| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.util; |
| |
| import org.apache.camel.BinaryPredicate; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Predicate; |
| |
| /** |
| * A helper for doing {@link Predicate} assertions. |
| * |
| * @version |
| */ |
| public final class PredicateAssertHelper { |
| |
| private PredicateAssertHelper() { |
| // Utility class |
| } |
| |
| public static void assertMatches(Predicate predicate, String text, Exchange exchange) { |
| ObjectHelper.notNull(predicate, "predicate"); |
| ObjectHelper.notNull(exchange, "exchange"); |
| |
| if (predicate instanceof BinaryPredicate) { |
| // special for binary evaluable as we can get more detailed information |
| BinaryPredicate eval = (BinaryPredicate) predicate; |
| String evalText = eval.matchesReturningFailureMessage(exchange); |
| if (evalText != null) { |
| throw new AssertionError(text + predicate + " evaluated as: " + evalText + " on " + exchange); |
| } |
| } else { |
| doAssertMatches(predicate, text, exchange); |
| } |
| } |
| |
| private static void doAssertMatches(Predicate predicate, String text, Exchange exchange) { |
| if (!predicate.matches(exchange)) { |
| if (text == null) { |
| throw new AssertionError(predicate + " on " + exchange); |
| } else { |
| throw new AssertionError(text + predicate + " on " + exchange); |
| } |
| } |
| } |
| |
| } |