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 */
017package org.apache.camel.model;
018
019import java.util.List;
020
021import org.apache.camel.CamelContext;
022import org.apache.camel.support.CamelContextHelper;
023import org.apache.camel.util.ObjectHelper;
024
025/**
026 * Helper for {@link RouteContextRefDefinition}.
027 */
028public final class RouteContextRefDefinitionHelper {
029
030    private RouteContextRefDefinitionHelper() {
031    }
032
033    /**
034     * Lookup the routes from the {@link RouteContextRefDefinition}.
035     *
036     * @param camelContext the CamelContext
037     * @param ref the id of the {@link RouteContextRefDefinition} to lookup and get the routes.
038     * @return the routes.
039     */
040    @SuppressWarnings("unchecked")
041    public static List<RouteDefinition> lookupRoutes(CamelContext camelContext, String ref) {
042        ObjectHelper.notNull(camelContext, "camelContext");
043        ObjectHelper.notNull(ref, "ref");
044
045        List<RouteDefinition> answer = CamelContextHelper.lookup(camelContext, ref, List.class);
046        if (answer == null) {
047            throw new IllegalArgumentException("Cannot find RouteContext with id " + ref);
048        }
049        return answer;
050    }
051
052}