de.alpharogroup.mystic.crypt.spring.SpringApplicationContext.java Source code

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Here is the source code for de.alpharogroup.mystic.crypt.spring.SpringApplicationContext.java

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/**
 * The MIT License
 *
 * Copyright (C) 2015 Asterios Raptis
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package de.alpharogroup.mystic.crypt.spring;

import java.io.IOException;

import javax.xml.parsers.FactoryConfigurationError;

import org.apache.log4j.xml.DOMConfigurator;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.Resource;

import lombok.Getter;

/**
 * The Class SpringApplicationContext.
 */
public class SpringApplicationContext {

    /** The instance. */
    private static SpringApplicationContext instance = new SpringApplicationContext();

    /**
     * Gets the single instance of SpringApplicationContext.
     *
     * @return single instance of SpringApplicationContext
     */
    public static SpringApplicationContext getInstance() {
        return instance;
    }

    /** The application context. */
    @Getter
    private final ApplicationContext applicationContext;

    /**
     * Instantiates a new spring application context.
     */
    private SpringApplicationContext() {
        final String rootContextDirectoryClassPath = "/ctx";

        final String applicationContextPath = rootContextDirectoryClassPath + "/application-context.xml";

        final ApplicationContext ac = new ClassPathXmlApplicationContext(applicationContextPath);

        final Resource resource = ac.getResource("classpath:conf/log4j/log4jconfig.xml");

        try {
            DOMConfigurator.configure(resource.getURL());
        } catch (final FactoryConfigurationError e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (final IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        applicationContext = ac;
    }

}