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/**
 * Copyright (c) 2011-2015, James Zhan 詹波 ([email protected]).
 *
 * 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 com.jfinal.ext.plugin.spring;

import java.lang.reflect.Field;

import org.springframework.context.ApplicationContext;

import com.jfinal.aop.Interceptor;
import com.jfinal.aop.Invocation;
import com.jfinal.core.Controller;

/**
 * IocInterceptor.
 */
public class IocInterceptor implements Interceptor {
	
	static ApplicationContext ctx;
	
	public void intercept(Invocation ai) {
		Controller controller = ai.getController();
		Field[] fields = controller.getClass().getDeclaredFields();
		for (Field field : fields) {
			Object bean = null;
			if (field.isAnnotationPresent(Inject.BY_NAME.class))
				bean = ctx.getBean(field.getName());
			else if (field.isAnnotationPresent(Inject.BY_TYPE.class))
				bean = ctx.getBean(field.getType());
			else
				continue ;
			
			try {
				if (bean != null) {
					field.setAccessible(true);
					field.set(controller, bean);
				}
			} catch (Exception e) {
				throw new RuntimeException(e);
			}
		}
		
		ai.invoke();
	}

}




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