/*
 * ObjectSaver.java
 *
 * Created on 6 de Outubro de 2006, 15:05
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package classes;

import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

/**
 *
 * @author lchernicharo
 */
public class ObjectSaver {
    
    private ObjectSaver() {
    }
    
    public static boolean saveObject( String fileName, Object obj ){
        XMLEncoder e = null;
        try {
            e = new XMLEncoder( new BufferedOutputStream( new FileOutputStream( fileName ) ) );
            e.writeObject( obj );
            return true;
        } catch (FileNotFoundException ex) {
            return false;
        }
        finally{
            e.close();
        }
    }
    
    public static Object readObject( String fileName ){
        XMLDecoder d = null;
        Object o = null;
        try {
            d = new XMLDecoder( new BufferedInputStream( new FileInputStream( fileName ) ) );
            o = d.readObject();
        } catch (FileNotFoundException ex) {
            //
        }

        return o;
    }
    
    public static boolean deleteObject( String fileName ){
        File f = new File( fileName );
        if( f.exists() ){
            f.delete();
            return true;
        }
        else{
            return false;
        }
    }
}