com.jaspersoft.jasperserver.api.common.util.spring.BeanDefinitionOverrider.java Source code

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Here is the source code for com.jaspersoft.jasperserver.api.common.util.spring.BeanDefinitionOverrider.java

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/*
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.jaspersoft.jasperserver.api.common.util.spring;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.core.Ordered;

/**
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: BeanDefinitionOverrider.java 47331 2014-07-18 09:13:06Z kklein $
 */
public class BeanDefinitionOverrider implements BeanFactoryPostProcessor, Ordered {

    private static final Log log = LogFactory.getLog(BeanDefinitionOverrider.class);

    private int order;
    private String originalBeanName;
    private String overridingBeanName;
    private boolean mergeProperties = true;

    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
        overrideDefinition(beanFactory);
    }

    protected void overrideDefinition(ConfigurableListableBeanFactory beanFactory) {
        BeanDefinition originalBean = beanFactory.getBeanDefinition(originalBeanName);
        BeanDefinition overridingBean = beanFactory.getBeanDefinition(overridingBeanName);

        if (log.isDebugEnabled()) {
            log.debug("Overriding " + originalBeanName + " bean definition with " + overridingBeanName);
        }

        if (!originalBean.getBeanClassName().equals(overridingBean.getBeanClassName())) {
            if (log.isDebugEnabled()) {
                log.debug("Setting " + originalBeanName + " class name to " + " to "
                        + overridingBean.getBeanClassName());
            }

            originalBean.setBeanClassName(overridingBean.getBeanClassName());
        }

        if (log.isDebugEnabled()) {
            log.debug("Adding " + overridingBeanName + " properties to " + originalBeanName);
        }

        MutablePropertyValues originalProps = originalBean.getPropertyValues();
        MutablePropertyValues overridingProps = overridingBean.getPropertyValues();

        if (!mergeProperties) {
            originalProps.getPropertyValueList().clear();
        }

        originalProps.addPropertyValues(overridingProps);
    }

    public String getOriginalBeanName() {
        return originalBeanName;
    }

    public void setOriginalBeanName(String originalBeanName) {
        this.originalBeanName = originalBeanName;
    }

    public String getOverridingBeanName() {
        return overridingBeanName;
    }

    public void setOverridingBeanName(String overridingBeanName) {
        this.overridingBeanName = overridingBeanName;
    }

    public void setOrder(int order) {
        this.order = order;
    }

    public int getOrder() {
        return order;
    }

    public boolean isMergeProperties() {
        return mergeProperties;
    }

    public void setMergeProperties(boolean mergeProperties) {
        this.mergeProperties = mergeProperties;
    }

}