how to do watermarking on images using java and jsp

dear friends we can make watermarking on images or logos using java .this code is useful for somebody want to write their logo or their company name on their images published on their website.this watermarking code is free and you can use this code for education purpose only. this watermarking code can be applied on jsp also.

------------------------------------------------
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.util.Random;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class Watermark
{
public static void main(String[] args)
{
try
{
Font font;
File _file = new File("C:/car.jpg");
Image src = ImageIO.read(_file);
int width = src.getWidth(null);
int height = src.getHeight(null);
System.out.println("X = "+width+" and Y = "+height);
BufferedImage image = new BufferedImage(width, height
, BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
g.drawImage(src, 0, 0, width, height, null);
// g.setBackground(Color.white);
g.setColor(Color.red);
g.setFont(new Font("Verdana", Font.BOLD, 20));

g.drawString("www.yourname.com", 5, height - (new
Font("Arial", Font.BOLD, 20)).getSize() / 2 - 5);
g.dispose();

FileOutputStream out = new FileOutputStream("C:/car2.jpg");
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
} catch (Exception ee)
{
System.out.println("Error Occurred : "+ee);
}
}
}
------------------------------