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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.shiro.spring;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.shiro.event.EventBus;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.shiro.event.EventBusAware;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.shiro.event.Subscribe;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.shiro.util.ClassUtils;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.shiro.util.CollectionUtils;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.springframework.beans.BeansException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.springframework.beans.factory.config.BeanPostProcessor;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.List;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span>/**<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * Spring {@link BeanPostProcessor} that detects, {@link EventBusAware} and classes containing {@link Subscribe @Subscribe} methods.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Any classes implementing EventBusAware will have the setEventBus() method called with the <code>eventBus</code>. Any<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * classes discovered with methods that are annotated with @Subscribe will be automaticly registered with the EventBus.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> *<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * <p><strong>NOTE:</strong> in a Spring environment implementing EventBusAware is not necessary, as you can just inject the EventBus with<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * {@link org.springframework.beans.factory.annotation.Autowire @Autowire}.</p><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> *<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * @see EventBusAware<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * @see Subscribe<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * @since 1.4<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> */<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class ShiroEventBusBeanPostProcessor implements BeanPostProcessor {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> final private EventBus eventBus;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> public ShiroEventBusBeanPostProcessor(EventBus eventBus) {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> this.eventBus = eventBus;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> }<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @Override<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> return bean;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> @Override<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> if (bean instanceof EventBusAware) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> ((EventBusAware) bean).setEventBus(eventBus);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> else if (isEventSubscriber(bean)) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> eventBus.register(bean);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> return bean;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private boolean isEventSubscriber(Object bean) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> List annotatedMethods = ClassUtils.getAnnotatedMethods(bean.getClass(), Subscribe.class);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> return !CollectionUtils.isEmpty(annotatedMethods);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span>}<a name="line.73"></a> |
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