import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class unzipFile {

    public void extractFile(String filePath, String destination) {

        try {
            FileInputStream inputStream = new FileInputStream(filePath);
            ZipInputStream zipStream = new ZipInputStream(inputStream);
            ZipEntry zEntry = null;
            while ((zEntry = zipStream.getNextEntry()) != null) {

                if (zEntry.isDirectory()) {
                    hanldeDirectory(zEntry.getName(), destination);
                } else {
                    FileOutputStream fout = new FileOutputStream(
                            destination + "/" + zEntry.getName());
                    BufferedOutputStream bufout = new BufferedOutputStream(fout);
                    byte[] buffer = new byte[1024];
                    int read = 0;
                    while ((read = zipStream.read(buffer)) != -1) {
                        bufout.write(buffer, 0, read);
                    }

                    zipStream.closeEntry();
                    bufout.close();
                    fout.close();
                }
            }
            zipStream.close();
            System.out.println("Unzip" + " " + "Unzipping complete. path :  " + destination);
        } catch (Exception e) {
            System.out.println("Unzip" +" " + "Unzipping failed");
            e.printStackTrace();
        }

    }

    public void hanldeDirectory(String dir, String destination) {
        File f = new File(destination + dir);
        if (!f.isDirectory()) {
            f.mkdirs();
        }
    }
}