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Glassfish example source code file (StartDomainCommand.java)

This example Glassfish source code file (StartDomainCommand.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

commandexception, commandexception, error, gflauncherexception, io, log, logging, minixmlparserexception, override, override, param, param, printstream, startserverhelper, string, string, success, util

The Glassfish StartDomainCommand.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.enterprise.admin.cli;

import java.io.*;
import java.util.*;
import java.util.logging.*;

import org.jvnet.hk2.annotations.*;
import org.jvnet.hk2.component.*;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import com.sun.enterprise.util.net.NetUtils;
import static com.sun.enterprise.admin.cli.CLIConstants.*;
import com.sun.enterprise.admin.launcher.GFLauncher;
import com.sun.enterprise.admin.launcher.GFLauncherException;
import com.sun.enterprise.admin.launcher.GFLauncherFactory;
import com.sun.enterprise.admin.launcher.GFLauncherInfo;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.universal.process.ProcessStreamDrainer;
import com.sun.enterprise.universal.xml.MiniXmlParserException;

/**
 * The start-domain command.
 *
 * @author bnevins
 * @author Bill Shannon
 */
@Service(name = "start-domain")
@Scoped(PerLookup.class)
public class StartDomainCommand extends LocalDomainCommand implements StartServerCommand {

    private GFLauncherInfo info;
    private GFLauncher launcher;
    @Param(optional = true, shortName = "v", defaultValue = "false")
    private boolean verbose;
    @Param(optional = true, defaultValue = "false")
    private boolean upgrade;
    @Param(optional = true, defaultValue = "false")
    private boolean debug;
    @Param(name = "domain_name", primary = true, optional = true)
    private String domainName0;
    private static final LocalStringsImpl strings =
            new LocalStringsImpl(StartDomainCommand.class);
    // the name of the master password option
    private StartServerHelper helper;

    @Override
    public RuntimeType getType() {
        return RuntimeType.DAS;
    }

    @Override
    protected void validate()
            throws CommandException, CommandValidationException {
        setDomainName(domainName0);
        super.validate();
    }

    @Override
    protected int executeCommand() throws CommandException {
        try {
            // createLauncher needs to go before the helper is created!!
            createLauncher();
            final String mpv = getMasterPassword();

            helper = new StartServerHelper(
                    logger,
                    programOpts.isTerse(),
                    getServerDirs(),
                    launcher,
                    mpv,
                    debug);

            if (helper.prepareForLaunch() == false)
                return ERROR;

            if (!upgrade && launcher.needsManualUpgrade()) {
                logger.info(strings.get("manualUpgradeNeeded"));
                return ERROR;
            }
            doAutoUpgrade(mpv);

            // launch returns very quickly if verbose is not set
            // if verbose is set then it returns after the domain dies
            launcher.launch();

            if (verbose || upgrade) { // we can potentially loop forever here...
                while (true) {
                    int returnValue = launcher.getExitValue();

                    switch (returnValue) {
                        case RESTART_NORMAL:
                            logger.info(strings.get("restart"));
                            break;
                        case RESTART_DEBUG_ON:
                            logger.info(strings.get("restartChangeDebug", "on"));
                            info.setDebug(true);
                            break;
                        case RESTART_DEBUG_OFF:
                            logger.info(strings.get("restartChangeDebug", "off"));
                            info.setDebug(false);
                            break;
                        default:
                            return returnValue;
                    }

                    if (CLIConstants.debugMode)
                        System.setProperty(CLIConstants.WALL_CLOCK_START_PROP,
                                "" + System.currentTimeMillis());

                    launcher.relaunch();
                }

            }
            else {
                helper.waitForServer();
                helper.report();
                return SUCCESS;
            }
        }
        catch (GFLauncherException gfle) {
            throw new CommandException(gfle.getMessage());
        }
        catch (MiniXmlParserException me) {
            throw new CommandException(me);
        }
    }

    /**
     * Create a launcher for the domain specified by arguments to
     * this command.  The launcher is for a server of the specified type.
     * Sets the launcher and info fields.
     * It has to be public because it is part of an interface
     */
    @Override
    public void createLauncher()
            throws GFLauncherException, MiniXmlParserException {
        launcher = GFLauncherFactory.getInstance(getType());
        info = launcher.getInfo();

        info.setDomainName(getDomainName());
        info.setDomainParentDir(getDomainsDir().getPath());
        info.setVerbose(verbose || upgrade);
        info.setDebug(debug);
        info.setUpgrade(upgrade);

        info.setRespawnInfo(programOpts.getClassName(),
                programOpts.getClassPath(),
                respawnArgs());

        launcher.setup();
    }

    /**
     * Return the asadmin command line arguments necessar to start
     * this domain admin server.
     */
    private String[] respawnArgs() {
        List<String> args = new ArrayList(15);
        args.addAll(Arrays.asList(programOpts.getProgramArguments()));

        // now the start-domain specific arguments
        args.add(getName());    // the command name
        args.add("--verbose=" + String.valueOf(verbose));
        args.add("--debug=" + String.valueOf(debug));
        args.add("--domaindir");
        args.add(getDomainsDir().toString());
        if (ok(getDomainName()))
            args.add(getDomainName());  // the operand

        if (logger.isLoggable(Level.FINER))
            logger.finer("Respawn args: " + args.toString());
        String[] a = new String[args.size()];
        args.toArray(a);
        return a;
    }

    /*
     * This is useful for debugging restart-domain problems.
     * In that case the Server process will run this class and it is fairly
     * involved to attach a debugger (though not bad -- see RestartDomain on
     * the server to see how).  Standard output disappears.  This is a
     * generally useful method.  Feel free to copy & paste!
     */
    private void debug(String s) {
        try {
            PrintStream ps = new PrintStream(
                    new FileOutputStream("startdomain.txt", true));
            ps.println(new Date().toString() + ":  " + s);
        }
        catch (FileNotFoundException ex) {
            //
        }
    }

    /*
     * If this domain needs to be upgraded and --upgrade wasn't
     * specified, first start the domain to do the upgrade and
     * then start the domain again for real.
     */
    private void doAutoUpgrade(String mpv) throws GFLauncherException, MiniXmlParserException, CommandException {
        if (upgrade || !launcher.needsAutoUpgrade())
            return;

        logger.info(strings.get("upgradeNeeded"));
        info.setUpgrade(true);
        launcher.setup();
        launcher.launch();
        Process p = launcher.getProcess();
        int exitCode = -1;
        try {
            exitCode = p.waitFor();
        }
        catch (InterruptedException ex) {
            // should never happen
        }
        if (exitCode != SUCCESS) {
            ProcessStreamDrainer psd =
                    launcher.getProcessStreamDrainer();
            String output = psd.getOutErrString();
            if (ok(output))
                throw new CommandException(
                        strings.get("upgradeFailedOutput",
                        info.getDomainName(), exitCode, output));
            else
                throw new CommandException(strings.get("upgradeFailed",
                        info.getDomainName(), exitCode));
        }
        logger.info(strings.get("upgradeSuccessful"));

        // need a new launcher to start the domain for real
        createLauncher();
        // continue with normal start...
    }
}

Other Glassfish examples (source code examples)

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