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