Here you can find the source of createZip(String[] files, String zipFile)
public static void createZip(String[] files, String zipFile)
//package com.java2s; //License from project: Open Source License import java.io.BufferedInputStream; import java.io.BufferedOutputStream; 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 Main { private static final int BUFFER = 8192; public static void createZip(String[] files, String zipFile) { try {//w ww .j ava2 s.co m FileOutputStream dest = new FileOutputStream(zipFile); ZipOutputStream out = new ZipOutputStream( new BufferedOutputStream(dest)); for (String s : files) { File file = new File(s); if (file.isDirectory()) { zipSubFolder(out, file, file.getParent().length()); } else { zipFile(out, file); } } out.close(); } catch (Exception e) { e.printStackTrace(); } } private static void zipSubFolder(ZipOutputStream out, File folder, int basePathLength) throws IOException { File[] fileList = folder.listFiles(); for (File file : fileList) { if (file.isDirectory()) { zipSubFolder(out, file, basePathLength); } else { BufferedInputStream origin; byte data[] = new byte[BUFFER]; String unmodifiedFilePath = file.getPath(); String relativePath = unmodifiedFilePath .substring(basePathLength); FileInputStream fi = new FileInputStream(unmodifiedFilePath); origin = new BufferedInputStream(fi, BUFFER); ZipEntry entry = new ZipEntry(relativePath); out.putNextEntry(entry); int count; while ((count = origin.read(data, 0, BUFFER)) != -1) { out.write(data, 0, count); } origin.close(); } } } private static void zipFile(ZipOutputStream out, File file) throws IOException { BufferedInputStream origin; byte data[] = new byte[BUFFER]; String str = file.getPath(); FileInputStream fi = new FileInputStream(str); origin = new BufferedInputStream(fi, BUFFER); ZipEntry entry = new ZipEntry( str.substring(str.lastIndexOf("/") + 1)); out.putNextEntry(entry); int count; while ((count = origin.read(data, 0, BUFFER)) != -1) { out.write(data, 0, count); } origin.close(); } }