Hi all!
here i m posting my Servlet page code by using which i retrieve blob data from mysql website, but my problem is that i have to display this data to a textarea on other jsp page.
Anyone can help please, its very urgent....
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.chatekids;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
*
* @author Nikita Chandra
*/
public class SelectPageContent extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
HttpSession session = request.getSession(true);
String sessionSelectedPage=(String)session.getAttribute("page");
out.println("<h3>SelectPage Servlet</h3>");
out.println("Selected Page = " +sessionSelectedPage);
Connection con= null;
PreparedStatement pstmt = null;
ResultSet rs = null;
String strQuery = "SELECT Contents FROM Pages WHERE PageName='"+sessionSelectedPage+"'";
con = (Connection) ConnectionClass.connection();
InputStream page;
try {
pstmt = con.prepareStatement(strQuery);
rs = pstmt.executeQuery();
while(rs.next()){
Blob content = rs.getBlob(1);
byte[] bytearray = new byte[1048576];
int size=0;
page = rs.getBinaryStream(1);
response.reset();
//response.setContentType("/home/sai13/PROJECTS/ChateKids/web/.jsp");
while((size=page.read(bytearray))!= -1 ){
response.getOutputStream().write(bytearray,0,size);
}
}
}
catch(Exception e){
System.out.println("Exception in parent Try block" + e);
}
finally{
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
* @return a String containing servlet description
*/
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}