Here you can find the source of zip(File f, File destfile)
public static File zip(File f, File destfile)
//package com.java2s; /***************************************************************************** * * * This file is part of the tna framework distribution. * * Documentation and updates may be get from biaoping.yin the author of * * this framework * * * * Sun Public License Notice: * * * * The contents of this file are subject to the Sun Public License Version * * 1.0 (the "License"); you may not use this file except in compliance with * * the License. A copy of the License is available at http://www.sun.com * * * * The Original Code is tag. The Initial Developer of the Original * * Code is biaoping yin. Portions created by biaoping yin are Copyright * * (C) 2000. All Rights Reserved. * * * * GNU Public License Notice: * * * * Alternatively, the contents of this file may be used under the terms of * * the GNU Lesser General Public License (the "LGPL"), in which case the * * provisions of LGPL are applicable instead of those above. If you wish to * * allow use of your version of this file only under the terms of the LGPL * * and not to allow others to use your version of this file under the SPL, * * indicate your decision by deleting the provisions above and replace * * them with the notice and other provisions required by the LGPL. If you * * do not delete the provisions above, a recipient may use your version of * * this file under either the SPL or the LGPL. * * * * biaoping.yin (yin-bp@163.com) * * Author of Learning Java * * * *****************************************************************************/ import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class Main { public static File zip(File f, File destfile) { java.io.BufferedOutputStream out = null; ZipOutputStream zipOut = null; try {//from w w w .j ava 2 s .c o m out = new BufferedOutputStream(new FileOutputStream(destfile)); zipOut = new ZipOutputStream(out); String basePath; if (f.isDirectory()) basePath = f.getPath(); else basePath = f.getParent(); zipFile(f, basePath, zipOut); return destfile; } catch (IOException e) { return null; } finally { if (zipOut != null) try { zipOut.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (out != null) try { out.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static File zip(File f, String destfile) { java.io.BufferedOutputStream out = null; ZipOutputStream zipOut = null; try { File ret = new File(destfile); out = new BufferedOutputStream(new FileOutputStream(ret)); zipOut = new ZipOutputStream(out); String basePath; if (f.isDirectory()) basePath = f.getPath(); else basePath = f.getParent(); zipFile(f, basePath, zipOut); return ret; } catch (IOException e) { return null; } finally { if (zipOut != null) try { zipOut.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (out != null) try { out.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } private static void zipFile(File source, String basePath, ZipOutputStream zos) throws IOException { File[] files = null; if (source.isDirectory()) { files = source.listFiles(); } else { files = new File[1]; files[0] = source; } String pathName; byte[] buf = new byte[1024]; int length = 0; try { for (File file : files) { if (file.isDirectory()) { pathName = file.getPath().substring(basePath.length() + 1) + "/"; zos.putNextEntry(new ZipEntry(pathName)); zipFile(file, basePath, zos); } else { pathName = file.getPath().substring(basePath.length() + 1); BufferedInputStream bis = null; InputStream is = null; try { is = new FileInputStream(file); bis = new BufferedInputStream(is); zos.putNextEntry(new ZipEntry(pathName)); while ((length = bis.read(buf)) > 0) { zos.write(buf, 0, length); } } finally { if (is != null) { try { is.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (bis != null) { try { bis.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } } } finally { } } public static StringBuffer read(String file) throws Exception { BufferedReader in = null; StringBuffer sb = new StringBuffer(); String s = null; StringBuffer stringbuffer; try { in = new BufferedReader(new FileReader(file)); while ((s = in.readLine()) != null) sb.append(s).append('\n'); stringbuffer = sb; } finally { if (in != null) in.close(); } return stringbuffer; } }