demo.config.ApplicationContextLoader.java Source code

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Here is the source code for demo.config.ApplicationContextLoader.java

Source

/**
 *   Singleton to load the context containing the Spring beans
 *  Copyright (C) 2014  Edgar H. de Graaf
 *
 *  This program 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 *  Copyright (C) 2014  Edgar H. de Graaf, edgargithub@outlook.com
 */
package demo.config;

import java.net.URISyntaxException;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;

public class ApplicationContextLoader {

    private static ApplicationContextLoader instance = null;

    private ApplicationContext appContext;

    private ApplicationContextLoader() throws URISyntaxException {
        try {
            this.appContext = new ClassPathXmlApplicationContext("beanContext.xml");
        } catch (Exception e) {
            this.appContext = new FileSystemXmlApplicationContext("beanContext.xml");
        }
    }

    public static ApplicationContextLoader getInstance() {
        if (instance == null) {
            try {
                instance = new ApplicationContextLoader();
            } catch (URISyntaxException e) {
                e.printStackTrace();
                return null;
            }
        }
        return instance;
    }

    public ApplicationContext getAppContext() {
        return this.appContext;
    }
}