001/*
002 * Copyright 2002-2015 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.framework.autoproxy.target;
018
019import org.springframework.aop.target.AbstractBeanFactoryBasedTargetSource;
020import org.springframework.aop.target.CommonsPool2TargetSource;
021import org.springframework.aop.target.PrototypeTargetSource;
022import org.springframework.aop.target.ThreadLocalTargetSource;
023
024/**
025 * Convenient TargetSourceCreator using bean name prefixes to create one of three
026 * well-known TargetSource types:
027 * <li>: CommonsPool2TargetSource
028 * <li>% ThreadLocalTargetSource
029 * <li>! PrototypeTargetSource
030 *
031 * @author Rod Johnson
032 * @author Stephane Nicoll
033 * @see org.springframework.aop.target.CommonsPool2TargetSource
034 * @see org.springframework.aop.target.ThreadLocalTargetSource
035 * @see org.springframework.aop.target.PrototypeTargetSource
036 */
037public class QuickTargetSourceCreator extends AbstractBeanFactoryBasedTargetSourceCreator {
038
039        public static final String PREFIX_COMMONS_POOL = ":";
040        public static final String PREFIX_THREAD_LOCAL = "%";
041        public static final String PREFIX_PROTOTYPE = "!";
042
043        @Override
044        protected final AbstractBeanFactoryBasedTargetSource createBeanFactoryBasedTargetSource(
045                        Class<?> beanClass, String beanName) {
046
047                if (beanName.startsWith(PREFIX_COMMONS_POOL)) {
048                        CommonsPool2TargetSource cpts = new CommonsPool2TargetSource();
049                        cpts.setMaxSize(25);
050                        return cpts;
051                }
052                else if (beanName.startsWith(PREFIX_THREAD_LOCAL)) {
053                        return new ThreadLocalTargetSource();
054                }
055                else if (beanName.startsWith(PREFIX_PROTOTYPE)) {
056                        return new PrototypeTargetSource();
057                }
058                else {
059                        // No match. Don't create a custom target source.
060                        return null;
061                }
062        }
063
064}