1 /*******************************************************************************
2 * Copyright (c) 2007, 2012 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.compressions.impl;
15 import java.io.FileNotFoundException;
16 import java.io.FileOutputStream;
17 import java.io.IOException;
18 import java.io.OutputStream;
19 import java.nio.ByteBuffer;
20 import java.nio.channels.WritableByteChannel;
22 import org.simantics.compressions.CompressionCodec;
25 * @author Hannu Niemistö
26 * @author Tuukka Lehtonen
28 public abstract class CompressingCodecOutputStream extends CompressingOutputStream {
30 CompressionCodec codec;
32 public CompressingCodecOutputStream(CompressionCodec codec, File file) throws FileNotFoundException {
33 this(codec, new FileOutputStream(file));
36 public CompressingCodecOutputStream(CompressionCodec codec, FileOutputStream stream) {
37 this(codec, stream, stream.getChannel());
40 public CompressingCodecOutputStream(CompressionCodec codec, OutputStream stream, WritableByteChannel channel) {
41 super(stream, channel);
45 protected int compressBound(int inputSize) {
46 return codec.compressBound(inputSize);
49 protected int compress(ByteBuffer uncompressed, int uncompressedOffset, int uncompressedSize,
50 ByteBuffer compressed, int compressedOffset) throws IOException {
51 return codec.compressBuffer(uncompressed, uncompressedOffset, uncompressedSize, compressed, compressedOffset);