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Graylog

There is a newer version: 5.2.7

/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.rest;

import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.rest.ValidationApiError;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

@Provider
public class ValidationExceptionMapper implements ExceptionMapper {
    @Override
    public Response toResponse(ValidationException exception) {
        final ValidationApiError error = ValidationApiError.create("Validation failed!", exception.getErrors());
        return Response.status(Response.Status.BAD_REQUEST)
                .type(MediaType.APPLICATION_JSON_TYPE)
                .entity(error)
                .build();
    }
}