Spring Framework example source code file (QuickTargetSourceCreator.java)

This example Spring Framework source code file (QuickTargetSourceCreator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstractbeanfactorybasedtargetsource, abstractbeanfactorybasedtargetsource, abstractbeanfactorybasedtargetsourcecreator, class, commonspooltargetsource, commonspooltargetsource, prefix_commons_pool, prefix_commons_pool, prefix_thread_local, prototypetargetsource, quicktargetsourcecreator, string, string, threadlocaltargetsource

The Spring Framework QuickTargetSourceCreator.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * Licensed 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.springframework.aop.framework.autoproxy.target;

import org.springframework.aop.target.AbstractBeanFactoryBasedTargetSource;
import org.springframework.aop.target.CommonsPoolTargetSource;
import org.springframework.aop.target.PrototypeTargetSource;
import org.springframework.aop.target.ThreadLocalTargetSource;

/**
 * Convenient TargetSourceCreator using bean name prefixes to create one of three
 * well-known TargetSource types: 
 * <li>: CommonsPoolTargetSource
 * <li>% ThreadLocalTargetSource
 * <li>! PrototypeTargetSource
 *
 * @author Rod Johnson
 * @see org.springframework.aop.target.CommonsPoolTargetSource
 * @see org.springframework.aop.target.ThreadLocalTargetSource
 * @see org.springframework.aop.target.PrototypeTargetSource
 */
public class QuickTargetSourceCreator extends AbstractBeanFactoryBasedTargetSourceCreator {

	public static final String PREFIX_COMMONS_POOL = ":";
	public static final String PREFIX_THREAD_LOCAL = "%";
	public static final String PREFIX_PROTOTYPE = "!";

	protected final AbstractBeanFactoryBasedTargetSource createBeanFactoryBasedTargetSource(
			Class beanClass, String beanName) {

		if (beanName.startsWith(PREFIX_COMMONS_POOL)) {
			CommonsPoolTargetSource cpts = new CommonsPoolTargetSource();
			cpts.setMaxSize(25);
			return cpts;
		}
		else if (beanName.startsWith(PREFIX_THREAD_LOCAL)) {
			return new ThreadLocalTargetSource();
		}
		else if (beanName.startsWith(PREFIX_PROTOTYPE)) {
			return new PrototypeTargetSource();
		}
		else {
			// No match. Don't create a custom target source.
			return null;
		}
	}
	
}