Create Zip File 

The following example shows creating a ZIP file with user given list of files. The method zipOut.putNextEntry() adds a new file entry to the ZIP file. Remove the drive prefix before making an entry to build the ZIP file in proper format.

File Name  :   com/bethecoder/tutorials/utils/zip/CreateZipFile.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.utils.zip; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class CreateZipFile {   /**    * @param args    */   public static void main(String[] args) {     String zipFilePath = "C:\\abcd.zip";      String [] filePaths = {         "C:\\abc.txt",         "C:\\ONE\\test.txt",         "C:\\NEW\\file_ops.txt",         "C:\\Test\\Test.java"     };          createZipFile(zipFilePath, filePaths);     System.out.println("Successfully created zip file.");   }   public static void createZipFile(String zipFilePath, String [] filePaths) {              try {           /**            * Create ZIP file            */           ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFilePath));           FileInputStream fileInput = null;           byte [] buf = new byte[1024];           String entryName = null;           int index = 0;                      /**            * Add each file as ZIP entry            */           for (int i = 0 ; i < filePaths.length; i++) {             fileInput = new FileInputStream(filePaths[i]);               entryName = filePaths[i];               /**                * Remove the drive prefix,                *                 * C:\NEW2\file_ops.txt   to NEW2\file_ops.txt                * C:\NEW2\CCCC\AAA\IPC.LOG to NEW2\CCCC\AAA\IPC.LOG                *                 * If we don't remove the prefix, a directory                * named C: is getting created in the ZIP file.                * To avoid this remove the directory prefix.                */               index = entryName.indexOf(File.separator);                              if (index > 0) {                 entryName = entryName.substring(index + 1);               }                              /**                * Add ZIP entry                */               System.out.println("Adding file : " + filePaths[i]);               zipOut.putNextEntry(new ZipEntry(entryName));                      /**                * Copy file content to ZIP stream                */               int len;               while ((len = fileInput.read(buf)) > 0) {                 zipOut.write(buf, 0, len);               }                      /**                * Close ZIP entry                 */               zipOut.closeEntry();               fileInput.close();           }                  /**            * Close ZIP stream            */           zipOut.close();                  } catch (IOException e) {         e.printStackTrace();       }   } }

Adding file : C:\abc.txt
Adding file : C:\ONE\test.txt
Adding file : C:\NEW\file_ops.txt
Adding file : C:\Test\Test.java
Successfully created zip file.