package org.apache.geronimo.system.main;

import java.io.ObjectInputStream;
import java.net.URI;
import java.util.Iterator;
import java.util.List;
import javax.management.ObjectName;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.gbean.GBeanData;
import org.apache.geronimo.kernel.GBeanNotFoundException;
import org.apache.geronimo.kernel.InternalKernelException;
import org.apache.geronimo.kernel.KernelFactory;
import org.apache.geronimo.kernel.Kernel;
import org.apache.geronimo.kernel.config.ConfigurationManager;
import org.apache.geronimo.kernel.config.ConfigurationUtil;
import org.apache.geronimo.kernel.config.Configuration;
import org.apache.geronimo.kernel.log.GeronimoLogging;
import org.apache.geronimo.system.url.GeronimoURLFactory;


/**
 * @version $Rev: 169154 $ $Date: 2005-05-08 15:35:23 -0400 (Sun, 08 May 2005) $
 */
public class CommandLine {
    protected static final Log log;

    static {
        // This MUST be done before the first log is acquired
        GeronimoLogging.initialize(GeronimoLogging.ERROR);
        log = LogFactory.getLog(CommandLine.class.getName());

        // Install our url factory
        GeronimoURLFactory.install();
    }

    /**
     * Command line entry point called by executable jar
     * @param args command line args
     */
    public static void main(String[] args) {
        log.info("Server startup begun");
        try {
            // the interesting entries from the manifest
            CommandLineManifest manifest = CommandLineManifest.getManifestEntries();
            List configurations = manifest.getConfigurations();
            ObjectName mainGBean = manifest.getMainGBean();
            String mainMethod = manifest.getMainMethod();

            new CommandLine().invokeMainGBean(configurations, mainGBean, mainMethod, args);

            log.info("Server shutdown completed");
        } catch (Exception e) {
            ExceptionUtil.trimStackTrace(e);
            e.printStackTrace();
            System.exit(2);
            throw new AssertionError();
        }
    }

    private Kernel kernel;
    private GBeanData configuration;

    public void invokeMainGBean(List configurations, ObjectName mainGBean, String mainMethod, String[] args) throws Exception {
        startKernel(configurations);

        log.info("Server startup completed");

        // invoke the main method
        kernel.invoke(
                mainGBean,
                mainMethod,
                new Object[]{args},
                new String[]{String[].class.getName()});

        log.info("Server shutdown begun");

        stopKernel();
    }