com.athena.peacock.controller.common.core.SystemInitializer.java Source code

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Here is the source code for com.athena.peacock.controller.common.core.SystemInitializer.java

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/* 
 * Copyright 2013 The Athena-Peacock Project.
 *
 * 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.
 *
 * Revision History
 * Author         Date            Description
 * ---------------   ----------------   ------------
 * Sang-cheon Park   2013. 8. 27.      First Draft.
 */
package com.athena.peacock.controller.common.core;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.annotation.PostConstruct;

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

import com.athena.peacock.controller.common.provider.AppContext;

/**
 * <pre>
 * 
 * </pre>
 * @author Sang-cheon Park
 * @version 1.0
 */
@Component
public class SystemInitializer implements InitializingBean, ApplicationContextAware {

    private ApplicationContext context;
    private List<InitializingTask> initTasks;

    @PostConstruct
    public void init() {
        if (context == null) {
            context = AppContext.getApplicationContext();
        }

        Map<String, InitializingTask> beans = context.getBeansOfType(InitializingTask.class);
        this.initTasks = new ArrayList<InitializingTask>(beans.values());
    }

    /* (non-Javadoc)
     * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
     */
    public void afterPropertiesSet() throws Exception {
        if (initTasks == null) {
            return;
        }

        for (InitializingTask task : initTasks) {
            task.init();
        }
    }

    /* (non-Javadoc)
     * @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)
     */
    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        this.context = context;
    }
}// end of SystemInitializer.java