StatusApplicationCommand.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.features.Feature;
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.command.completers.AllApplicationsCompleter;
import org.fusesource.jansi.Ansi;
import org.osgi.framework.Bundle;

/**
 * Utilizes the OSGi Command Shell in Karaf and shows the status of an
 * application.
 */
@Command(scope = "app", name = "status", description = "Shows status of an application.\n\tGives information on the current state, features within the application, what required features are not started and what required bundles are not started.")
@Service
public class StatusApplicationCommand extends AbstractApplicationCommand {

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

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

        Application application = applicationService.getApplication(appName);
        if (application != null) {
            ApplicationStatus appStatus = applicationService.getApplicationStatus(application);
            console.println(application.getName());
            console.println("\nCurrent State is: " + appStatus.getState()
                    .toString());

            console.println("\nFeatures Located within this Application:");
            for (Feature curFeature : application.getFeatures()) {
                console.println("\t" + curFeature.getName());
            }

            console.println("\nRequired Features Not Started");
            if (appStatus.getErrorFeatures()
                    .isEmpty()) {
                console.print(Ansi.ansi()
                        .fg(Ansi.Color.GREEN)
                        .toString());
                console.println("\tNONE");
                console.print(Ansi.ansi()
                        .reset()
                        .toString());
            } else {
                for (Feature curFeature : appStatus.getErrorFeatures()) {
                    console.print(Ansi.ansi()
                            .fg(Ansi.Color.RED)
                            .toString());
                    console.println("\t" + curFeature.getName());
                    console.print(Ansi.ansi()
                            .reset()
                            .toString());
                }
            }

            console.println("\nRequired Bundles Not Started");
            if (appStatus.getErrorBundles()
                    .isEmpty()) {
                console.print(Ansi.ansi()
                        .fg(Ansi.Color.GREEN)
                        .toString());
                console.println("\tNONE");
                console.print(Ansi.ansi()
                        .reset()
                        .toString());
            } else {
                for (Bundle curBundle : appStatus.getErrorBundles()) {
                    console.print(Ansi.ansi()
                            .fg(Ansi.Color.RED)
                            .toString());
                    console.println(
                            "\t[" + curBundle.getBundleId() + "]\t" + curBundle.getSymbolicName());
                    console.print(Ansi.ansi()
                            .reset()
                            .toString());
                }
            }
        } else {
            console.println("No application found with name " + appName);
        }
        return;
    }

}