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.component.controlbus; 018 019import java.util.Map; 020import java.util.concurrent.ExecutorService; 021 022import org.apache.camel.Endpoint; 023import org.apache.camel.impl.UriEndpointComponent; 024 025/** 026 * The <a href="http://camel.apache.org/controlbus.html">control bus</a> component. 027 */ 028public class ControlBusComponent extends UriEndpointComponent { 029 030 private ExecutorService executorService; 031 032 public ControlBusComponent() { 033 super(ControlBusEndpoint.class); 034 } 035 036 @Override 037 protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { 038 ControlBusEndpoint answer = new ControlBusEndpoint(uri, this); 039 040 // does the control bus use a language 041 if (remaining != null && remaining.startsWith("language:")) { 042 String lan = remaining.substring(9); 043 if (lan != null) { 044 answer.setLanguage(getCamelContext().resolveLanguage(lan)); 045 } else { 046 throw new IllegalArgumentException("Language must be configured in endpoint uri: " + uri); 047 } 048 } 049 050 setProperties(answer, parameters); 051 return answer; 052 } 053 054 synchronized ExecutorService getExecutorService() { 055 if (executorService == null) { 056 executorService = getCamelContext().getExecutorServiceManager().newDefaultThreadPool(this, "ControlBus"); 057 } 058 return executorService; 059 } 060 061 @Override 062 protected void doStop() throws Exception { 063 if (executorService != null) { 064 getCamelContext().getExecutorServiceManager().shutdownNow(executorService); 065 executorService = null; 066 } 067 super.doStop(); 068 } 069}