBits(value));
83     }
84
85     public void writeBoolean(boolean b) throws IOException JavaDoc {
86         out.write(b ? 1 : 0);
87     }
88
89     public void writeByte(int v) throws IOException JavaDoc {
90         write(v);
91     }
92
93     public void writeBytes(String JavaDoc s) throws IOException JavaDoc {
94         int len = s.length();
95         for (int i = 0 ; i < len ; i++) {
96             out.write((byte)s.charAt(i));
97         }
98     }
99
100     public void writeChars(String JavaDoc s) throws IOException JavaDoc {
101         int len = s.length();
102         byte [] b = new byte[len * 2];
103         int index = 0;
104         for(int i = 0; i < len; i++) {
105             int v = s.charAt(i);
106             b[index++] = (byte)((v >>> 0) & 0xFF);
107             b[index++] = (byte)((v >>> 8) & 0xFF);
108         }
109         write(b);
110     }
111
112     public void writeUTF(String JavaDoc str) throws IOException JavaDoc {
113         ByteArrayOutputStream JavaDoc out = new ByteArrayOutputStream JavaDoc(str.length());
114         DataOutputStream JavaDoc dataOut = new DataOutputStream JavaDoc(out);
115         dataOut.writeUTF(str);
116         dataOut.flush();
117         dataOut.close();
118         byte[] b = out.toByteArray();
119         write(b);
120     }
121 }
122
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