/*
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2008 Sun Microsystems, Inc. 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.html
 * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * 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
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 */
package com.sun.enterprise.v3.admin;


import com.sun.enterprise.universal.collections.ManifestUtils;
import com.sun.enterprise.v3.common.PropsFileActionReporter;

import org.glassfish.flashlight.client.ProbeClientMediator;
import org.glassfish.flashlight.provider.ProbeProviderFactory;
import org.jvnet.hk2.annotations.Scoped;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.ActionReport.ExitCode;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.component.PostConstruct;
import org.jvnet.hk2.component.Singleton;


/**
 * @author Byron Nevins
 */

@Service(name="ping", metadata="mode=debug")
@Scoped(Singleton.class)
public class PingCommand implements AdminCommand, PostConstruct {
    @Param(primary = true, optional = true)
    String someString;

    @Inject
    private ProbeProviderFactory probeProviderFactory;

    @Inject
    ProbeClientMediator listenerRegistrar;

    public void execute(AdminCommandContext context) {
        if(probe == null) {
            handleReturn(context, "Probe not initialized!", false);
            return;
        }

        if(someString != null) {
            probe.ping2(someString);
            handleReturn(context, "pinged with " + someString, true);
        }
        else {
            probe.ping();
            handleReturn(context, "pinged", true);
        }
        
        someString = null;  // we are a Singleton - we have to reset it for the next call!!
    }

    @Override
    public void postConstruct() {
        try {
            probe = probeProviderFactory.getProbeProvider(LCPP.class);
            System.out.println("@@@@ Probe impl class = " + probe.getClass().getName());
        }
        catch(Exception e) {
            System.out.println("@@@@@@ ERROR getting probe @@@@@@@");
        }
        try {
            listenerRegistrar.registerListener(new LCListener());
        }
        catch(Exception e) {
            System.out.println("@@@@@@ ERROR registering listener @@@@@@@");
        }
    }

    /*
     * handle the gory details
     */
    private void handleReturn(AdminCommandContext context, String msg, boolean good) {
        ActionReport report = context.getActionReport();

        if(good)
            report.setActionExitCode(ExitCode.SUCCESS);
        else
            report.setActionExitCode(ExitCode.FAILURE);

        if(report instanceof PropsFileActionReporter) {
            msg = ManifestUtils.encode(msg);
        }
        report.setMessage(msg);
    }

    LCPP probe;
}