org.jdal.aop.SerializableTargetSource.java Source code

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Here is the source code for org.jdal.aop.SerializableTargetSource.java

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/*
 * Copyright 2009-2012 Jose Luis Martin.
 *
 * 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.jdal.aop;

import org.springframework.aop.target.AbstractBeanFactoryBasedTargetSource;
import org.springframework.beans.factory.BeanFactory;

/**
 * SimpleBeanTargetSource that use a transient target to avoid serialization issues 
 * in a container with prototypes beans.
 * 
 * @author Jose Luis Martin
 * @since 2.0
 */
public class SerializableTargetSource extends AbstractBeanFactoryBasedTargetSource {

    private transient Object target;
    private boolean cacheTargetObject;

    public SerializableTargetSource(BeanFactory beanFactory, String targetBeanName, boolean cacheTargetObject) {
        setTargetBeanName(targetBeanName);
        setBeanFactory(beanFactory);
        this.cacheTargetObject = cacheTargetObject;
    }

    @Override
    public Object getTarget() throws Exception {
        if (cacheTargetObject) {
            if (target == null)
                target = getBeanFactory().getBean(getTargetBeanName());

            return target;
        }

        return getBeanFactory().getBean(getTargetBeanName());
    }

}