Coverage Report - org.apache.camel.spring.SpringRouteBuilder
 
Classes in this File Line Coverage Branch Coverage Complexity
SpringRouteBuilder
0% 
0% 
0
 
 1  
 /**
 2  
  *
 3  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 4  
  * contributor license agreements.  See the NOTICE file distributed with
 5  
  * this work for additional information regarding copyright ownership.
 6  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 7  
  * (the "License"); you may not use this file except in compliance with
 8  
  * the License.  You may obtain a copy of the License at
 9  
  *
 10  
  * http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 package org.apache.camel.spring;
 19  
 
 20  
 import org.apache.camel.CamelContext;
 21  
 import org.apache.camel.Exchange;
 22  
 import org.apache.camel.builder.RouteBuilder;
 23  
 import org.springframework.context.ApplicationContext;
 24  
 
 25  
 /**
 26  
  * An extension of the {@link RouteBuilder} to provide some additional helper methods
 27  
  *
 28  
  * @version $Revision: 1.1 $
 29  
  */
 30  0
 public abstract class SpringRouteBuilder extends RouteBuilder {
 31  
     private ApplicationContext applicationContext;
 32  
 
 33  
     /**
 34  
      * Looks up the bean with the given name in the application context and returns it, or throws an exception if the
 35  
      * bean is not present or is not of the given type
 36  
      *
 37  
      * @param type     the type of the bean
 38  
      * @param beanName the name of the bean in the application context
 39  
      * @return the bean
 40  
      */
 41  
     public <T> T bean(Class<T> type, String beanName) {
 42  0
         ApplicationContext context = getApplicationContext();
 43  0
         return (T) context.getBean(beanName, type);
 44  
     }
 45  
 
 46  
     /**
 47  
      * Looks up the bean with the given type in the application context and returns it, or throws an exception if the
 48  
      * bean is not present or there are multiple possible beans to choose from for the given type
 49  
      *
 50  
      * @param type the type of the bean
 51  
      * @return the bean
 52  
      */
 53  
     public <T> T bean(Class<T> type) {
 54  0
         ApplicationContext context = getApplicationContext();
 55  0
         String[] names = context.getBeanNamesForType(type, true, true);
 56  0
         if (names != null) {
 57  0
             int count = names.length;
 58  0
             if (count == 1) {
 59  
                 // lets instantiate the single bean
 60  0
                 return (T) context.getBean(names[0]);
 61  
             }
 62  0
             else if (count > 1) {
 63  0
                 throw new IllegalArgumentException("Too many beans in the application context of type: " + type + ". Found: " + count);
 64  
             }
 65  
         }
 66  0
         throw new IllegalArgumentException("No bean available in the application context of type: " + type);
 67  
     }
 68  
 
 69  
     /**
 70  
      * Returns the application context which has been configured via the {@link #setApplicationContext(ApplicationContext)}
 71  
      * method  or from the underlying {@link SpringCamelContext}
 72  
      * 
 73  
      * @return
 74  
      */
 75  
     public ApplicationContext getApplicationContext() {
 76  0
         if (applicationContext == null) {
 77  0
             CamelContext camelContext = getContext();
 78  0
             if (camelContext instanceof SpringCamelContext) {
 79  0
                 SpringCamelContext springCamelContext = (SpringCamelContext) camelContext;
 80  0
                 return springCamelContext.getApplicationContext();
 81  
             }
 82  
             else {
 83  0
                 throw new IllegalArgumentException("This SpringBuilder is not being used with a SpringCamelContext and there is no applicationContext property configured");
 84  
             }
 85  
         }
 86  0
         return applicationContext;
 87  
     }
 88  
 
 89  
     /**
 90  
      * Sets the application context to use to lookup beans
 91  
      */
 92  
     public void setApplicationContext(ApplicationContext applicationContext) {
 93  0
         this.applicationContext = applicationContext;
 94  0
     }
 95  
 }