bundles/org.simantics.lz4/src/org/simantics/lz4/impl/LZ4InputStream.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2012 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   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
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.lz4.impl;
  13
  14 import java.io.File;
  15 import java.io.FileInputStream;
  16 import java.io.FileNotFoundException;
  17 import java.io.InputStream;
  18 import java.nio.ByteBuffer;
  19 import java.nio.channels.ReadableByteChannel;
  20
  21 import org.simantics.compressions.impl.DecompressingInputStream;
  22 import org.simantics.lz4.LZ4;
  23
  24
  25 /**
  26  * @author Tuukka Lehtonen
  27  */
  28 public class LZ4InputStream extends DecompressingInputStream {
  29
  30     public LZ4InputStream(File file) throws FileNotFoundException {
  31         super(file);
  32     }
  33
  34     public LZ4InputStream(FileInputStream stream) {
  35         super(stream);
  36     }
  37
  38     public LZ4InputStream(InputStream stream) {
  39         super(stream);
  40     }
  41
  42     public LZ4InputStream(InputStream stream, ReadableByteChannel channel) {
  43         super(stream, channel);
  44     }
  45
  46     @Override
  47     public void decompress(ByteBuffer compressed, int compressedOffset, int compressedSize, ByteBuffer uncompressed,
  48             int uncompressedOffset, int uncompressedSize) {
  49         LZ4.decompressBuffer(compressed, compressedOffset, compressedSize, uncompressed, uncompressedOffset, uncompressedSize);
  50     }
  51
  52 }