| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| SpringComponentResolver |
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| 0.0;0 |
| 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | package org.apache.camel.spring.spi; |
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| 18 | ||
| 19 | import org.apache.camel.CamelContext; |
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| 20 | import org.apache.camel.Component; |
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| 21 | import org.apache.camel.spi.ComponentResolver; |
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| 22 | ||
| 23 | import org.springframework.beans.factory.NoSuchBeanDefinitionException; |
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| 24 | import org.springframework.context.ApplicationContext; |
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| 25 | ||
| 26 | import static org.apache.camel.util.ObjectHelper.notNull; |
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| 27 | ||
| 28 | /** |
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| 29 | * An implementation of {@link ComponentResolver} which tries to find a Camel |
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| 30 | * {@link Component} in the Spring {@link ApplicationContext} first; if its not |
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| 31 | * there it defaults to the auto-discovery mechanism. |
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| 32 | * |
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| 33 | * @version $Revision: 563665 $ |
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| 34 | */ |
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| 35 | public class SpringComponentResolver implements ComponentResolver { |
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| 36 | private final ApplicationContext applicationContext; |
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| 37 | private final ComponentResolver nextResolver; |
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| 38 | ||
| 39 | 53 | public SpringComponentResolver(ApplicationContext applicationContext, ComponentResolver nextResolver) { |
| 40 | 53 | notNull(applicationContext, "applicationContext"); |
| 41 | 53 | this.applicationContext = applicationContext; |
| 42 | 53 | this.nextResolver = nextResolver; |
| 43 | 53 | } |
| 44 | ||
| 45 | public Component resolveComponent(String name, CamelContext context) throws Exception { |
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| 46 | 79 | Object bean = null; |
| 47 | try { |
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| 48 | 79 | bean = applicationContext.getBean(name); |
| 49 | 79 | } catch (NoSuchBeanDefinitionException e) { |
| 50 | // ignore its not an error |
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| 51 | 0 | } |
| 52 | 79 | if (bean != null) { |
| 53 | 0 | if (bean instanceof Component) { |
| 54 | 0 | return (Component)bean; |
| 55 | } else { |
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| 56 | 0 | throw new IllegalArgumentException("Bean with name: " + name + " in spring context is not a Component: " + bean); |
| 57 | } |
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| 58 | } |
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| 59 | 79 | if (nextResolver == null) { |
| 60 | 0 | return null; |
| 61 | } |
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| 62 | 79 | return nextResolver.resolveComponent(name, context); |
| 63 | } |
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| 64 | } |