net.darkmist.alib.spring.Main.java Source code

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Here is the source code for net.darkmist.alib.spring.Main.java

Source

/*
 *  Copyright (C) 2012 Ed Schaller <schallee@darkmist.net>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package net.darkmist.alib.spring;

import org.springframework.context.support.FileSystemXmlApplicationContext;

public class Main {
    private static final Class<Main> CLASS = Main.class;
    private static final String CLASS_NAME = CLASS.getName();
    private static final int ERROR_EXIT = 1;
    private static final String MAIN_BEAN = "main";

    private static void usage() {
        System.err.println("Usage: " + CLASS_NAME + " spring-config [args]");
        System.exit(ERROR_EXIT);
    }

    public static void main(String[] args) {
        FileSystemXmlApplicationContext ctx;
        Runnable mb;
        boolean doExit = false;
        int exitCode = 0;

        if (args.length < 1)
            usage();
        ctx = new FileSystemXmlApplicationContext(args[0]);
        mb = (Runnable) ctx.getBean(MAIN_BEAN);
        if (mb instanceof MainBean)
            ((MainBean) mb).setArgs(args, 1, args.length - 1);
        else if (args.length > 1)
            throw new IllegalArgumentException("main bean does not take arguments");
        mb.run();
        if (mb instanceof MainBean) {
            exitCode = ((MainBean) mb).getExitCode();
            doExit = true;
        }
        mb = null;
        ctx.close();
        if (doExit)
            System.exit(exitCode);
    }
}