001 /*
002 * Copyright (c) Andrey Kuznetsov. All Rights Reserved.
003 *
004 * http://uio.imagero.com
005 *
006 * Redistribution and use in source and binary forms, with or without
007 * modification, are permitted provided that the following conditions are met:
008 *
009 * o Redistributions of source code must retain the above copyright notice,
010 * this list of conditions and the following disclaimer.
011 *
012 * o Redistributions in binary form must reproduce the above copyright notice,
013 * this list of conditions and the following disclaimer in the documentation
014 * and/or other materials provided with the distribution.
015 *
016 * o Neither the name of Andrey Kuznetsov nor the names of
017 * its contributors may be used to endorse or promote products derived
018 * from this software without specific prior written permission.
019 *
020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
022 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
023 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
024 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
025 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
026 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
027 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
028 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
029 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
030 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031 */
032 package com.imagero.uio.io;
033
034 import java.io.ByteArrayOutputStream;
035 import java.io.DataOutput;
036 import java.io.DataOutputStream;
037 import java.io.FilterOutputStream;
038 import java.io.IOException;
039 import java.io.OutputStream;
040
041 /**
042 * LEDataOutputStream.java
043 * <br>
044 * Little-endian writing.
045 * <br>
046 * @author Kouznetsov Andrei
047 *
048 */
049 public class LEDataOutputStream extends FilterOutputStream implements DataOutput {
050
051 public LEDataOutputStream(OutputStream out) {
052 super(out);
053 }
054
055 public final void writeShort(int value) throws IOException {
056 write(value & 0xFF);
057 write((value >> 8) & 0xFF);
058 }
059
060 public final void writeChar(int value) throws IOException {
061 write(value & 0xFF);
062 write((value >> 8) & 0xFF);
063 }
064
065 public final void writeInt(int value) throws IOException {
066 write(value & 0xFF);
067 write((value >> 8) & 0xFF);
068 write((value >> 16) & 0xFF);
069 write((value >> 24) & 0xFF);
070 }
071
072 public final void writeLong(long value) throws IOException {
073 writeInt((int)(value & 0xFFFFFFFF));
074 writeInt((int)((value >> 32) & 0xFFFFFFFF));
075 }
076
077 public final void writeFloat(float value) throws IOException {
078 writeInt(Float.floatToIntBits(value));
079 }
080
081 public final void writeDouble(double value) throws IOException {
082 writeLong(Double.doubleToLongBits(value));
083 }
084
085 public void writeBoolean(boolean b) throws IOException {
086 out.write(b ? 1 : 0);
087 }
088
089 public void writeByte(int v) throws IOException {
090 write(v);
091 }
092
093 public void writeBytes(String s) throws IOException {
094 int len = s.length();
095 for (int i = 0 ; i < len ; i++) {
096 out.write((byte)s.charAt(i));
097 }
098 }
099
100 public void writeChars(String s) throws IOException {
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 str) throws IOException {
113 ByteArrayOutputStream out = new ByteArrayOutputStream(str.length());
114 DataOutputStream dataOut = new DataOutputStream(out);
115 dataOut.writeUTF(str);
116 dataOut.flush();
117 dataOut.close();
118 byte[] b = out.toByteArray();
119 write(b);
120 }
121 }
122
123