global.java

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/*
 * Created on 2003-10-16
 */
package jaoso.framework.context;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

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

import java.io.File;


/**
 * @author xiongj
 *         [e-mail]
 */
public final class Global {

    //~ Static fields/initializers =============================================

    /**
    * DOCUMENT ME!
    */
    private static Global global;

    /**
    * DOCUMENT ME!
    */
    private static ApplicationContext context;

    /**
    * DOCUMENT ME!
    */
    private static Log log = LogFactory.getLog(Global.class);

    static {

        global = new Global();
    }

    //~ Constructors ===========================================================

    /**
     *
     */
    private Global() {

        init();
    }

    //~ Methods ================================================================

    /**
     * DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    public static Global getInstance() {

        return global;
    }

    /**
     * DOCUMENT ME!
     *
     * @param serviceName DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    public Object getService(final String serviceName) {

        return context.getBean(serviceName);
    }

    /**
     * DOCUMENT ME!
     *
     * @param args DOCUMENT ME!
     */
    public static void main(final String[] args) {

        Global gg = Global.getInstance();
    }

    /**
     * DOCUMENT ME!
     */
    private static void init() {

        String path = Global.class.getResource("/spring/applicationContext.xml")
                                  .getPath();
        path = path.substring(1, path.length());

        File file = new File(path);
        File dir = file.getParentFile();
        String[] files = dir.list();

        for (int i = 0, n = files.length; i < n; i++) {

            files[i] = "/spring/" + files[i];
        }

        log.info("Sping starting*******************");
        context = new ClassPathXmlApplicationContext(files);
        log.info("Sping start success*******************");
    }
}