2 * Copyright © 2016-2018 European Support Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.openecomp.sdcrests.errors;
18 import com.fasterxml.jackson.databind.JsonMappingException;
19 import java.util.ArrayList;
20 import java.util.List;
23 import javax.validation.ConstraintViolation;
24 import javax.validation.ConstraintViolationException;
25 import javax.validation.Path;
26 import javax.ws.rs.core.MediaType;
27 import javax.ws.rs.core.Response;
28 import javax.ws.rs.core.Response.Status;
29 import javax.ws.rs.ext.ExceptionMapper;
30 import org.apache.commons.collections4.CollectionUtils;
31 import org.hibernate.validator.internal.engine.path.PathImpl;
32 import org.openecomp.core.utilities.file.FileUtils;
33 import org.openecomp.core.utilities.json.JsonUtil;
34 import org.openecomp.sdc.common.errors.CoreException;
35 import org.openecomp.sdc.common.errors.ErrorCategory;
36 import org.openecomp.sdc.common.errors.ErrorCode;
37 import org.openecomp.sdc.common.errors.ErrorCodeAndMessage;
38 import org.openecomp.sdc.common.errors.GeneralErrorBuilder;
39 import org.openecomp.sdc.common.errors.JsonMappingErrorBuilder;
40 import org.openecomp.sdc.common.errors.ValidationErrorBuilder;
41 import org.openecomp.sdc.logging.api.Logger;
42 import org.openecomp.sdc.logging.api.LoggerFactory;
44 public class DefaultExceptionMapper implements ExceptionMapper<Exception> {
46 private static final String ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE = "errorCodesToResponseStatusMapping.json";
47 @SuppressWarnings("unchecked")
48 private static final Map<String, String> ERROR_CODE_TO_RESPONSE_STATUS = FileUtils
49 .readViaInputStream(ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE, stream -> JsonUtil.json2Object(stream, Map.class));
50 private static final Logger LOGGER = LoggerFactory.getLogger(DefaultExceptionMapper.class);
53 public Response toResponse(Exception exception) {
55 if (exception instanceof CoreException) {
56 response = transform((CoreException) exception);
57 } else if (exception instanceof ConstraintViolationException) {
58 response = transform((ConstraintViolationException) exception);
59 } else if (exception instanceof JsonMappingException) {
60 response = transform((JsonMappingException) exception);
62 response = transform(exception);
64 List<Object> contentTypes = new ArrayList<>();
65 contentTypes.add(MediaType.APPLICATION_JSON);
66 response.getMetadata().put("Content-Type", contentTypes);
70 private Response transform(final CoreException coreException) {
71 final ErrorCode code = coreException.code();
72 LOGGER.error(code.message(), coreException);
73 if (coreException.code().category().equals(ErrorCategory.APPLICATION)) {
74 final Status errorStatus = Status.valueOf(ERROR_CODE_TO_RESPONSE_STATUS.get(code.id()));
75 if (List.of(Status.BAD_REQUEST, Status.FORBIDDEN, Status.NOT_FOUND, Status.INTERNAL_SERVER_ERROR).contains(errorStatus)) {
76 return buildResponse(errorStatus, code);
78 return buildResponse(Status.EXPECTATION_FAILED, code);
80 return buildResponse(Status.INTERNAL_SERVER_ERROR, code);
83 private Response buildResponse(Status notFound, ErrorCode code) {
84 return Response.status(notFound).entity(toEntity(notFound, code)).build();
87 private Response transform(ConstraintViolationException validationException) {
88 Set<ConstraintViolation<?>> constraintViolationSet = validationException.getConstraintViolations();
90 String fieldName = null;
91 if (CollectionUtils.isEmpty(constraintViolationSet)) {
92 message = validationException.getMessage();
94 // getting the first violation message for the output response.
95 ConstraintViolation<?> constraintViolation = constraintViolationSet.iterator().next();
96 message = constraintViolation.getMessage();
97 fieldName = getFieldName(constraintViolation.getPropertyPath());
99 ErrorCode validationErrorCode = new ValidationErrorBuilder(message, fieldName).build();
100 LOGGER.error(validationErrorCode.message(), validationException);
101 return buildResponse(Status.EXPECTATION_FAILED, validationErrorCode);
104 private Response transform(JsonMappingException jsonMappingException) {
105 ErrorCode jsonMappingErrorCode = new JsonMappingErrorBuilder().build();
106 LOGGER.error(jsonMappingErrorCode.message(), jsonMappingException);
107 return buildResponse(Status.EXPECTATION_FAILED, jsonMappingErrorCode);
110 private Response transform(Exception exception) {
111 ErrorCode errorCode = new GeneralErrorBuilder().build();
112 LOGGER.error(errorCode.message(), exception);
113 return buildResponse(Status.INTERNAL_SERVER_ERROR, errorCode);
116 private String getFieldName(Path propertyPath) {
117 return ((PathImpl) propertyPath).getLeafNode().toString();
120 private Object toEntity(final Status status, final ErrorCode code) {
121 return new ErrorCodeAndMessage(status, code);