getcustomerbeancontroller.java

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package itso.storedproc.web;
/**
*Description - GetCustomerBean Front Controller
* 
* The Controller is the initial point of contact for handling a request.  
* Place in this class any services you would like to do on every request
* (Logging, Dubuging, Authentication...)
*/
// Imports
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class GetCustomerBeanController
	extends HttpServlet
	implements Serializable {
	/**************************************************************
	* Initializes the servlet
	* @param config The servlets configuration information
	*/
	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		//Place code here to be done when the servlet is initialized
	}

	/***************************************************************
	* Destroy the Servlet
	*/
	public void destroy() {
		//Place code here to be done when the servlet is shutdown
	}

	/***************************************************************
	* This method is run once for each request.
	* @param request The incoming request information
	* @param response The outgoing response information
	*/
	public void performServices(
		HttpServletRequest request,
		HttpServletResponse response) {
		//Place any code here that you would like to run on every request
		//Logging, Authentication, Debugging...
	}

	/***************************************************************
	* Process both HTTP GET and HTTP POST methods
	* @param request The incoming request information
	* @param response The outgoing response information
	*/
	public void performTask(
		HttpServletRequest request,
		HttpServletResponse response)
		throws ServletException, IOException {
		String nextPage;
		try {
			//Perform any specialized sevices
			performServices(request, response);

			//Get the web page associated with the command in the request
			nextPage = getInitParameter(request.getParameter("command"));

		} catch (Exception ex) {
			//If an exception is thrown serve the error page
			nextPage = getInitParameter("error_page");
		}

		//Forward the request to the next page
		dispatch(request, response, nextPage);
	}

	/***************************************************************
	* Process incoming requests for a HTTP GET method
	* @param request The incoming request information
	* @param response The outgoing response information
	*/
	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
		performTask(request, response);
	}

	/***************************************************************
	* Process incoming requests for a HTTP POST method
	* @param request The incoming request information
	* @param response The outgoing response information
	*/
	public void doPost(
		HttpServletRequest request,
		HttpServletResponse response)
		throws ServletException, IOException {
		performTask(request, response);
	}

	/****************************************************************
	* Dispatches to the next page
	* @param request The incoming request information
	* @param response The outgoing response information
	* @param nextPage The page to dispatch to 
	*/
	public void dispatch(
		HttpServletRequest request,
		HttpServletResponse response,
		String nextPage)
		throws ServletException, IOException {
		RequestDispatcher dispatch = request.getRequestDispatcher(nextPage);
		dispatch.forward(request, response);
	}
}