home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Spring Framework example source code file (BeanNameAutoProxyCreator.java)

This example Spring Framework source code file (BeanNameAutoProxyCreator.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

abstractautoproxycreator, beannameautoproxycreator, beannameautoproxycreator, do_not_proxy, iterator, list, object, object, proxy_without_additional_interceptors, string, string, targetsource, targetsource, util

The Spring Framework BeanNameAutoProxyCreator.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;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.springframework.aop.TargetSource;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.util.Assert;
import org.springframework.util.PatternMatchUtils;
import org.springframework.util.StringUtils;

/**
 * Auto proxy creator that identifies beans to proxy via a list of names.
 * Checks for direct, "xxx*", and "*xxx" matches.
 *
 * <p>For configuration details, see the javadoc of the parent class
 * AbstractAutoProxyCreator. Typically, you will specify a list of
 * interceptor names to apply to all identified beans, via the
 * "interceptorNames" property.
 *
 * @author Juergen Hoeller
 * @since 10.10.2003
 * @see #setBeanNames
 * @see #isMatch
 * @see #setInterceptorNames
 * @see AbstractAutoProxyCreator
 */
public class BeanNameAutoProxyCreator extends AbstractAutoProxyCreator {

	private List beanNames;


	/**
	 * Set the names of the beans that should automatically get wrapped with proxies.
	 * A name can specify a prefix to match by ending with "*", e.g. "myBean,tx*"
	 * will match the bean named "myBean" and all beans whose name start with "tx".
	 * <p>NOTE: In case of a FactoryBean, only the objects created by the
	 * FactoryBean will get proxied. This default behavior applies as of Spring 2.0.
	 * If you intend to proxy a FactoryBean instance itself (a rare use case, but
	 * Spring 1.2's default behavior), specify the bean name of the FactoryBean
	 * including the factory-bean prefix "&": e.g. "&myFactoryBean".
	 * @see org.springframework.beans.factory.FactoryBean
	 * @see org.springframework.beans.factory.BeanFactory#FACTORY_BEAN_PREFIX
	 */
	public void setBeanNames(String[] beanNames) {
		Assert.notEmpty(beanNames, "'beanNames' must not be empty");
		this.beanNames = new ArrayList(beanNames.length);
		for (int i = 0; i < beanNames.length; i++) {
			this.beanNames.add(StringUtils.trimWhitespace(beanNames[i]));
		}
	}


	/**
	 * Identify as bean to proxy if the bean name is in the configured list of names.
	 */
	protected Object[] getAdvicesAndAdvisorsForBean(Class beanClass, String beanName, TargetSource targetSource) {
		if (this.beanNames != null) {
			for (Iterator it = this.beanNames.iterator(); it.hasNext();) {
				String mappedName = (String) it.next();
				if (FactoryBean.class.isAssignableFrom(beanClass)) {
					if (!mappedName.startsWith(BeanFactory.FACTORY_BEAN_PREFIX)) {
						continue;
					}
					mappedName = mappedName.substring(BeanFactory.FACTORY_BEAN_PREFIX.length());
				}
				if (isMatch(beanName, mappedName)) {
					return PROXY_WITHOUT_ADDITIONAL_INTERCEPTORS;
				}
			}
		}
		return DO_NOT_PROXY;
	}

	/**
	 * Return if the given bean name matches the mapped name.
	 * <p>The default implementation checks for "xxx*", "*xxx" and "*xxx*" matches,
	 * as well as direct equality. Can be overridden in subclasses.
	 * @param beanName the bean name to check
	 * @param mappedName the name in the configured list of names
	 * @return if the names match
	 * @see org.springframework.util.PatternMatchUtils#simpleMatch(String, String)
	 */
	protected boolean isMatch(String beanName, String mappedName) {
		return PatternMatchUtils.simpleMatch(mappedName, beanName);
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework BeanNameAutoProxyCreator.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.