package de.fhswf.in.inf.fit.aufgabe2; import java.io.IOException; import java.io.PrintWriter; import java.util.Collections; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class HttpRequestPrinter */ @WebServlet("/HttpRequestPrinter") public class HttpRequestPrinter extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public HttpRequestPrinter() { super(); } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter pw = response.getWriter(); pw.println(""); pw.println(""); pw.println(""); pw.println(""); pw.println("Parameters und Headers"); pw.println(""); pw.println(""); pw.println("

Header:

"); pw.println(""); for (String header : Collections.list(request.getHeaderNames())) { pw.print(""); pw.print(""); pw.print(""); pw.println(""); } pw.println("

" + header + "

"); for (String headerValue : Collections .list(request.getHeaders(header))) { pw.print(headerValue + "
"); } pw.print("

"); pw.println("

Parameter:

"); pw.println(""); for (String parameter : Collections.list(request.getParameterNames())) { pw.print(""); pw.print(""); pw.print(""); pw.println(""); } pw.println("

" + parameter + "

"); for (String parameterValue : request.getParameterValues(parameter)) { pw.print(parameterValue + "
"); } pw.print("

"); pw.println(""); pw.println(""); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse * response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }