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.management.mbean;
018
019import java.util.Iterator;
020
021import org.apache.camel.CamelContext;
022import org.apache.camel.model.Model;
023import org.apache.camel.model.ProcessorDefinition;
024import org.apache.camel.model.ProcessorDefinitionHelper;
025import org.apache.camel.model.RouteDefinition;
026
027/**
028 * A number of helper methods
029 */
030public final class ModelCamelContextHelper {
031
032    /**
033     * Utility classes should not have a public constructor.
034     */
035    private ModelCamelContextHelper() {
036    }
037
038    /**
039     * Checks if any of the Camel routes is using an EIP with the given name
040     *
041     * @param camelContext  the Camel context
042     * @param name          the name of the EIP
043     * @return <tt>true</tt> if in use, <tt>false</tt> if not
044     */
045    public static boolean isEipInUse(CamelContext camelContext, String name) {
046        for (RouteDefinition route : camelContext.getExtension(Model.class).getRouteDefinitions()) {
047            if (name.equals(route.getInput().getShortName())) {
048                return true;
049            }
050            Iterator<ProcessorDefinition> it = ProcessorDefinitionHelper.filterTypeInOutputs(route.getOutputs(), ProcessorDefinition.class);
051            while (it.hasNext()) {
052                ProcessorDefinition def = it.next();
053                if (name.equals(def.getShortName())) {
054                    return true;
055                }
056            }
057        }
058        return false;
059    }
060
061}