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.FromDefinition;
023import org.apache.camel.model.ModelCamelContext;
024import org.apache.camel.model.ProcessorDefinition;
025import org.apache.camel.model.ProcessorDefinitionHelper;
026import org.apache.camel.model.RouteDefinition;
027
028/**
029 * A number of helper methods
030 */
031public final class ModelCamelContextHelper {
032
033    /**
034     * Utility classes should not have a public constructor.
035     */
036    private ModelCamelContextHelper() {
037    }
038
039    /**
040     * Checks if any of the Camel routes is using an EIP with the given name
041     *
042     * @param camelContext  the Camel context
043     * @param name          the name of the EIP
044     * @return <tt>true</tt> if in use, <tt>false</tt> if not
045     */
046    public static boolean isEipInUse(CamelContext camelContext, String name) {
047        for (RouteDefinition route : camelContext.adapt(ModelCamelContext.class).getRouteDefinitions()) {
048            for (FromDefinition from : route.getInputs()) {
049                if (name.equals(from.getShortName())) {
050                    return true;
051                }
052            }
053            Iterator<ProcessorDefinition> it = ProcessorDefinitionHelper.filterTypeInOutputs(route.getOutputs(), ProcessorDefinition.class);
054            while (it.hasNext()) {
055                ProcessorDefinition def = it.next();
056                if (name.equals(def.getShortName())) {
057                    return true;
058                }
059            }
060        }
061        return false;
062    }
063
064}