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Merge gzip comp/decomp into one file

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This commit is contained in:
Adam
2015-10-17 14:13:34 -04:00
parent 7c7de16025
commit b21022d207
3 changed files with 57 additions and 49 deletions
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57
src/main/java/net/runelite/cache/fs/util/GZip.java vendored Normal file
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@@ -0,0 +1,57 @@
package net.runelite.cache.fs.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
import java.util.zip.Inflater;
import net.runelite.cache.fs.io.Stream;
public class GZip {
private static final Inflater inflaterInstance = new Inflater(true);
public static final byte[] compress(byte[] data)
{
ByteArrayOutputStream compressedBytes = new ByteArrayOutputStream();
try
{
GZIPOutputStream e = new GZIPOutputStream(compressedBytes);
e.write(data);
e.finish();
e.close();
return compressedBytes.toByteArray();
}
catch (IOException var3)
{
var3.printStackTrace();
return null;
}
}
public static final void decompress(Stream stream, byte[] data)
{
Inflater var2 = inflaterInstance;
synchronized (inflaterInstance)
{
if (stream.getBuffer()[stream.getOffset()] == 31 && stream.getBuffer()[stream.getOffset() + 1] == -117)
{
try
{
inflaterInstance.setInput(stream.getBuffer(), stream.getOffset() + 10, -stream.getOffset() - 18 + stream.getBuffer().length);
inflaterInstance.inflate(data);
}
catch (Exception var4)
{
inflaterInstance.reset();
data = (byte[]) null;
}
inflaterInstance.reset();
}
else
{
data = (byte[]) null;
}
}
}
}

22
src/main/java/net/runelite/cache/fs/util/GZipCompressor.java vendored
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@@ -1,22 +0,0 @@
package net.runelite.cache.fs.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
public class GZipCompressor {
public static final byte[] compress(byte[] data) {
ByteArrayOutputStream compressedBytes = new ByteArrayOutputStream();
try {
GZIPOutputStream e = new GZIPOutputStream(compressedBytes);
e.write(data);
e.finish();
e.close();
return compressedBytes.toByteArray();
} catch (IOException var3) {
var3.printStackTrace();
return null;
}
}
}

27
src/main/java/net/runelite/cache/fs/util/GZipDecompressor.java vendored
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@@ -1,27 +0,0 @@
package net.runelite.cache.fs.util;
import net.runelite.cache.fs.io.Stream;
import java.util.zip.Inflater;
public class GZipDecompressor {
private static final Inflater inflaterInstance = new Inflater(true);
public static final void decompress(Stream stream, byte[] data) {
Inflater var2 = inflaterInstance;
synchronized(inflaterInstance) {
if(stream.getBuffer()[stream.getOffset()] == 31 && stream.getBuffer()[stream.getOffset() + 1] == -117) {
try {
inflaterInstance.setInput(stream.getBuffer(), stream.getOffset() + 10, -stream.getOffset() - 18 + stream.getBuffer().length);
inflaterInstance.inflate(data);
} catch (Exception var4) {
inflaterInstance.reset();
data = (byte[])null;
}
inflaterInstance.reset();
} else {
data = (byte[])null;
}
}
}
}