]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.fastlz/src/org/simantics/fastlz/java/FastLZJavaInputStream.java
Fixed multiple issues causing dangling references to discarded queries
[simantics/platform.git] / bundles / org.simantics.fastlz / src / org / simantics / fastlz / java / FastLZJavaInputStream.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 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.fastlz.java;
13
14 import java.io.File;
15 import java.io.FileInputStream;
16 import java.io.FileNotFoundException;
17 import java.io.IOException;
18 import java.io.InputStream;
19 import java.nio.ByteBuffer;
20 import java.nio.channels.ReadableByteChannel;
21
22 import org.simantics.compressions.impl.DecompressingInputStream;
23 import org.simantics.fastlz.FastLZJava;
24
25 /**
26  * @author Tuukka Lehtonen
27  */
28 public class FastLZJavaInputStream extends DecompressingInputStream {
29
30     public FastLZJavaInputStream(File file) throws FileNotFoundException {
31         super(file);
32     }
33
34     public FastLZJavaInputStream(FileInputStream stream) {
35         super(stream);
36     }
37
38     public FastLZJavaInputStream(InputStream stream) {
39         super(stream);
40     }
41
42     public FastLZJavaInputStream(InputStream stream, ReadableByteChannel channel) {
43         super(stream, channel);
44     }
45
46     @Override
47     protected ByteBuffer allocateBuffer(int capacity) {
48         return ByteBuffer.allocate(capacity);
49     }
50     
51     @Override
52     public void decompress(ByteBuffer compressed, int compressedOffset, int compressedSize, ByteBuffer uncompressed,
53             int uncompressedOffset, int uncompressedSize) throws IOException {
54         int decompressed = FastLZJava.decompress(compressed.array(), 0,
55                 compressedSize, uncompressed.array(), 0, uncompressedSize);
56         if (decompressed != uncompressedSize)
57             throw new IOException("decompressed " + decompressed + " bytes when " + uncompressedSize + " bytes were expected.");
58     }
59
60 }