public void assignGroup(XEvent event, String group) {
		if (group != null && group.trim().length() > 0) {
			XAttributeLiteral attr = (XAttributeLiteral) ATTR_GROUP.clone();
			attr.setValue(group.trim());
			event.getAttributes().put(KEY_GROUP, attr);
		}
	}
public void assignGroup ( XEvent event , String group ) { if ( group != null && group . trim ( ) . length ( ) > 0 ) { XAttributeLiteral attr = ( XAttributeLiteral ) ATTR_GROUP . clone ( ) ; attr . setValue ( group . trim ( ) ) ; event . getAttributes ( ) . put ( KEY_GROUP , attr ) ; } }
Assigns the group attribute value for a given event.

@param event
Event to be modified.
@param resource
Group string to be assigned.