Java Zip File zip(File f, File destfile)

Here you can find the source of zip(File f, File destfile)

Description

zip

License

Sun Public License Notice

Declaration

public static File zip(File f, File destfile) 

Method Source Code

//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      *
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 *  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;
    }
}

Related

  1. zip(File destination, File... files)
  2. zip(File f, File out)
  3. zip(File file, File output)
  4. zip(File file, File zip)
  5. zip(File file, String dest)