Utils.java Source code

Introduction

Here is the source code for Utils.java

Source

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Utils {
    /**
     * unpack a segment from a zip
     * 
     * @param addsi
     * @param packetStream
     * @param version
     */
    public static void unpack(InputStream source, File destination) throws IOException {
        ZipInputStream zin = new ZipInputStream(source);
        ZipEntry zipEntry = null;
        FileOutputStream fout = null;

        byte[] buffer = new byte[4096];
        while ((zipEntry = zin.getNextEntry()) != null) {

            long ts = zipEntry.getTime();
            // the zip entry needs to be a full path from the
            // searchIndexDirectory... hence this is correct

            File f = new File(destination, zipEntry.getName());

            f.getParentFile().mkdirs();

            fout = new FileOutputStream(f);
            int len;
            while ((len = zin.read(buffer)) > 0) {
                fout.write(buffer, 0, len);
            }
            zin.closeEntry();
            fout.close();
            f.setLastModified(ts);
        }
        fout.close();
    }
}