package com.linkedin.databus.core.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
public class CompressUtil
{
public static String compress(String str) throws IOException
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
GZIPOutputStream gzip = new GZIPOutputStream(out);
gzip.write(str.getBytes(Charset.defaultCharset()));
gzip.close();
String gzipStr = out.toString("ISO-8859-1");
return gzipStr;
}
public static String uncompress(String str) throws IOException
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
ByteArrayInputStream in = new ByteArrayInputStream(str.getBytes("ISO-8859-1"));
GZIPInputStream gunzip = new GZIPInputStream(in);
byte[] buffer = new byte[256];
int n;
while ((n = gunzip.read(buffer)) >= 0)
{
out.write(buffer, 0, n);
}
return out.toString(Charset.defaultCharset().name());
}
}