package com.ociweb.j2me.servlet;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class EchoServlet extends HttpServlet {
private static final String PLAIN_CONTENT_TYPE = "text/plain";
private static final String HTML_CONTENT_TYPE = "text/html";
private static final String USER_AGENT_PROPERTY_NAME = "User-Agent";
private static final String MIDP_USER_AGENT = "Profile/MIDP-1.0 Configuration/CLDC-1.0";
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGetAndPost("GET", request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGetAndPost("POST", request, response);
}
private void doGetAndPost(String title, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String userAgent = request.getHeader(USER_AGENT_PROPERTY_NAME);
if (MIDP_USER_AGENT.equals(userAgent)) {
// send back plain text
response.setContentType(PLAIN_CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println(title + " Requests");
Enumeration enum = request.getParameterNames();
while (enum.hasMoreElements()) {
String paramName = enum.nextElement().toString();
String paramValue = request.getParameter(paramName);
out.println(paramName + ": " + paramValue);
}
} else {
// send back HTML
response.setContentType(HTML_CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println("");
out.println("" + title + " Requests");
out.println("");
out.println("Params:
");
Enumeration enum = request.getParameterNames();
while (enum.hasMoreElements()) {
String paramName = enum.nextElement().toString();
String paramValue = request.getParameter(paramName);
out.println("
" + paramName + ": " + paramValue);
}
out.println("");
}
}
}