| /* |
| * 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 org.apache.shiro.SecurityUtils; |
| import org.apache.shiro.subject.Subject; |
| |
| |
| /** |
| * Base support class for implementations that reads and processes JSR-175 annotations. |
| * |
| * @since 0.9.0 |
| */ |
| public abstract class AnnotationHandler { |
| |
| /** |
| * The type of annotation this handler will process. |
| */ |
| protected Class<? extends Annotation> annotationClass; |
| |
| /** |
| * Constructs an <code>AnnotationHandler</code> who processes annotations of the |
| * specified type. Immediately calls {@link #setAnnotationClass(Class)}. |
| * |
| * @param annotationClass the type of annotation this handler will process. |
| */ |
| public AnnotationHandler(Class<? extends Annotation> annotationClass) { |
| setAnnotationClass(annotationClass); |
| } |
| |
| /** |
| * Returns the {@link org.apache.shiro.subject.Subject Subject} associated with the currently-executing code. |
| * <p/> |
| * This default implementation merely calls <code>{@link org.apache.shiro.SecurityUtils#getSubject SecurityUtils.getSubject()}</code>. |
| * |
| * @return the {@link org.apache.shiro.subject.Subject Subject} associated with the currently-executing code. |
| */ |
| protected Subject getSubject() { |
| return SecurityUtils.getSubject(); |
| } |
| |
| /** |
| * Sets the type of annotation this handler will inspect and process. |
| * |
| * @param annotationClass the type of annotation this handler will process. |
| * @throws IllegalArgumentException if the argument is <code>null</code>. |
| */ |
| protected void setAnnotationClass(Class<? extends Annotation> annotationClass) |
| throws IllegalArgumentException { |
| if (annotationClass == null) { |
| String msg = "annotationClass argument cannot be null"; |
| throw new IllegalArgumentException(msg); |
| } |
| this.annotationClass = annotationClass; |
| } |
| |
| /** |
| * Returns the type of annotation this handler inspects and processes. |
| * |
| * @return the type of annotation this handler inspects and processes. |
| */ |
| public Class<? extends Annotation> getAnnotationClass() { |
| return this.annotationClass; |
| } |
| |
| } |