001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.aop.config;
018
019import org.springframework.beans.factory.config.BeanDefinition;
020import org.springframework.beans.factory.parsing.AbstractComponentDefinition;
021import org.springframework.lang.Nullable;
022import org.springframework.util.Assert;
023
024/**
025 * {@link org.springframework.beans.factory.parsing.ComponentDefinition}
026 * implementation that holds a pointcut definition.
027 *
028 * @author Rob Harrop
029 * @since 2.0
030 */
031public class PointcutComponentDefinition extends AbstractComponentDefinition {
032
033        private final String pointcutBeanName;
034
035        private final BeanDefinition pointcutDefinition;
036
037        private final String description;
038
039
040        public PointcutComponentDefinition(String pointcutBeanName, BeanDefinition pointcutDefinition, String expression) {
041                Assert.notNull(pointcutBeanName, "Bean name must not be null");
042                Assert.notNull(pointcutDefinition, "Pointcut definition must not be null");
043                Assert.notNull(expression, "Expression must not be null");
044                this.pointcutBeanName = pointcutBeanName;
045                this.pointcutDefinition = pointcutDefinition;
046                this.description = "Pointcut <name='" + pointcutBeanName + "', expression=[" + expression + "]>";
047        }
048
049
050        @Override
051        public String getName() {
052                return this.pointcutBeanName;
053        }
054
055        @Override
056        public String getDescription() {
057                return this.description;
058        }
059
060        @Override
061        public BeanDefinition[] getBeanDefinitions() {
062                return new BeanDefinition[] {this.pointcutDefinition};
063        }
064
065        @Override
066        @Nullable
067        public Object getSource() {
068                return this.pointcutDefinition.getSource();
069        }
070
071}