com.vaadin.s4v.util.SpringUtil.java Source code

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Here is the source code for com.vaadin.s4v.util.SpringUtil.java

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/*
 * Copyright 2002-2014 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.vaadin.s4v.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author Serkan ZAL
 * 
 * Contact Informations:
 *       GitHub   : https://github.com/serkan-ozal
 *       LinkedIn : www.linkedin.com/in/serkanozal
 */
@Component
public class SpringUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        applicationContext = context;
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String beanName) {
        if (applicationContext == null) {
            return null;
        } else {
            return (T) applicationContext.getBean(beanName);
        }
    }

    public static <T> void autowire(T obj) {
        if (applicationContext != null) {
            applicationContext.getAutowireCapableBeanFactory().autowireBean(obj);
        }
    }

}