cn.sliew.carp.framework.web.util.SpringContextUtil Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sliew.carp.framework.web.util;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
@Component
public class SpringContextUtil implements ApplicationContextAware {
private static ApplicationContext applicationContext;
/**
* 获取spring applicationContext对象
*/
public static ApplicationContext getApplicationContext() {
return applicationContext;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
SpringContextUtil.applicationContext = applicationContext;
}
/**
* 通过名称获取bean对象
*/
@SuppressWarnings("unchecked")
public static T getBean(String name) {
if (applicationContext == null) {
return null;
} else {
return (T) applicationContext.getBean(name);
}
}
/**
* 按类型获取对象
*/
public static T getBean(Class clazz) {
return applicationContext.getBean(clazz);
}
}