baritone/src/main/java/baritone/bot/utils/GZIPUtils.java

57 lines
1.7 KiB
Java

/*
* This file is part of Baritone.
*
* Baritone is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Baritone is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
*/
package baritone.bot.utils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
/**
* @author Brady
* @since 8/3/2018 10:18 PM
*/
public final class GZIPUtils {
private GZIPUtils() {
}
public static byte[] compress(byte[] in) throws IOException {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream(in.length);
try (GZIPOutputStream gzipStream = new GZIPOutputStream(byteStream)) {
gzipStream.write(in);
}
return byteStream.toByteArray();
}
public static byte[] decompress(InputStream in) throws IOException {
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
try (GZIPInputStream gzipStream = new GZIPInputStream(in)) {
byte[] buffer = new byte[1024];
int len;
while ((len = gzipStream.read(buffer)) > 0) {
outStream.write(buffer, 0, len);
}
}
return outStream.toByteArray();
}
}