Java/Servlets/wml
wml content type
<source lang="java">
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("
");
out.println(" Area code "" + code + ""
");
if (region != null) {
out.println(" is " + region + ".
");
} else {
out.println(" is not valid.
");
}
out.println("
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>
Enter an Area Code: <input type="text" name="code"/>
</card>
</wml>
- /
</source>