package com.mkyong.gzip;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;

public class GZipFile
{
    private static final String OUTPUT_GZIP_FILE = "/home/mkyong/file1.gz";
    private static final String SOURCE_FILE = "/home/mkyong/file1.txt";

    public static void main( String[] args )
    {
    	GZipFile gZip = new GZipFile();
    	gZip.gzipIt();
    }

    /**
     * GZip it
     * @param zipFile output GZip file location
     */
    public void gzipIt(){

     byte[] buffer = new byte[1024];

     try{

    	GZIPOutputStream gzos =
    		new GZIPOutputStream(new FileOutputStream(OUTPUT_GZIP_FILE));

        FileInputStream in =
            new FileInputStream(SOURCE_FILE);

        int len;
        while ((len = in.read(buffer)) > 0) {
        	gzos.write(buffer, 0, len);
        }

        in.close();

    	gzos.finish();
    	gzos.close();

    	System.out.println("Done");

    }catch(IOException ex){
       ex.printStackTrace();
    }
   }

}