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 * may not use this file except in compliance with the License. You can obtain
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 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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package org.glassfish.deployment.admin;

import org.glassfish.api.ActionReport;
import org.glassfish.api.admin.Cluster;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.Supplemental;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.deployment.StateCommandParameters;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.deployment.versioning.VersioningService;
import org.glassfish.deployment.versioning.VersioningSyntaxException;
import org.glassfish.internal.deployment.Deployment;
import com.sun.enterprise.config.serverbeans.ApplicationRef;
import com.sun.enterprise.config.serverbeans.Domain;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.annotations.Scoped;
import org.jvnet.hk2.component.PerLookup;

import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * A supplemental (before) command to undeploy command. 
 * It will disable the applications before the undeploy command runs.
 *
 */
@Service(name="preenable")
@Supplemental(value="enable", on=Supplemental.Timing.Before)
@Scoped(PerLookup.class)
@Cluster(value={RuntimeType.DAS})
public class PreEnableCommand extends StateCommandParameters implements AdminCommand {

    final private static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(PreEnableCommand.class);
   
    @Inject
    VersioningService versioningService;

    @Inject
    Deployment deployment;

    @Inject
    Domain domain;

    public void execute(AdminCommandContext context) {
        
        ActionReport report = context.getActionReport();
        final Logger logger = context.getLogger();

        if (!deployment.isRegistered(name())) {
            report.setMessage(localStrings.getLocalString("application.notreg","Application {0} not registered", name()));
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            return;
        }

        ApplicationRef ref = domain.getApplicationRefInTarget(name(), target);
        if (ref == null) {
            report.setMessage(localStrings.getLocalString("ref.not.referenced.target","Application {0} is not referenced by target {1}", name(), target));
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            return;
        }

        // return if the application is already in enabled state
        if (Boolean.valueOf(ref.getEnabled())) {
            logger.fine("The application is already enabled");
            return;
        }

        // try to disable the enabled version, if exist
        try {
            versioningService.handleDisable(name(),target, report);
        } catch (VersioningSyntaxException e) {
            report.failure(logger, e.getMessage());
            return;
        }
    }
}