StopApplicationCommand.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * 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 3 of the
 * License, or any later version.
 * <p>
 * This program 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. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package org.codice.ddf.admin.application.service.command;

import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Completion;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.codice.ddf.admin.application.service.Application;
import org.codice.ddf.admin.application.service.ApplicationService;
import org.codice.ddf.admin.application.service.ApplicationServiceException;
import org.codice.ddf.admin.application.service.ApplicationStatus;
import org.codice.ddf.admin.application.service.ApplicationStatus.ApplicationState;
import org.codice.ddf.admin.application.service.command.completers.ActiveApplicationsCompleter;

/**
 * Utilizes the OSGi Command Shell in Karaf and stops a specific application.
 */
@Command(scope = "app", name = "stop", description = "Stops an application with the given name.")
@Service
public class StopApplicationCommand extends AbstractApplicationCommand {

    @Argument(index = 0, name = "appName", description = "Name of the application to stop.", required = true, multiValued = false)
    @Completion(ActiveApplicationsCompleter.class)
    String appName;

    @Override
    protected void doExecute(ApplicationService applicationService)
            throws ApplicationServiceException {

        Application app = applicationService.getApplication(appName);
        if (app != null) {
            ApplicationStatus appStatus = applicationService.getApplicationStatus(app);
            if (appStatus.getState()
                    .equals(ApplicationState.ACTIVE)) {
                applicationService.stopApplication(appName);
            } else {
                console.println("Application " + appName + " is not started.");
            }
        }
        return;
    }

}