bundles/org.simantics.fastlz/src/org/simantics/fastlz/impl/FastLZOutputStream.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.fastlz.impl;\r
  13 \r
  14 import java.io.File;\r
  15 import java.io.FileNotFoundException;\r
  16 import java.io.FileOutputStream;\r
  17 import java.io.OutputStream;\r
  18 import java.nio.ByteBuffer;\r
  19 import java.nio.channels.WritableByteChannel;\r
  20 \r
  21 import org.simantics.compressions.impl.CompressingOutputStream;\r
  22 import org.simantics.fastlz.FastLZ;\r
  23 \r
  24 \r
  25 /**\r
  26  * @author Hannu Niemist&ouml;\r
  27  */\r
  28 public class FastLZOutputStream extends CompressingOutputStream {\r
  29 \r
  30     public FastLZOutputStream(File file) throws FileNotFoundException {\r
  31         super(file);\r
  32     }\r
  33 \r
  34     public FastLZOutputStream(FileOutputStream stream) {\r
  35         super(stream);\r
  36     }\r
  37 \r
  38     public FastLZOutputStream(OutputStream stream) {\r
  39         super(stream);\r
  40     }\r
  41 \r
  42     public FastLZOutputStream(OutputStream stream, WritableByteChannel channel) {\r
  43         super(stream, channel);\r
  44     }\r
  45 \r
  46     @Override\r
  47     protected int compressBound(int inputSize) {\r
  48         return FastLZ.compressBound(inputSize);\r
  49     }\r
  50 \r
  51     @Override\r
  52     protected int compress(ByteBuffer uncompressed, int uncompressedOffset, int uncompressedSize,\r
  53             ByteBuffer compressed, int compressedOffset) {\r
  54         return FastLZ.compressBuffer(uncompressed, uncompressedOffset, uncompressedSize, compressed, compressedOffset);\r
  55     }\r
  56 \r
  57     protected ByteBuffer allocateBuffer(int capacity) {\r
  58         return ByteBuffer.allocateDirect(capacity);\r
  59     }\r
  60 \r
  61 }\r