/*
* The MIT License (MIT)
*
* Copyright (c) 2007-2015 Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.broad.igv.tdf;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/*
*
*/
public class BufferedByteWriter {
/**
* Reports the total number of bytes written
*/
ByteArrayOutputStream buffer;
public BufferedByteWriter() {
this(8192);
}
public BufferedByteWriter(int size) {
if (size <= 0) {
throw new IllegalArgumentException("Buffer size <= 0");
}
buffer = new ByteArrayOutputStream(size);
}
public byte [] getBytes() {
return buffer.toByteArray();
}
public int bytesWritten() {
return buffer.size();
}
/**
* Writes the specified byte to this buffered output stream.
*
* @param b the byte to be written.
* @throws IOException if an I/O error occurs.
*/
public void put(int b) throws IOException {
buffer.write(b);
}
public void put(byte b[]) throws IOException {
buffer.write(b);
}
/**
* Writes <code>len</code> bytes from the specified byte array
* starting at offset <code>off</code> to this buffered output stream.
*
* @param b the data.
* @param off the start offset in the data.
* @param len the number of bytes to write.
* @throws IOException if an I/O error occurs.
*/
public void put(byte b[], int off, int len) throws IOException {
buffer.write(b, off, len);
}
public void putInt(int v) throws IOException {
buffer.write((v >>> 0) & 0xFF);
buffer.write((v >>> 8) & 0xFF);
buffer.write((v >>> 16) & 0xFF);
buffer.write((v >>> 24) & 0xFF);
}
public void putShort(short v) throws IOException {
buffer.write((v >>> 0) & 0xFF);
buffer.write((v >>> 8) & 0xFF);
}
public void putFloat(float f) throws IOException {
int v = Float.floatToIntBits(f);
putInt(v);
}
public void putDouble(Double f) throws IOException {
long v = Double.doubleToLongBits(f);
putLong(v);
}
/**
* Writes a <code>long</code> to the underlying output stream as eight
* bytes, little endian. In no exception is thrown, the counter
* <code>written</code> is incremented by <code>8</code>.
*
* @param v a <code>long</code> to be written.
* @throws IOException if an I/O error occurs.
* @see java.io.FilterOutputStream#out
*/
public void putLong(long v) throws IOException {
buffer.write((byte) (v >>> 0));
buffer.write((byte) (v >>> 8));
buffer.write((byte) (v >>> 16));
buffer.write((byte) (v >>> 24));
buffer.write((byte) (v >>> 32));
buffer.write((byte) (v >>> 40));
buffer.write((byte) (v >>> 48));
buffer.write((byte) (v >>> 56));
}
public void putNullTerminatedString(String s) throws IOException {
buffer.write(s.getBytes());
buffer.write((byte) 0);
}
}