public boolean isAllowed(String uri, Authentication authentication) {
		return isAllowed(null, uri, null, authentication);
	}
public boolean isAllowed(String uri, Authentication authentication) {
		return isAllowed(null, uri, null, authentication);
	}
public boolean isAllowed ( String uri , Authentication authentication ) { return isAllowed ( null , uri , null , authentication ) ; }
Determines whether the user represented by the supplied <tt>Authentication</tt>
object is allowed to invoke the supplied URI.

@param uri the URI excluding the context path (a default context path setting will
be used)
Determines whether the user represented by the supplied <tt > Authentication< / tt > object is allowed to invoke the supplied URI .