ApplicationStatusResource.java

/*******************************************************************************
 * Copyright French Prime minister Office/SGMAP/DINSIC/Vitam Program (2015-2019)
 *
 * contact.vitam@culture.gouv.fr
 *
 * This software is a computer program whose purpose is to implement a digital archiving back-office system managing
 * high volumetry securely and efficiently.
 *
 * This software is governed by the CeCILL 2.1 license under French law and abiding by the rules of distribution of free
 * software. You can use, modify and/ or redistribute the software under the terms of the CeCILL 2.1 license as
 * circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license,
 * users are provided only with a limited warranty and the software's author, the holder of the economic rights, and the
 * successive licensors have only limited liability.
 *
 * In this respect, the user's attention is drawn to the risks associated with loading, using, modifying and/or
 * developing or reproducing the software by the user in light of its specific status of free software, that may mean
 * that it is complicated to manipulate, and that also therefore means that it is reserved for developers and
 * experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the
 * software's suitability as regards their requirements in conditions enabling the security of their systems and/or data
 * to be ensured and, more generally, to use and operate it in the same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had knowledge of the CeCILL 2.1 license and that you
 * accept its terms.
 *******************************************************************************/

package fr.gouv.vitam.common.server.application.resources;

import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;

import fr.gouv.vitam.common.VitamConfiguration;


/**
 * Implementation of VitamResources which handle common tasks for all sub-implementation
 *
 *
 */
@Path("/")
public class ApplicationStatusResource implements VitamResource {
    /**
     * Status for Application resource path
     */
    public static final String STATUS_URL = VitamConfiguration.STATUS_URL;
    public static final String TENANTS_URL = VitamConfiguration.TENANTS_URL;

    private final VitamStatusService statusService;
    private List<Integer> tenants;

    /**
     *
     * Constructor InternalVitamResources using implicit BasicVitamStatusServiceImpl
     */
    public ApplicationStatusResource() {
        statusService = new BasicVitamStatusServiceImpl();
        this.tenants = new ArrayList<>();
    }

    /**
     *
     * Constructor InternalVitamResources
     *
     * @param statusService
     * @param tenantList
     */
    public ApplicationStatusResource(VitamStatusService statusService, List<Integer> tenantList) {
        this.statusService = statusService;
        this.tenants = tenantList;
    }

    /**
     * Return a response status
     *
     * @return Response containing the status of the service
     */
    @GET
    @Path(STATUS_URL)
    @Produces(MediaType.APPLICATION_JSON)
    public Response status() {
        if (statusService.getResourcesStatus()) {
            return Response.status(Status.NO_CONTENT).build();
        } else {
            return Response.status(Status.SERVICE_UNAVAILABLE).build();
        }
    }
    
    /**
     * Retrieve all the tenants defined on the plateform
     *
     * @return Response containing a list of tenants as string
     */
    @GET
    @Path(TENANTS_URL)
    @Produces(MediaType.APPLICATION_JSON)
    public Response getServerTenants() {
        return Response.status(Status.OK).entity(tenants).build();
    }

}