/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.superbiz.webapp1.provider;
import org.superbiz.webapp1.messages.ErrorList;
import org.superbiz.webapp1.messages.ErrorResponse;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
@Provider
@Produces(MediaType.APPLICATION_JSON)
public class ConstraintViolationExceptionMapper implements ExceptionMapper<ConstraintViolationException> {
@Context
private HttpHeaders headers;
@Override
public Response toResponse(final ConstraintViolationException t) {
final MediaType type = headers.getMediaType();
final Locale locale = headers.getLanguage();
final Object responsObject = getConstraintViolationErrors(t);
return Response.status(Response.Status.NOT_ACCEPTABLE).type(type).language(locale).entity(responsObject).build();
}
private static Object getConstraintViolationErrors(final ConstraintViolationException ex) {
final List<ErrorResponse> errors = new ArrayList<ErrorResponse>();
for (final ConstraintViolation violation : ex.getConstraintViolations()) {
final ErrorResponse error = new ErrorResponse();
error.setMessage(violation.getMessage());
errors.add(error);
}
return new ErrorList<ErrorResponse>(errors);
}
}