| <?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>AnnotationEventListenerResolver.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 :: All (aggregate jar)</a> > <a href="../index.html" class="el_bundle">shiro-event</a> > <a href="index.source.html" class="el_package">org.apache.shiro.event.support</a> > <span class="el_source">AnnotationEventListenerResolver.java</span></div><h1>AnnotationEventListenerResolver.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.event.support; |
| |
| import org.apache.shiro.event.Subscribe; |
| import org.apache.shiro.util.ClassUtils; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Inspects an object for annotated methods of interest and creates an {@link EventListener} instance for each method |
| * discovered. An event bus will call the resulting listeners as relevant events arrive. |
| * <p/> |
| * The default {@link #setAnnotationClass(Class) annotationClass} is {@link Subscribe}, indicating each |
| * {@link Subscribe}-annotated method will be represented as an EventListener. |
| * |
| * @see SingleArgumentMethodEventListener |
| * @since 1.3 |
| */ |
| public class AnnotationEventListenerResolver implements EventListenerResolver { |
| |
| private Class<? extends Annotation> annotationClass; |
| |
| <span class="fc" id="L44"> public AnnotationEventListenerResolver() {</span> |
| <span class="fc" id="L45"> this.annotationClass = Subscribe.class;</span> |
| <span class="fc" id="L46"> }</span> |
| |
| /** |
| * Returns a new collection of {@link EventListener} instances, each instance corresponding to an annotated |
| * method discovered on the specified {@code instance} argument. |
| * |
| * @param instance the instance to inspect for annotated event handler methods. |
| * @return a new collection of {@link EventListener} instances, each instance corresponding to an annotated |
| * method discovered on the specified {@code instance} argument. |
| */ |
| public List<EventListener> getEventListeners(Object instance) { |
| <span class="fc bfc" id="L57" title="All 2 branches covered."> if (instance == null) {</span> |
| <span class="fc" id="L58"> return Collections.emptyList();</span> |
| } |
| |
| <span class="fc" id="L61"> List<Method> methods = ClassUtils.getAnnotatedMethods(instance.getClass(), getAnnotationClass());</span> |
| <span class="pc bpc" id="L62" title="1 of 4 branches missed."> if (methods == null || methods.isEmpty()) {</span> |
| <span class="fc" id="L63"> return Collections.emptyList();</span> |
| } |
| |
| <span class="fc" id="L66"> List<EventListener> listeners = new ArrayList<EventListener>(methods.size());</span> |
| |
| <span class="fc bfc" id="L68" title="All 2 branches covered."> for (Method m : methods) {</span> |
| <span class="fc" id="L69"> listeners.add(new SingleArgumentMethodEventListener(instance, m));</span> |
| <span class="fc" id="L70"> }</span> |
| |
| <span class="fc" id="L72"> return listeners;</span> |
| } |
| |
| /** |
| * Returns the type of annotation that indicates a method that should be represented as an {@link EventListener}, |
| * defaults to {@link Subscribe}. |
| * |
| * @return the type of annotation that indicates a method that should be represented as an {@link EventListener}, |
| * defaults to {@link Subscribe}. |
| */ |
| public Class<? extends Annotation> getAnnotationClass() { |
| <span class="fc" id="L83"> return annotationClass;</span> |
| } |
| |
| /** |
| * Sets the type of annotation that indicates a method that should be represented as an {@link EventListener}. |
| * The default value is {@link Subscribe}. |
| * |
| * @param annotationClass the type of annotation that indicates a method that should be represented as an |
| * {@link EventListener}. The default value is {@link Subscribe}. |
| */ |
| public void setAnnotationClass(Class<? extends Annotation> annotationClass) { |
| <span class="fc" id="L94"> this.annotationClass = annotationClass;</span> |
| <span class="fc" id="L95"> }</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> |
