/*
* Copyright 2014 by SCSK Corporation.
*
* This file is part of PrimeCloud Controller(TM).
*
* PrimeCloud Controller(TM) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* PrimeCloud Controller(TM) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>.
*/
package jp.primecloud.auto.api.util;
import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* <p>
* TODO: クラスコメントを記述
* </p>
*
*/
public class BeanContext implements ApplicationContextAware, DisposableBean {
protected static ApplicationContext context;
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
context = applicationContext;
}
@Override
public void destroy() throws Exception {
context = null;
}
public static Object getBean(String id) {
return context.getBean(id);
}
public static <T> T getBean(Class<T> type) {
Map<String, T> beans = context.getBeansOfType(type);
if (beans.size() == 0) {
return null;
} else if (beans.size() > 1) {
throw new RuntimeException("Many beans of type " + type.getName() + " exist.");
}
return beans.values().iterator().next();
}
}