1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.fastlz.impl;
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14 import java.io.File;
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15 import java.io.FileNotFoundException;
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16 import java.io.FileOutputStream;
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17 import java.io.OutputStream;
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18 import java.nio.ByteBuffer;
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19 import java.nio.channels.WritableByteChannel;
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21 import org.simantics.compressions.impl.CompressingOutputStream;
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22 import org.simantics.fastlz.FastLZ;
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26 * @author Hannu Niemistö
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28 public class FastLZOutputStream extends CompressingOutputStream {
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30 public FastLZOutputStream(File file) throws FileNotFoundException {
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34 public FastLZOutputStream(FileOutputStream stream) {
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38 public FastLZOutputStream(OutputStream stream) {
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42 public FastLZOutputStream(OutputStream stream, WritableByteChannel channel) {
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43 super(stream, channel);
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47 protected int compressBound(int inputSize) {
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48 return FastLZ.compressBound(inputSize);
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52 protected int compress(ByteBuffer uncompressed, int uncompressedOffset, int uncompressedSize,
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53 ByteBuffer compressed, int compressedOffset) {
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54 return FastLZ.compressBuffer(uncompressed, uncompressedOffset, uncompressedSize, compressed, compressedOffset);
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57 protected ByteBuffer allocateBuffer(int capacity) {
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58 return ByteBuffer.allocateDirect(capacity);
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