Thursday, 24 November 2016

Java Tutorial : Java IO (Java File - How to compress a file in GZIP format)


Click here to watch in Youtube :
https://www.youtube.com/watch?v=zh3oIfgqWBA&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge
Java Tutorial : Java IO (Java File - How to compress a file in GZIP format) 
Java Tutorial : Java IO (Java File - How to compress a file in GZIP format) 
GZipDemo.java
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;

public class GZipDemo
{

    public static void main(String[] args) throws IOException
    {
        String outputGzipFile = "D:/work/Helloworld.gz";
        String sourceFile = "D:/work/Helloworld.java";

        GZipDemo gzipDemo = new GZipDemo();
        gzipDemo.gzipIt(outputGzipFile, sourceFile);
    }

    public void gzipIt(String gzipFile, String sourceFile) throws IOException
    {

        byte[] buffer = new byte[1024];

        /*
         * If the Streams are within the
         * "try-With-Resources" block, then it will be
         * closed automatically.
         */
        try (
                FileOutputStream fos = new FileOutputStream(gzipFile);
                GZIPOutputStream gzos = new GZIPOutputStream(fos);
                FileInputStream fin = new FileInputStream(sourceFile);)
        {

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

            gzos.finish();

            System.out.println("Gzip compression has been done..");

        }

    }
}
Output
Gzip compression has been done..

Refer:
https://docs.oracle.com/javase/8/docs/api/java/util/zip/GZIPOutputStream.html

Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/JavaIODemo_Gzip_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_Gzip_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/97750dcb5a5d126b3956b792a4fc850ca4dd67ca/BasicJava/JavaIODemo_Gzip_App/?at=master

See also:

  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
  • No comments:

    Post a Comment

    Google+ Followers

    Google+ Badge