Mega Code Archive

 

Categories / Java / File Input Output

 

Compressing a File in the GZIP Format

import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.GZIPOutputStream; public class Main {   public static void main(String[] argv) throws Exception {     String outFilename = "outfile.gzip";     GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(outFilename));     String inFilename = "infilename";     FileInputStream in = new FileInputStream(inFilename);     byte[] buf = new byte[1024];     int len;     while ((len = in.read(buf)) > 0) {       out.write(buf, 0, len);     }     in.close();     out.finish();     out.close();   } }