| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.spring.spi; |
| |
| import java.util.Map; |
| |
| import org.apache.camel.NoSuchBeanException; |
| import org.apache.camel.spi.Registry; |
| import org.springframework.beans.factory.BeanNotOfRequiredTypeException; |
| import org.springframework.beans.factory.NoSuchBeanDefinitionException; |
| import org.springframework.context.ApplicationContext; |
| |
| /** |
| * A {@link Registry} implementation which looks up the objects in the Spring |
| * {@link ApplicationContext} |
| * |
| * @version |
| */ |
| public class ApplicationContextRegistry implements Registry { |
| private ApplicationContext applicationContext; |
| |
| public ApplicationContextRegistry(ApplicationContext applicationContext) { |
| this.applicationContext = applicationContext; |
| } |
| |
| public <T> T lookup(String name, Class<T> type) { |
| Object answer; |
| try { |
| answer = applicationContext.getBean(name, type); |
| } catch (NoSuchBeanDefinitionException e) { |
| return null; |
| } catch (BeanNotOfRequiredTypeException e) { |
| return null; |
| } |
| |
| // just to be safe |
| if (answer == null) { |
| return null; |
| } |
| |
| try { |
| return type.cast(answer); |
| } catch (Throwable e) { |
| String msg = "Found bean: " + name + " in ApplicationContext: " + applicationContext |
| + " of type: " + answer.getClass().getName() + " expected type was: " + type; |
| throw new NoSuchBeanException(name, msg, e); |
| } |
| } |
| |
| public Object lookup(String name) { |
| try { |
| return applicationContext.getBean(name); |
| } catch (NoSuchBeanDefinitionException e) { |
| return null; |
| } |
| } |
| |
| public <T> Map<String, T> lookupByType(Class<T> type) { |
| return applicationContext.getBeansOfType(type); |
| } |
| } |