org.horizontaldb.util.BeanUtils.java Source code

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Here is the source code for org.horizontaldb.util.BeanUtils.java

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/*
 * Copyright 2014 David Lukacs
 *
 * 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.horizontaldb.util;

import org.springframework.aop.framework.Advised;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class BeanUtils implements ApplicationContextAware {
    private ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    public <T> T getSpringBean(Class<T> beanType) {
        return applicationContext.getBean(beanType);
    }

    @SuppressWarnings("unchecked")
    public <T> T getSpringBean(String beanName) {
        return (T) applicationContext.getBean(beanName);
    }

    @SuppressWarnings("unchecked")
    public <T> T getUnpackedSpringBean(String beanName) {
        Object object = applicationContext.getBean(beanName);

        Object target = unpackDynamicProxy(object);

        return (T) target;
    }

    public Object unpackDynamicProxy(Object bean) {
        Object target = bean;

        if (AopUtils.isJdkDynamicProxy(bean)) {
            try {
                target = ((Advised) bean).getTargetSource().getTarget();
            } catch (Exception e) {
                throw new IllegalStateException(e);
            }
        }

        return target;
    }

}