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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("<!DOCTYPE html>");
pw.println("<html>");
pw.println("<head>");
pw.println("<meta charset=\"UTF-8\">");
pw.println("<title>Parameters und Headers</title>");
pw.println("</head>");
pw.println("<body>");
pw.println("<h1>Header:</h1>");
pw.println("<table border=\"1\">");
for (String header : Collections.list(request.getHeaderNames()))
{
pw.print("<tr>");
pw.print("<td>" + header + "</td>");
pw.print("<td>");
for (String headerValue : Collections
.list(request.getHeaders(header)))
{
pw.print(headerValue + "<br>");
}
pw.print("</td>");
pw.println("</tr>");
}
pw.println("</table>");
pw.println("<h1>Header:</h1>");
pw.println("<table border=\"1\">");
for (String parameter : Collections.list(request.getParameterNames()))
{
pw.print("<tr>");
pw.print("<td>" + parameter + "</td>");
pw.print("<td>");
for (String parameterValue : request.getParameterValues(parameter))
{
pw.print(parameterValue + "<br>");
}
pw.print("</td>");
pw.println("</tr>");
}
pw.println("</table>");
pw.println("</body>");
pw.println("</html>");
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException
{
doGet(request, response);
}
}
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