com.github.lespaul361.commons.commonroutines.utilities.SerializationUtil Maven / Gradle / Ivy

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package com.github.lespaul361.commons.commonroutines.utilities;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 * A simple class with generic serialize and deserialize method implementations
 *
 * @author pankaj
 *
 */
public class SerializationUtil {

    // deserialize to Object from given file
    /**
     * Opens a serialized object
     *
     * @param fileName the full path to the serialized object
     * @return Object that is the serialized object
     * @throws IOException an error reading the file
     * @throws ClassNotFoundException class reading error
     */
    public static Object deserialize(String fileName) throws IOException,
            ClassNotFoundException {
        FileInputStream fis = new FileInputStream(fileName);
        ObjectInputStream ois = new ObjectInputStream(fis);
        Object obj = ois.readObject();
        ois.close();
        return obj;
    }

    // serialize the given object and save it to file
    /**
     * Saves an object to a file
     *
     * @param obj the object to be saved
     * @param fileName the full path of the file to save the information in
     * @throws IOException an error writing the file
     */
    public static void serialize(Object obj, String fileName)
            throws IOException {
        FileOutputStream fos = new FileOutputStream(fileName);
        ObjectOutputStream oos = new ObjectOutputStream(fos);
        oos.writeObject(obj);

        fos.close();
    }

}