Java Zip File zip(File file, String dest)

Description

zip

License

Open Source License

Parameter

Parameter	Description
file	a parameter
dest	Where the zipped file will be stored

Return

zipped file

Declaration

public static File zip(File file, String dest) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    /**//  ww  w.  j a  v a  2  s  . co  m
     * 
     * @param file
     * @param dest
     *            Where the zipped file will be stored
     * @return zipped file
     */

    public static File zip(File file, String dest) {
        File zippedFile = new File(dest + "/" + file.getName() + ".zip");
        try {
            FileOutputStream ops = new FileOutputStream(zippedFile);
            ZipOutputStream zos = new ZipOutputStream(ops);
            zip(file, zos, "");
            zos.close();
        } catch (FileNotFoundException fnfex) {
            fnfex.printStackTrace();
        } catch (IOException ioex) {
            ioex.printStackTrace();
        }
        return zippedFile;
    }

    public static ZipOutputStream zip(File file, ZipOutputStream zos, String prefix) {
        File[] entries = file.listFiles();
        for (int i = 0; i < entries.length; i++) {
            if (entries[i].isDirectory()) {
                // generate directory entry
                ZipEntry zi = new ZipEntry(prefix + entries[i].getName() + "/");
                try {
                    zos.putNextEntry(zi);
                    zos.closeEntry();
                } catch (IOException ioex) {
                    ioex.printStackTrace();
                }
                zip(entries[i], zos, prefix + entries[i].getName() + "/");
            } else {
                try {
                    FileInputStream fis = new FileInputStream(entries[i]);
                    ZipEntry zi = new ZipEntry(prefix + entries[i].getName());
                    zos.putNextEntry(zi);
                    copystream(fis, zos);
                    zos.closeEntry();
                } catch (FileNotFoundException ex) {
                    ex.printStackTrace();
                } catch (IOException ioex) {
                    ioex.printStackTrace();
                }
            }
        }
        return zos;
    }

    public static void copystream(InputStream in, OutputStream out) throws IOException {

        byte[] buffer = new byte[1024];
        int len;

        while ((len = in.read(buffer)) >= 0)
            out.write(buffer, 0, len);

        in.close();
        // out.close();
    }
}

Related

1. zip(File destination, File... files)
2. zip(File f, File destfile)
3. zip(File f, File out)
4. zip(File file, File output)
5. zip(File file, File zip)
6. zip(File fromFile, File toFile)
7. zip(File input, File output)
8. zip(File input, File outputZip)
9. zip(File inputDirectory, File zippedFile, FileFilter filter)