package examples.servlets;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import weblogic.html.*;
/**
* This is an example of a simple FormServlet. It
* also demonstrates the use of htmlKona tables.
*
* @author Copyright (c) 1996-98 by WebLogic, Inc. All Rights Reserved.
* @author Copyright (c) 1999-2000 by BEA Systems, Inc. All Rights Reserved.
*/
public class SimpleFormServlet extends HttpServlet{
ServletPage sp;
// Set up some arrays to make passing information easier.
final static int B_EMAIL = 0;
final static int B_NAME = 1;
final static int B_COMPANY = 2;
final static int B_STREET = 3;
final static int B_CITY = 4;
final static int B_STATE = 5;
final static int B_ZIPCODE = 6;
final static int B_COUNTRY = 7;
final static int B_PHONE = 8;
final static int B_MAX = 9;
static String label[] = new String[B_MAX];
static {
label[B_EMAIL] = "Email";
label[B_NAME] = "Name";
label[B_COMPANY] = "Company";
label[B_STREET] = "Street";
label[B_CITY] = "City";
label[B_STATE] = "State";
label[B_ZIPCODE] = "Zipcode";
label[B_COUNTRY] = "Country";
label[B_PHONE] = "Phone";
}
String value[] = new String[B_MAX];
static int maxlens[] = new int[B_MAX];
static {
maxlens[B_EMAIL] = 40;
maxlens[B_NAME] = 30;
maxlens[B_COMPANY] = 30;
maxlens[B_STREET] = 50;
maxlens[B_CITY] = 30;
maxlens[B_STATE] = 10;
maxlens[B_ZIPCODE] = 10;
maxlens[B_COUNTRY] = 15;
maxlens[B_PHONE] = 15;
}
/**
* Generates an htmlKona FormElement with the form fields already added
*/
private static FormElement getForm(String[] label, String[] value, int[] maxlens) {
TableElement tab = new TableElement();
for (int i = 0; i < B_MAX; i++) {
tab.addElement(new TableRowElement()
.addElement(new BoldElement(label[i]) + ":")
.addElement(new InputElement(label[i])
.setSize(30)
.setMaxlen(maxlens[i])
.setValue(value[i])));
}
tab.addElement(new TableRowElement()
.addElement(new TableDataElement(new InputElement("SUBMIT",
FieldType.submit)
.setValue("Register"))
.setColSpan(2)
.setAlign(AlignType.center)));
FormElement form = new FormElement("simpleFormServlet", "POST");
form.addElement(tab);
return form;
}
/**
* The doGet method handles the initial invokation of the servlet. It responds
* with a form, that will use the "POST" method to submit data.
*/
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException
{
try {
res.setContentType("text/html");
res.setHeader("Pragma", "no-cache");
ServletPage sp = new ServletPage();
sp = new ServletPage();
FormElement fe = getForm(label, value, maxlens);
sp.getBody()
.addElement(fe.asCenteredElement())
.addElement(MarkupElement.HorizontalLine);
sp.output(res.getOutputStream());
}
catch (Throwable th) {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
try {
PrintWriter ps = new PrintWriter(buf);
th.printStackTrace(ps);
ps.flush();
}
catch (Exception e) {}
}
}
/**
* Responds to the "POST" query from the original form supplied by the goGet()
* method.
*/
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException
{
res.setContentType("text/html");
res.setHeader("Pragma", "no-cache");
PrintWriter pw = new PrintWriter(res.getOutputStream(),true);
pw.println("Thank you!");
pw.println("Thank you for filling out our form. The information you have submitted is as follows:");
pw.println("");
pw.println("
");
String ParamString;
Enumeration ParamNames = req.getParameterNames();
while(ParamNames.hasMoreElements()){
ParamString = (String)ParamNames.nextElement();
if (!ParamString.equals("SUBMIT")) {
pw.println("" + ParamString + ": " +
req.getParameterValues(ParamString)[0]);
pw.println("
");
}
}
pw.println("");
return;
}
/**
* Simple info about the servlet.
*/
public String getServletInfo() {
return "A simple form servlet";
}
}