actionservlet.java

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package com.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dom4j.ActionDTO;
import com.dom4j.SMSConfig;



/**
 * Servlet implementation class for Servlet: ActionServlet
 *
 */
 public class ActionServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   
	private static SMSConfig config;

static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public ActionServlet() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		process(request,response);
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		process(request,response);
	}  
	protected void process(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		String uripath=request.getRequestURI();
		if(uripath!=""){
		int start=uripath.lastIndexOf("/");
		int end=uripath.lastIndexOf(".");
		
		String path=uripath.substring(start+1,end);

			
		
		
		ActionDTO dto=config.getActionMap().get(path);
		
		try {
			
			AbstractAction action=(AbstractAction) Class.forName(dto.getName()).newInstance();
		   
			String redir=action.process(request, response);
			 if(dto.getRedirect().equalsIgnoreCase("false")){
		    RequestDispatcher rd=request.getRequestDispatcher(redir);
			rd.forward(request,response);
		    }
		
			 
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InstantiationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		}
		
	} 
	
	
	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		super.destroy();
	}

	@Override
	public void init() throws ServletException {
		// TODO Auto-generated method stub
		config=SMSConfig.getSMSConfig();
		String realpath=this.getServletContext().getRealPath("/");
		config.readXML(realpath+"/WEB-INF/SMSConfig.xml");
	
		
		
	}
}