com.ikon.util.Serializer.java Source code

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Here is the source code for com.ikon.util.Serializer.java

Source

/**
 *  openkm, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2013  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.ikon.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ikon.core.Config;

public class Serializer {
    private static Logger log = LoggerFactory.getLogger(Serializer.class);

    /**
     * @param obj
     */
    public static void write(String filename, Object obj) {
        FileOutputStream fos = null;
        ObjectOutputStream oos = null;

        try {
            fos = new FileOutputStream(Config.HOME_DIR + File.separator + filename + ".ser");
            oos = new ObjectOutputStream(fos);
            oos.writeObject(obj);
        } catch (FileNotFoundException e) {
            log.error(e.getMessage());
        } catch (IOException e) {
            log.error(e.getMessage());
        } finally {
            IOUtils.closeQuietly(oos);
            IOUtils.closeQuietly(fos);
        }
    }

    /**
     * @param obj
     */
    public static byte[] write(Object obj) throws IOException {
        ByteArrayOutputStream baos = null;
        ObjectOutputStream oos = null;

        try {
            baos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(baos);
            oos.writeObject(obj);
            oos.flush();
            baos.flush();
            return baos.toByteArray();
        } finally {
            IOUtils.closeQuietly(oos);
            IOUtils.closeQuietly(baos);
        }
    }

    /**
     * @param obj
     */
    public static Object read(String filename) {
        FileInputStream fis = null;
        ObjectInputStream ois = null;
        Object obj = null;

        try {
            fis = new FileInputStream(Config.HOME_DIR + File.separator + filename + ".ser");
            ois = new ObjectInputStream(fis);
            obj = ois.readObject();
        } catch (FileNotFoundException e) {
            log.error(e.getMessage());
        } catch (IOException e) {
            log.error(e.getMessage());
        } catch (ClassNotFoundException e) {
            log.error(e.getMessage());
        } finally {
            IOUtils.closeQuietly(ois);
            IOUtils.closeQuietly(fis);
        }

        return obj;
    }

    /**
     * @param obj
     */
    public static Object read(byte[] data) throws IOException, ClassNotFoundException {
        ByteArrayInputStream bais = null;
        ObjectInputStream ois = null;

        try {
            bais = new ByteArrayInputStream(data);
            ois = new ObjectInputStream(bais);
            return ois.readObject();
        } finally {
            IOUtils.closeQuietly(ois);
            IOUtils.closeQuietly(bais);
        }
    }
}