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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.aop;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.aop.AnnotationResolver;</a> |
| <span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.aop.MethodInvocation;</a> |
| <span class="sourceLineNo">023</span><a id="line.23">import org.springframework.core.annotation.AnnotationUtils;</a> |
| <span class="sourceLineNo">024</span><a id="line.24">import org.springframework.util.ClassUtils;</a> |
| <span class="sourceLineNo">025</span><a id="line.25"></a> |
| <span class="sourceLineNo">026</span><a id="line.26">import java.lang.annotation.Annotation;</a> |
| <span class="sourceLineNo">027</span><a id="line.27">import java.lang.reflect.Method;</a> |
| <span class="sourceLineNo">028</span><a id="line.28"></a> |
| <span class="sourceLineNo">029</span><a id="line.29">/**</a> |
| <span class="sourceLineNo">030</span><a id="line.30"> * {@code AnnotationResolver} implementation that uses Spring's more robust</a> |
| <span class="sourceLineNo">031</span><a id="line.31"> * {@link AnnotationUtils AnnotationUtils} to find method annotations instead of the JDKs simpler</a> |
| <span class="sourceLineNo">032</span><a id="line.32"> * (and rather lacking) {@link Method}.{@link Method#getAnnotation(Class) getAnnotation(class)}</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * implementation.</a> |
| <span class="sourceLineNo">034</span><a id="line.34"> *</a> |
| <span class="sourceLineNo">035</span><a id="line.35"> * @since 1.1</a> |
| <span class="sourceLineNo">036</span><a id="line.36"> */</a> |
| <span class="sourceLineNo">037</span><a id="line.37">public class SpringAnnotationResolver implements AnnotationResolver {</a> |
| <span class="sourceLineNo">038</span><a id="line.38"></a> |
| <span class="sourceLineNo">039</span><a id="line.39"> public Annotation getAnnotation(MethodInvocation mi, Class<? extends Annotation> clazz) {</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> Method m = mi.getMethod();</a> |
| <span class="sourceLineNo">041</span><a id="line.41"></a> |
| <span class="sourceLineNo">042</span><a id="line.42"> Annotation a = AnnotationUtils.findAnnotation(m, clazz);</a> |
| <span class="sourceLineNo">043</span><a id="line.43"> if (a != null) return a;</a> |
| <span class="sourceLineNo">044</span><a id="line.44"></a> |
| <span class="sourceLineNo">045</span><a id="line.45"> //The MethodInvocation's method object could be a method defined in an interface.</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> //However, if the annotation existed in the interface's implementation (and not</a> |
| <span class="sourceLineNo">047</span><a id="line.47"> //the interface itself), it won't be on the above method object. Instead, we need to</a> |
| <span class="sourceLineNo">048</span><a id="line.48"> //acquire the method representation from the targetClass and check directly on the</a> |
| <span class="sourceLineNo">049</span><a id="line.49"> //implementation itself:</a> |
| <span class="sourceLineNo">050</span><a id="line.50"> Class<?> targetClass = mi.getThis().getClass();</a> |
| <span class="sourceLineNo">051</span><a id="line.51"> m = ClassUtils.getMostSpecificMethod(m, targetClass);</a> |
| <span class="sourceLineNo">052</span><a id="line.52"> a = AnnotationUtils.findAnnotation(m, clazz);</a> |
| <span class="sourceLineNo">053</span><a id="line.53"> if (a != null) return a;</a> |
| <span class="sourceLineNo">054</span><a id="line.54"> // See if the class has the same annotation</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> return AnnotationUtils.findAnnotation(mi.getThis().getClass(), clazz);</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> }</a> |
| <span class="sourceLineNo">057</span><a id="line.57">}</a> |
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