001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.util;
018
019 import org.apache.camel.Exchange;
020 import org.apache.camel.Predicate;
021
022 /**
023 * A helper for doing {@link Predicate} assertions.
024 *
025 * @version $Revision: 752893 $
026 */
027 public final class PredicateAssertHelper {
028
029 private PredicateAssertHelper() {
030 // Utility class
031 }
032
033 public static void assertMatches(Predicate predicate, String text, Exchange exchange) {
034 if (!predicate.matches(exchange)) {
035 if (text == null) {
036 throw new AssertionError(predicate + " on " + exchange);
037 } else {
038 throw new AssertionError(text + predicate + " on " + exchange);
039 }
040 }
041
042 }
043
044 }