| <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>DefaultAnnotationResolver.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">Apache Shiro :: Core</a> > <a href="index.source.html" class="el_package">org.apache.shiro.aop</a> > <span class="el_source">DefaultAnnotationResolver.java</span></div><h1>DefaultAnnotationResolver.java</h1><pre class="source lang-java linenums">/* |
| * 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.shiro.aop; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Method; |
| |
| /** |
| * Default {@code AnnotationResolver} implementation that merely inspects the |
| * {@link MethodInvocation MethodInvocation}'s {@link MethodInvocation#getMethod() target method}, |
| * and returns {@code targetMethod}.{@link Method#getAnnotation(Class) getAnnotation(class)}. |
| * <p/> |
| * Unfortunately Java's default reflection API for Annotations is not very robust, and this logic |
| * may not be enough - if the incoming method invocation represents a method from an interface, |
| * this default logic would not discover the annotation if it existed on the method implementation |
| * directly (as opposed to being defined directly in the interface definition). |
| * <p/> |
| * More complex class hierarchy traversal logic is required to exhaust a method's target object's |
| * classes, parent classes, interfaces and parent interfaces. That logic will likely be added |
| * to this implementation in due time, but for now, this implementation relies on the JDK's default |
| * {@link Method#getAnnotation(Class) Method.getAnnotation(class)} logic. |
| * |
| * @since 1.1 |
| */ |
| <span class="fc" id="L41">public class DefaultAnnotationResolver implements AnnotationResolver {</span> |
| |
| /** |
| * Returns {@code methodInvocation.}{@link org.apache.shiro.aop.MethodInvocation#getMethod() getMethod()}.{@link Method#getAnnotation(Class) getAnnotation(clazz)}. |
| * |
| * @param mi the intercepted method to be invoked. |
| * @param clazz the annotation class to use to find an annotation instance on the method. |
| * @return the discovered annotation or {@code null} if an annotation instance could not be |
| * found. |
| */ |
| public Annotation getAnnotation(MethodInvocation mi, Class<? extends Annotation> clazz) { |
| <span class="pc bpc" id="L52" title="1 of 2 branches missed."> if (mi == null) {</span> |
| <span class="nc" id="L53"> throw new IllegalArgumentException("method argument cannot be null");</span> |
| } |
| <span class="fc" id="L55"> Method m = mi.getMethod();</span> |
| <span class="pc bpc" id="L56" title="1 of 2 branches missed."> if (m == null) {</span> |
| <span class="nc" id="L57"> String msg = MethodInvocation.class.getName() + " parameter incorrectly constructed. getMethod() returned null";</span> |
| <span class="nc" id="L58"> throw new IllegalArgumentException(msg);</span> |
| |
| } |
| <span class="fc" id="L61"> Annotation annotation = m.getAnnotation(clazz);</span> |
| <span class="fc bfc" id="L62" title="All 2 branches covered."> if (annotation == null ) {</span> |
| <span class="fc" id="L63"> Object miThis = mi.getThis();</span> |
| //SHIRO-473 - miThis could be null for static methods, just return null |
| <span class="fc bfc" id="L65" title="All 2 branches covered."> annotation = miThis != null ? miThis.getClass().getAnnotation(clazz) : null;</span> |
| } |
| <span class="fc" id="L67"> return annotation;</span> |
| } |
| } |
| </pre><div class="footer"><span class="right">Created with <a href="http://www.eclemma.org/jacoco">JaCoCo</a> 0.7.7.201606060606</span></div></body></html> |
