java - GWT: Capturing URL parameters in GET request

Question

I need to build a GWT application that will be called by an external application with specific URL parameters.

For example:

http://www.somehost.com/com.app.client.Order.html?orderId=99999.

How do I capture the orderId parameter inside the GWT application?

Answer 1

Try,

String value = com.google.gwt.user.client.Window.Location.getParameter("orderId");
// parse the value to int

P.S. GWT can invoke native javascript which means if javascript can do the stuff, GWT can do it too; e.g. in GWT, you can write

public static native void alert(String msg)
/*-{
 $wnd.alert("Hey I am javascript");
}-*/;

In this case, you can even use existing javascript lib to extract param's value in the querystring.