/*
 * Copyright 2018 Jobsz ([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();
	}

}