Java tutorial
/** * Copyright (c) 2011-2014, yycoder 692895299@qq.com * * 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 cn.easy.plugin.spring; import java.lang.reflect.Field; import org.springframework.context.ApplicationContext; import cn.easy.aop.Interceptor; import cn.easy.core.ActionInvocation; import cn.easy.core.Controller; /** * IocInterceptor. */ public class IocInterceptor implements Interceptor { static ApplicationContext ctx; public void intercept(ActionInvocation 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(); } }