ZipHelper.java

/*
*    This file is part of GPSLogger for Android.
*
*    GPSLogger for Android is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 2 of the License, or
*    (at your option) any later version.
*
*    GPSLogger for Android is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with GPSLogger for Android.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.mendhak.gpslogger.senders;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipHelper
{
    private static final int BUFFER = 2048;

    private final String[] files;
    private final String zipFile;

    public ZipHelper(String[] files, String zipFile)
    {
        this.files = files;
        this.zipFile = zipFile;
    }

    public void Zip()
    {
        try
        {
            BufferedInputStream origin;
            FileOutputStream dest = new FileOutputStream(zipFile);

            ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest));

            byte data[] = new byte[BUFFER];

            for (String f : files)
            {
                FileInputStream fi = new FileInputStream(f);
                origin = new BufferedInputStream(fi, BUFFER);
                ZipEntry entry = new ZipEntry(f.substring(f.lastIndexOf("/") + 1));
                out.putNextEntry(entry);
                int count;
                while ((count = origin.read(data, 0, BUFFER)) != -1)
                {
                    out.write(data, 0, count);
                }
                out.closeEntry();
                origin.close();
            }

            out.close();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }

    }

}