Package org.jboss.as.server

Source Code of org.jboss.as.server.Main

/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/

package org.jboss.as.server;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Properties;

import org.jboss.as.process.CommandLineConstants;
import org.jboss.logmanager.Level;
import org.jboss.logmanager.Logger;
import org.jboss.logmanager.log4j.BridgeRepositorySelector;
import org.jboss.stdio.LoggingOutputStream;
import org.jboss.stdio.NullInputStream;
import org.jboss.stdio.SimpleStdioContextSelector;
import org.jboss.stdio.StdioContext;

/**
* The main-class entry point for standalone server instances.
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
* @author John Bailey
*/
public final class Main {

    /**
     * The main method.
     *
     * @param args the command-line arguments
     */
    public static void main(String[] args) {
        // Install JBoss Stdio to avoid any nasty crosstalk.
        StdioContext.install();
        final StdioContext context = StdioContext.create(
            new NullInputStream(),
            new LoggingOutputStream(Logger.getLogger("stdout"), Level.INFO),
            new LoggingOutputStream(Logger.getLogger("stderr"), Level.ERROR)
        );
        StdioContext.setStdioContextSelector(new SimpleStdioContextSelector(context));

        // TODO: privileged block
        System.setProperty("log4j.defaultInitOverride", "true");
        new BridgeRepositorySelector().start();

        create(args);
    }

    private static StandaloneServer create(String[] args) {
        Main main = new Main();
        return main.boot(args);
    }

    // TODO: privileged block
    Properties props = new Properties(System.getProperties());

    private Main() {
    }

    private StandaloneServer boot(final String[] args) {
        StandaloneServer server = null;
        try {
            ServerEnvironment config = determineEnvironment(args, props);
            if (config == null) {
                abort(null);
            } else {
                if(config.isStandalone()) {
                    server = new StandaloneServer(config);
                } else {
                    throw new IllegalStateException();
                }
                // Start the server.
                server.start();
                return server;
            }
        } catch (Throwable t) {
            abort(t);
        }
        return null;
    }

    private void abort(Throwable t) {
        if (t != null) {
            t.printStackTrace(System.err);
        }
        try {
            // Inform the process manager that we are shutting down on purpose
            // so it doesn't try to respawn us
            // FIXME implement shutdown()
            throw new UnsupportedOperationException("implement me");
        } finally {
            SystemExiter.exit(1);
        }
    }

    public static ServerEnvironment determineEnvironment(String[] args, Properties systemProperties) {
        String procName = null;
        final int argsLength = args.length;
        for (int i = 0; i < argsLength; i++) {
            final String arg = args[i];
            try {
                if (CommandLineConstants.PROPERTIES.equals(arg) || "-P".equals(arg)) {
                    // Set system properties from url/file
                    URL url = null;
                    try {
                        url = makeURL(args[++i]);
                        Properties props = System.getProperties();
                        props.load(url.openConnection().getInputStream());
                    } catch (MalformedURLException e) {
                        System.err.printf("Malformed URL provided for option %s\n", arg);
                        return null;
                    } catch (IOException e) {
                        System.err.printf("Unable to load properties from URL %s\n", url);
                        return null;
                    }
                } else if (arg.startsWith("-D")) {

                    // set a system property
                    String name, value;
                    int idx = arg.indexOf("=");
                    if (idx == -1) {
                        name = arg.substring(2);
                        value = "true";
                    } else {
                        name = arg.substring(2, idx);
                        value = arg.substring(idx + 1, arg.length());
                    }
                    System.setProperty(name, value);
                } else {
                    System.err.printf("Invalid option '%s'\n", arg);
                    return null;
                }
            } catch (IndexOutOfBoundsException e) {
                System.err.printf("Argument expected for option %s\n", arg);
                return null;
            }
        }

        return new ServerEnvironment(systemProperties, procName, true);
    }

    private static URL makeURL(String urlspec) throws MalformedURLException {
        urlspec = urlspec.trim();

        URL url;

        try {
            url = new URL(urlspec);
            if (url.getProtocol().equals("file")) {
                // make sure the file is absolute & canonical file url
                File file = new File(url.getFile()).getCanonicalFile();
                url = file.toURI().toURL();
            }
        } catch (Exception e) {
            // make sure we have a absolute & canonical file url
            try {
                File file = new File(urlspec).getCanonicalFile();
                url = file.toURI().toURL();
            } catch (Exception n) {
                throw new MalformedURLException(n.toString());
            }
        }

        return url;
    }
}
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