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Passing HTTP Parameters To Ajax Callback Methods
The following example demonstrates capturing the window position and adding a URL parameter to the Ajax request (assumes "window.pos" exists):
webPage.add(new AbstractAjaxTimerBehavior(duration) {
private static final long serialVersionUID = 1L;
/**
* {@inheritDoc}
*/
@Override
public final CharSequence getCallbackUrl(final boolean onlyTargetActivePage) {
return super.getCallbackUrl(onlyTargetActivePage)) + "&pos=window.pos";
}
/**
* {@inheritDoc}
*/
@Override
protected final void onTimer(final AjaxRequestTarget target) {
final String pos = getRequest().getParameter("pos");
// process pos ...
}
});