md.archivers.ZIPArchiver.java Source code

Introduction

Here is the source code for md.archivers.ZIPArchiver.java

Source

/* MangaDownloader can help with Comics too
   Copyright (C) 2012 Hernn Parra
    
   This program 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.
    
   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package md.archivers;

import java.io.*;
import java.util.*;
import java.util.zip.*;
import md.model.Archiver;
import org.apache.commons.io.IOUtils;

/**
 *
 * @author Hernan
 */
public class ZIPArchiver implements Archiver {

    public static List<Archiver> createArchivers() {
        List<Archiver> result = new ArrayList<Archiver>();
        result.add(new ZIPArchiver(".cbz"));
        result.add(new ZIPArchiver(".zip"));
        return result;
    }

    private String extension;

    public ZIPArchiver(String extension) {
        this.extension = extension;
    }

    public String getArchiver() {
        return "ZIP";
    }

    public String getExtension() {
        return extension;
    }

    public File archive(String path, String filename, File directory) throws FileNotFoundException, IOException {
        File zipFile = new File(path + filename + extension);
        zipDirectory(zipFile, directory);
        return zipFile;
    }

    private void zipDirectory(File zipFile, File directory) throws FileNotFoundException, IOException {
        ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipFile));
        FileInputStream fin = null;
        for (File d : directory.listFiles()) {
            for (File f : d.listFiles()) {
                zos.putNextEntry(new ZipEntry(createNameForZip(f)));
                try {
                    fin = new FileInputStream(f);
                    IOUtils.copy(fin, zos);
                } finally {
                    if (fin != null)
                        fin.close();
                }
                zos.closeEntry();
            }
        }
        zos.close();
    }

    private String createNameForZip(File f) {
        String path = f.getParent();
        int pos = path.lastIndexOf(File.separator);
        String baseDir = path.substring(pos + 1);
        String zipPath = baseDir + File.separator + f.getName();
        return zipPath;
    }

    public void verifyPrerequisites() {
    }

    @Override
    public int hashCode() {
        int hash = 5;
        hash = 37 * hash + (this.extension != null ? this.extension.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final ZIPArchiver other = (ZIPArchiver) obj;
        if ((this.extension == null) ? (other.extension != null) : !this.extension.equals(other.extension)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return getExtension();
    }
}