DeviceRegistrationValidator.java

/*
 * Copyright (c) 2002-2026, City of Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.deviceregistration.service;

import fr.paris.lutece.plugins.deviceregistration.business.deviceregistration.DeviceRegistration;
import fr.paris.lutece.plugins.deviceregistration.business.deviceregistration.DeviceRegistrationHome;
import fr.paris.lutece.plugins.deviceregistration.exception.DeviceRegistrationException;
import fr.paris.lutece.util.beanvalidation.BeanValidationUtil;

import javax.validation.ConstraintViolation;
import javax.ws.rs.core.Response;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;

public class DeviceRegistrationValidator
{

    private DeviceRegistrationValidator( )
    {
    }

    public static void validate( final DeviceRegistration deviceRegistration ) throws DeviceRegistrationException
    {
        if ( Objects.isNull( deviceRegistration.getCustomerId( ) ) || Objects.isNull( deviceRegistration.getConnectionId( ) ) )
        {
            throw new DeviceRegistrationException( Response.Status.BAD_REQUEST, "Client must provide a customer ID or a connection ID (or both)" );
        }
        final Set<ConstraintViolation<DeviceRegistration>> violations = BeanValidationUtil.validate( deviceRegistration );
        if ( !violations.isEmpty( ) )
        {
            final List<String> reasons = violations.stream( ).map( ConstraintViolation::getMessage ).filter( Objects::nonNull ).collect( Collectors.toList( ) );
            throw new DeviceRegistrationException( Response.Status.BAD_REQUEST, reasons );
        }
        if ( DeviceRegistrationHome.loadByRegistrationToken( deviceRegistration.getRegistrationToken( ) ).isPresent( ) )
        {
            throw new DeviceRegistrationException( Response.Status.CONFLICT, "Token already exist" );
        }
    }

}