/** * Copyright (C) 2015 Valkyrie RCP * * 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.valkyriercp.rules.constraint.property; import org.springframework.util.Assert; import org.valkyriercp.rules.constraint.BinaryConstraint; import org.valkyriercp.rules.constraint.ConstraintsAccessor; public abstract class AbstractBinaryConstraint extends ConstraintsAccessor implements BinaryConstraint { public boolean test(Object argument1) { if (argument1 == null) { argument1 = new Object[0]; } Assert.isTrue(argument1.getClass().isArray(), "Binary argument must be an array"); Object[] arguments = (Object[])argument1; Assert.isTrue(arguments.length == 2, "Binary argument must contain 2 elements"); return test(arguments[0], arguments[1]); } }