Java tutorial
/* * Copyright 2007-2009 the original author or authors. * * 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.gzj.tulip.load.context; import java.io.IOException; import com.gzj.tulip.load.context.core.RoseResources; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.BeansException; import org.springframework.beans.factory.BeanFactoryUtils; import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; import org.springframework.beans.factory.support.BeanDefinitionRegistry; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextException; import org.springframework.context.annotation.AnnotationConfigUtils; import org.springframework.context.support.AbstractXmlApplicationContext; import org.springframework.core.io.Resource; import com.gzj.tulip.load.LoadScope; /** * * @author [qieqie.wang@gmail.com] * @author han.liao [in355hz@gmail.com] * */ public class RoseAppContext extends AbstractXmlApplicationContext { private Log logger = LogFactory.getLog(getClass()); private String[] scopeValues; public RoseAppContext() { this("", true); } public RoseAppContext(String scope, boolean refresh) { this(new LoadScope(scope, "applicationContext"), refresh); } public RoseAppContext(LoadScope scope, boolean refresh) { this.scopeValues = scope.getScope("applicationContext"); logger.info("create a RoseAppContext, with scope='" + scope + "'"); if (refresh) { refresh(); } } /** * Bean, ? {@link ApplicationContext} Bean. * * @param beanType - Bean * * @throws BeansException */ public <T> T getBean(Class<T> beanType) throws BeansException { return beanType.cast(BeanFactoryUtils.beanOfTypeIncludingAncestors(this, beanType)); } @Override protected final Resource[] getConfigResources() { try { return getConfigResourcesThrowsIOException(); } catch (IOException e) { throw new ApplicationContextException("getConfigResources", e); } } protected Resource[] getConfigResourcesThrowsIOException() throws IOException { return RoseResources.findContextResources(this.scopeValues).toArray(new Resource[0]); } @Override protected void prepareBeanFactory(ConfigurableListableBeanFactory beanFactory) { prepareBeanFactoryByRose(beanFactory); super.prepareBeanFactory(beanFactory); } /** RoseBeanFactory???Rose? */ protected void prepareBeanFactoryByRose(ConfigurableListableBeanFactory beanFactory) { BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory; AnnotationConfigUtils.registerAnnotationConfigProcessors(registry); } public RoseAppContext getApplicationContext() { return this; } }