Android Directory Compress compressDir(String dirPath, String archiveName)

Description

Compresses local directory to the archiveName

License

Open Source License

Parameter

Parameter	Description
dirPath	path to the directory
archiveName	the name of the ZIP archive that is going to be created

Exception

Parameter	Description
IOException	an exception

Declaration

public static void compressDir(String dirPath, String archiveName)
        throws IOException 

Method Source Code

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.net.URL;
import java.util.UUID;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import net.sf.json.JSON;
import net.sf.json.JSONObject;
import org.apache.log4j.Logger;

public class Main{
    private static Logger l = Logger.getLogger(FileUtil.class);
    private static final int BUF_SIZE = 2048;
    /**//  ww w . j a v a2 s. com
     * Compresses local directory to the archiveName
     *
     * @param dirPath     path to the directory
     * @param archiveName the name of the ZIP archive that is going to be created
     * @throws IOException
     */
    public static void compressDir(String dirPath, String archiveName)
            throws IOException {
        l.debug("Compressing " + dirPath + " -> " + archiveName);
        File d = new File(dirPath);
        if (d.isDirectory()) {
            File[] files = d.listFiles();
            byte data[] = new byte[BUF_SIZE];
            ZipOutputStream out = new ZipOutputStream(
                    new BufferedOutputStream(new FileOutputStream(
                            archiveName)));
            for (File file : files) {
                BufferedInputStream fi = new BufferedInputStream(
                        new FileInputStream(file), BUF_SIZE);
                ZipEntry entry = new ZipEntry(file.getName());
                out.putNextEntry(entry);
                int count;
                while ((count = fi.read(data, 0, BUF_SIZE)) != -1) {
                    out.write(data, 0, count);
                }
                fi.close();
            }
            out.close();
            File file = new File(archiveName);
        } else
            throw new IOException(
                    "The referenced directory isn't directory!");
        l.debug("Compressed " + dirPath + " -> " + archiveName);

    }
}