import java.io.* ;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Simple extends HttpServlet {
static final boolean DEBUG = true ;
static final String [] heads = {"name", "quest", "colour", "pet", "describe", "text"} ;
static final int NAME = 0, QUEST = 1, COLOUR = 2, PET = 3, DESCRIBE = 4, TEXT = 5 ;
public void init(ServletConfig config)
throws ServletException
{
super.init(config);
}
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter toClient = res.getWriter();
String [][] given = new String [heads.length][] ;
Enumeration values = req.getParameterNames();
int i ;
while(values.hasMoreElements()) {
String name = (String)values.nextElement();
i = 0 ;
while (!(name.equals(heads[i]))) i++ ;
given[i] = req.getParameterValues(name);
}
toClient.println("Simple Servlet Example") ;
toClient.println("") ;
toClient.println("This is output from the example Servlet
");
toClient.println("Hello, " + given[NAME][0].trim() + ", whose favorite colour is " + given[COLOUR][0].trim() + "") ;
toClient.println(", is on a quest which is " + given[QUEST][0].trim() + ",");
toClient.println("and is also a " + given[PET][0].trim() + " lover.");
toClient.println("");
if (given[DESCRIBE] == null) {
given[DESCRIBE] = new String [0] ;
toClient.println("You don't describe yourself!") ;
} else {
toClient.print("You describe yourself as ");
boolean wittyOrIntelligent = false, liar = false ;
for (int j = 0 ; j < given[DESCRIBE].length ; j++) {
String thisOne = given[DESCRIBE][j].trim() ;
toClient.print(thisOne);
if (thisOne.equals("witty") || thisOne.equals("intelligent")) wittyOrIntelligent = true ;
else if (thisOne.equals("a liar")) liar = true ;
if (j == given[DESCRIBE].length-2) toClient.println(" and ");
else if (j < given[DESCRIBE].length-2) toClient.println(", ") ;
}
toClient.println(".");
if (wittyOrIntelligent && !liar) toClient.println("Are you sure you aren't a liar?");
}
toClient.println("
");
toClient.println("This is what you have to say for yourself:");
toClient.println("
" + given[TEXT][0].trim() + "
");
toClient.println("");
if (DEBUG) {
toClient.println("
Debug info: Current settings in this form
");
toClient.println("");
for (i = 0; i < heads.length ; i++) {
toClient.println("- " + heads[i] + " ");
toClient.println("
");
for (int j = 0 ; j < given[i].length ; j++)
toClient.println("- "+ given[i][j]);
toClient.println("
");
}
}
toClient.println("
");
toClient.close();
}
}