/* * Copyright 2004-2005 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springmodules.validation.valang.functions; /** * <p>NOT operation on boolean values. * * @author Steven Devijver * @since Apr 23, 2005 */ public class NotFunction extends AbstractFunction { public NotFunction(Function[] arguments, int line, int column) { super(arguments, line, column); definedExactNumberOfArguments(1); } protected Object doGetResult(Object target) { return !(((Boolean) getArguments()[0].getResult(target)).booleanValue()) ? Boolean.TRUE : Boolean.FALSE; } }