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Glassfish example source code file (DeleteJvmOptions.java)

This example Glassfish source code file (DeleteJvmOptions.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

actionreport, bean, command, config, exception, inject, inject, javabean, jvmoptionbag, list, list, log, logging, param, param, singleconfigcode, string, string, util

The Glassfish DeleteJvmOptions.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006-2010 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.v3.admin.commands;

import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.JavaConfig;
import com.sun.enterprise.config.serverbeans.JvmOptionBag;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.util.SystemPropertyConstants;

import java.beans.PropertyVetoException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;

import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.UnknownOptionsAreOperands;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.I18n;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.TargetType;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.internal.api.Target;

import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Scoped;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.PerLookup;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.SingleConfigCode;
import org.jvnet.hk2.config.TransactionFailure;

/**
 * Deletes given JVM options in server's configuration.
 * @author केदार (km@dev.java.net)
 * @author Kin-man Chung
 * @since GlassFish V3
 */
@Service(name="delete-jvm-options")   //implements the cli command by this "name"
@Scoped(PerLookup.class)            //should be provided "per lookup of this class", not singleton
@I18n("delete.jvm.options")
@ExecuteOn({RuntimeType.DAS, RuntimeType.INSTANCE})
@TargetType({CommandTarget.DAS,CommandTarget.STANDALONE_INSTANCE,CommandTarget.CLUSTER,CommandTarget.CONFIG})
@UnknownOptionsAreOperands()
public final class DeleteJvmOptions implements AdminCommand {

    @Param(name="target", optional=true, defaultValue = SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME)
    String target;

    @Param(name="profiler", optional=true)
    Boolean fromProfiler = false;
        
    @Param(name="jvm_option_name", primary=true, separator=':')
    List<String> jvmOptions;
    
    @Inject
    Target targetService;

    @Inject(name = ServerEnvironment.DEFAULT_INSTANCE_NAME)
    Config config;

    private static final StringManager lsm = StringManager.getManager(ListJvmOptions.class); 
    private static final Logger logger     = Logger.getLogger(DeleteJvmOptions.class.getPackage().getName()); // TODO: change later

    public void execute(AdminCommandContext context) {
        //validate the target first
        final ActionReport report = context.getActionReport();

        Config targetConfig = targetService.getConfig(target);
        if (targetConfig != null) {
            config = targetConfig;
        }

        JavaConfig jc = config.getJavaConfig();        
        try {
            JvmOptionBag bag;
            if (fromProfiler) {
                if (jc.getProfiler() == null) {
                    report.setMessage(lsm.getString("create.profiler.first"));
                    report.setActionExitCode(ActionReport.ExitCode.FAILURE);
                    return;
                }
                bag = jc.getProfiler();
            } else
                bag = jc;
            ActionReport.MessagePart part = report.getTopMessagePart().addChild();
            deleteX(bag, jvmOptions, part);
        } catch (Exception e) {
            String msg = e.getMessage() != null ? e.getMessage() : 
                lsm.getStringWithDefault("delete.jvm.options.failed",
                    "Command: delete-jvm-options failed", new String[]{e.getMessage()});
            report.setMessage(msg);
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            report.setFailureCause(e);
            return;
        }
        report.setActionExitCode(ActionReport.ExitCode.SUCCESS);        
    }


    /** Adds the JVM option transactionally.
     * @throws java.lang.Exception
     */
    // following should work in the fullness of time ...
    /*
    private static void addX(JavaConfig jc, final String option) throws Exception {
        SingleConfigCode<JavaConfig> scc = new SingleConfigCode () {
            public Object run(JavaConfig jc) throws PropertyVetoException, TransactionFailure {
                List<String> jvmopts = jc.getJvmOptions();
                jvmopts.add(option);
                return ( jc.getJvmOptions() );
            }
        };
        ConfigSupport.apply(scc, jc);
    }
    */
    //@ForTimeBeing :)
    private void deleteX(final JvmOptionBag bag, final List<String> toRemove, final ActionReport.MessagePart part) throws Exception {
        SingleConfigCode<JvmOptionBag> scc = new SingleConfigCode () {
            public Object run(JvmOptionBag bag) throws PropertyVetoException, TransactionFailure {
                List<String> jvmopts = new ArrayList(bag.getJvmOptions());
                int orig = jvmopts.size();
                boolean removed = jvmopts.removeAll(toRemove);
                bag.setJvmOptions(jvmopts);
                int now = jvmopts.size();
                if (removed) {
                    part.setMessage(lsm.getString("deleted.message", (orig-now)));
                } else {
                    part.setMessage(lsm.getString("no.option.deleted"));
                }
                return true;
            }
        };
        ConfigSupport.apply(scc, bag);
    }
}

Other Glassfish examples (source code examples)

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