Here you can find the source of zipFile(File source, File dest)
private static void zipFile(File source, File dest) throws IOException
//package com.java2s; /******************************************************************************* * //from w w w . j a va 2 s. c o m * Copyright 2011 Spiffy UI Team * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the 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.GZIPOutputStream; public class Main { private static void zipFile(File source, File dest) throws IOException { FileInputStream in = new FileInputStream(source); BufferedInputStream in2 = new BufferedInputStream(in); FileOutputStream out = new FileOutputStream(dest); GZIPOutputStream zipOut = new GZIPOutputStream(out); BufferedOutputStream out2 = new BufferedOutputStream(zipOut); try { int chunk; while ((chunk = in2.read()) != -1) { out2.write(chunk); } } finally { if (out2 != null) { out2.close(); } if (zipOut != null) { out2.close(); } if (out != null) { out.close(); } } } }