Serialization , Marshalling

                                                                     
                                                                     
                                                                     
                                             
======serialization demo======================
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package zolt.newprograms;

/**
 *
 * @author raju_b
 */
import java.io.*;

public class SerializeDemo
{
   public static void main(String [] args)
   {
      Employee e = new Employee();
      e.name = "RAJREDDY";
      e.address = "HYDERABAD,AP";
      e.SSN = 11122333;
      e.number = 101;
      e.ram="Hello iam not serialized";
      try
      {
         FileOutputStream fileOut =
         new FileOutputStream("emprajreddy");
         ObjectOutputStream out =
                            new ObjectOutputStream(fileOut);
         out.writeObject(e);
         out.close();
          fileOut.close();
      }catch(IOException i)
      {
          i.printStackTrace();
      }
   }
}
======================deserialization demo===========================
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package zolt.newprograms;

/**
 *
 * @author raju_b
 */
import java.io.*;
import java.util.Calendar;
   public class DeserializeDemo
   {
      public static void main(String [] args)
      {
         Employee e = null;
         try
         {
            FileInputStream fileIn =
                          new FileInputStream("emprajreddy");
            ObjectInputStream in = new ObjectInputStream(fileIn);
            e = (Employee) in.readObject();
            in.close();
            fileIn.close();
        }catch(IOException i)
        {
            i.printStackTrace();
            return;
        }catch(ClassNotFoundException c)
        {
            System.out.println("Employee class not found.");
            c.printStackTrace();
            return;
        }
        System.out.println("Deserialized Employee...");
        System.out.println("Name: " + e.name);
        System.out.println("Address: " + e.address);
        System.out.println("SSN: " + e.SSN);
        System.out.println("Number: " + e.number);
         System.out.println("Number: " + e.ram);
          System.out.println("Flattened time: " + e.timenew);
          System.out.println("stored time is: " + e.time);
         System.out.println();
     // print out the current time
  System.out.println("Current time: " + Calendar.getInstance().getTime());
    }
}
=================================Employee class====================
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package zolt.newprograms;
import java.io.*;
import java.util.Calendar;
import java.util.Date;

/**
 *
 * @author raju_b
 */
public class Employee implements java.io.Serializable
{
   public String name;
   public String address;
   public int SSN;
   transient public String  ram;
   public int number;
   public Date time;
   
   
   Date timenew=Calendar.getInstance().getTime();
    public Employee()
   {
      time = Calendar.getInstance().getTime();
       System.out.println("the time in emp is="+time);
    }

    public Date getTime()
    {
      return time;
    }
   public void mailCheck()
   {
      System.out.println("Mailing a check to " + name
                           + " " + address);
   }
}
========================Marshalling demo=====JavaToXML====================
import java.math.BigDecimal;
 
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
 
public class JavaToXML {
    public static void main(String[] args) throws Exception {
        JAXBContext context = JAXBContext.newInstance(Product.class);
 
        Marshaller m = context.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
 
        Product object = new Product();
        object.setCode("WI1");
        object.setName("Widget Number One");
        object.setPrice(BigDecimal.valueOf(300.00));
 
        m.marshal(object, System.out);
    }
}
================Un-Marshalling xmltojava=====================
import java.io.File;
 
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
 
public class XmlToJava {
 
    public static void main(String[] args) {
        try {
            JAXBContext jc = JAXBContext.newInstance(Product.class);
            Unmarshaller u = jc.createUnmarshaller();
 
            File f = new File("Product.xml");
            Product product = (Product) u.unmarshal(f);
 
            System.out.println(product.getCode());
            System.out.println(product.getName());
            System.out.println(product.getPrice());
        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }
}