// key is the parameter passed in from the javascript
// variable named url (see index.html)
String key = req.getParameter("key");
StringBuffer returnXML = null;
if (key != null) {
// extract the first character from key
// as an int, then convert that int to a String
int keyInt = key.charAt(0);
returnXML = new StringBuffer("\r\n<converted-values>");
returnXML.append("\r\n<decimal>"+
Integer.toString(keyInt)+"</decimal>");
returnXML.append("\r\n<hexadecimal>0x"+
Integer.toString(keyInt,16)+"</hexadecimal>");
returnXML.append("\r\n<octal>0"+
Integer.toString(keyInt,8)+"</octal>");
returnXML.append("\r\n<hyper>&0x"+
Integer.toString(keyInt,16)+";</hyper>");
returnXML.append("\r\n<binary>"+
Integer.toString(keyInt,2)+"B</binary>");
returnXML.append("\r\n</converted-values>");
// setup the response
res.setContentType("text/xml");
res.setHeader("Cache-Control", "no-cache");
// write out the xml string
res.getWriter().write(returnXML.toString());
}
else {
// If key comes back as a null, return a question mark.
res.setContentType("text/xml");
res.setHeader("Cache-Control", "no-cache");
res.getWriter().write("?");
}
