ZIP files in a folder and List files in a folder using Java Program

By: Emiley J Emailed: 1730 times Printed: 2341 times    

Latest comments
By: rohit kumar - how this program is work
By: Kirti - Hi..thx for the hadoop in
By: Spijker - I have altered the code a
By: ali mohammed - why we use the java in ne
By: ali mohammed - why we use the java in ne
By: mizhelle - when I exported the data
By: raul - no output as well, i'm ge
By: Rajesh - thanx very much...
By: Suindu De - Suppose we are executing

This Java sample program demonstrates two things. 1. Zip files. 2. To list all the files in a folder

Most often, there is a need to zip files programmatically. In my case i had to automate the process of zipping and emailing the zipped file to the administrator at the end of every day.












/*
 *
 * A free Java sample program 
 * to Zip files in a folder and to list files in a folder
 *
 * @author William Alexander
 * free for use as long as this comment is included 
 * in the program as it is
 * 
 * More Free Java programs available for download 
 * at http://www.java-samples.com
 *
 */

import java.io.*;
import java.util.zip.*;
 
public class Zip {
   static final int BUFFER = 2048;
   public static void main (String argv[]) {
      try {
         BufferedInputStream origin = null;
         FileOutputStream dest = new 
           FileOutputStream("g:\\zip\\myfigs.zip");
         ZipOutputStream out = new ZipOutputStream(new 
           BufferedOutputStream(dest));
         //out.setMethod(ZipOutputStream.DEFLATED);
         byte data[] = new byte[BUFFER];
         // get a list of files from current directory
         File f = new File(".");
         String files[] = f.list();

         for (int i=0; i<files.length; i++) {
            System.out.println("Adding: "+files[i]);
            FileInputStream fi = new 
              FileInputStream(files[i]);
            origin = new 
              BufferedInputStream(fi, BUFFER);
            ZipEntry entry = new ZipEntry(files[i]);
            out.putNextEntry(entry);
            int count;
            while((count = origin.read(data, 0, 
              BUFFER)) != -1) {
               out.write(data, 0, count);
            }
            origin.close();
         }
         out.close();
      } catch(Exception e) {
         e.printStackTrace();
      }
   }
} 


Java Home | All Java Tutorials | Latest Java Tutorials

Sponsored Links

If this tutorial doesn't answer your question, or you have a specific question, just ask an expert here. Post your question to get a direct answer.



Bookmark and Share

Comments(1)


1. View Comment

Thanks very much.

View Tutorial          By: Haritha at 2011-05-26 07:56:06

Your name (required):


Your email(required, will not be shown to the public):


Your sites URL (optional):


Your comments:



More Tutorials by Emiley J
Password must include both numeric and alphabetic characters - Magento
What is Hadoop?
Returning multiple values from a web service
Tomcat and httpd configured in port 8080 and 80
Java Webservices using Netbeans and Tomcat
Java WebService connected to Database
How to Deploy a Java Web Service
Call a webservice in Java
Java WebService - Create your first web service in Java
package javax.jws does not exist
Getting Started with Android
HTML5 Location - getCurrentPosition() in HTML5
HTML5 Canvas - Using Canvas in HTML5
HTML5 - Introduction
HTML5 Video - Handling video in HTML5

More Tutorials in Java
Update contents of a file within a jar file
Tomcat and httpd configured in port 8080 and 80
Java File
Java String
Count number of vowels, consonants and digits in a String in Java
Reverse a number in Java
Student marks calculation program in Java
Handling Fractions in Java
Calculate gross salary in Java
Calculate average sale of the week in Java
Vector in Java - Sample Program
MultiLevel Inheritance sample in Java
Multiple Inheritance sample in Java
Java program using Method Overriding
Java program to check if user input is an even number

More Latest News
Most Viewed Articles (in Java )
How to Send SMS using Java Program (full code sample included)
wait(), notify() and notifyAll() in Java - A tutorial
Method Overriding in Java
What is Java?
XML and Java - Parsing XML using Java Tutorial
InetAddress Example program in Java
How to use ArrayList in Java
Method Overloading (function overloading) in Java
Read from a COM port using Java program
Vector example in Java
Stack example in Java - push(), pop(), empty(), search()
Calendar - sample program in Java
Use of return statement in Java
Student marks calculation program in Java
arraycopy example in Java
Most Emailed Articles (in Java)
Vector in Java - Sample Program
Use of return statement in Java
The Basic Structure of a Simple Java program
Taking the size of an Array at runtime & generate random numbers to populate the Array
instanceof operator example in Java
PushbackReader sample program in Java
CharArrayWriter sample program in Java
iterator() and hasNext() in Java
3-D Secure Payment or 3DS - (3-Domain Secure Payment)
What is a Java Package and how to use it?
How to use Iterator in Java
J2EE Components
The modulus Operators
The java Buzzwords
Java Chat Client Sample Applet