Java/Servlets/wml

wml content type

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Properties;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class AreaCode extends HttpServlet {
  private Object[][] data = new Object[][] { { "Yukon Territory", new int[] { 867 } }, };
  Properties lookup = new Properties();
  public void init() {
    for (int i = 0; i < data.length; i++) {
      Object[] record = data[i];
      String state = (String) record[0];
      int[] codes = (int[]) record[1];
      for (int j = 0; j < codes.length; j++) {
        lookup.put(String.valueOf(codes[j]), state);
      }
    }
  }
  public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
      IOException {
    res.setContentType("text/vnd.wap.wml");
    PrintWriter out = res.getWriter();
    String msg = null;
    String code = req.getParameter("code");
    String region = null;
    if (code != null) {
      region = lookup.getProperty(code);
    }
    out.println("<?xml version=\"1.0\"?>");
    out.println("<!DOCTYPE wml PUBLIC " + "\"-//WAPFORUM//DTD WML 1.1//EN\" "
        + "\"http://www.wapforum.org/DTD/wml_1.1.xml\">");
    out.println("<wml>");
    out.println("<card id=\"Code\" title=\"Code\">");
    out.println("  <p>");
    out.println("  Area code "" + code + ""<br/>");
    if (region != null) {
      out.println("  is " + region + ".<br/>");
    } else {
      out.println("  is not valid.<br/>");
    }
    out.println("  </p>");
    out.println("</card>");
    out.println("</wml>");
  }

}
/*
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC
  "-//WAPFORUM//DTD WML 1.1//EN"
  "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
  <card id="AreaCode" title="Enter an Area Code">
    <do type="accept" label="Enter">
      <go href="servlet/AreaCode?code=$(code)"/>
    </do>
    <p>
    Enter an Area Code: <input type="text" name="code"/>
    </p>
  </card>
</wml>
*/