package com.sun.j2ee.workflow.control.web;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;/** * @author Jian (James) Cai */public class ReadLogFileServlet extends HttpServlet {	private ServletContext sc= null;	private String full_fname= null;	private File baseDir = null;	private String str = null;	private String file_name = null;	public void init(ServletConfig config) throws ServletException{		super.init(config);		sc = config.getServletContext();	}	public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException ,ServletException {			response.setContentType("text/html");			PrintWriter pw = response.getWriter();			//get the base directory for thr temp working files			baseDir = (File)sc.getAttribute("javax.servlet.context.tempdir");			//get the file name from the request parameter			file_name=(String)request.getParameter("resultfile");			full_fname = baseDir.toString()+baseDir.separator+file_name;			try{				BufferedReader bfr = new BufferedReader(new FileReader(full_fname));				while((str = bfr.readLine()) != null ){						pw.println(str);						//		pw.println("<br>");				}				bfr.close();				}catch(FileNotFoundException fnfe){ throw new ServletException(fnfe.toString());}			catch(SecurityException se){throw new ServletException(se.toString()); }    }	public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException ,ServletException {		  doGet(request,response);    }}