120 lines
3.2 KiB
Java
120 lines
3.2 KiB
Java
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/*
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* Copyright (C) 2008 Trustin Heuiseung Lee
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA
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*/
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package net.gleamynode.netty.buffer;
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import java.io.DataOutput;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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/**
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*
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* @author The Netty Project (netty@googlegroups.com)
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* @author Trustin Lee (trustin@gmail.com)
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*
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* @version $Rev$, $Date$
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*
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* @see ChannelBufferInputStream
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* @apiviz.uses net.gleamynode.netty.buffer.ChannelBuffer
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*/
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public class ChannelBufferOutputStream extends OutputStream implements DataOutput {
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private final ChannelBuffer buffer;
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private final DataOutputStream utf8out = new DataOutputStream(this);
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public ChannelBufferOutputStream(ChannelBuffer buffer) {
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if (buffer == null) {
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throw new NullPointerException("buffer");
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}
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this.buffer = buffer;
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}
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@Override
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public void write(byte[] b, int off, int len) throws IOException {
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if (len == 0) {
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return;
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}
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buffer.writeBytes(b, off, len);
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}
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@Override
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public void write(byte[] b) throws IOException {
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buffer.writeBytes(b);
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}
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@Override
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public void write(int b) throws IOException {
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buffer.writeByte((byte) b);
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}
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public void writeBoolean(boolean v) throws IOException {
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write(v? (byte) 1 : (byte) 0);
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}
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public void writeByte(int v) throws IOException {
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write(v);
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}
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public void writeBytes(String s) throws IOException {
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int len = s.length();
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for (int i = 0; i < len; i ++) {
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write((byte) s.charAt(i));
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}
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}
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public void writeChar(int v) throws IOException {
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writeShort((short) v);
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}
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public void writeChars(String s) throws IOException {
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int len = s.length();
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for (int i = 0 ; i < len ; i ++) {
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writeChar(s.charAt(i));
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}
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}
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public void writeDouble(double v) throws IOException {
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writeLong(Double.doubleToLongBits(v));
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}
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public void writeFloat(float v) throws IOException {
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writeInt(Float.floatToIntBits(v));
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}
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public void writeInt(int v) throws IOException {
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buffer.writeInt(v);
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}
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public void writeLong(long v) throws IOException {
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buffer.writeLong(v);
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}
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public void writeShort(int v) throws IOException {
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buffer.writeShort((short) v);
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}
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public void writeUTF(String s) throws IOException {
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utf8out.writeUTF(s);
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}
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public ChannelBuffer buffer() {
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return buffer;
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}
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}
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