package com.ebhor.parametervalues;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "ParameterValues", urlPatterns = {"/parametervalues"})
public class ParameterValues extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet ParameterValues</title>");
out.println("</head>");
out.println("<body>");
Enumeration<String> parameterNames = request.getParameterNames();
out.println("<h1>Parameter name and values are</h1>");
while (parameterNames.hasMoreElements()) {
String parameterName = parameterNames.nextElement();
out.println("<h3>"+parameterName+"</h3>");
String[] values = request.getParameterValues(parameterName);
for (String value : values) {
out.println( value+"<br/>");
}
}
out.println("</body>");
out.println("</html>");
} finally {
out.close();
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
}