2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdcrests.errors;
23 import org.codehaus.jackson.map.JsonMappingException;
24 import org.hibernate.validator.internal.engine.path.PathImpl;
25 import org.openecomp.core.utilities.CommonMethods;
26 import org.openecomp.core.utilities.file.FileUtils;
27 import org.openecomp.core.utilities.json.JsonUtil;
28 import org.openecomp.sdc.common.errors.CoreException;
29 import org.openecomp.sdc.common.errors.ErrorCategory;
30 import org.openecomp.sdc.common.errors.ErrorCode;
31 import org.openecomp.sdc.common.errors.ErrorCodeAndMessage;
32 import org.openecomp.sdc.common.errors.GeneralErrorBuilder;
33 import org.openecomp.sdc.common.errors.JsonMappingErrorBuilder;
34 import org.openecomp.sdc.common.errors.ValidationErrorBuilder;
35 import org.openecomp.sdc.logging.api.Logger;
36 import org.openecomp.sdc.logging.api.LoggerFactory;
38 import javax.validation.ConstraintViolation;
39 import javax.validation.ConstraintViolationException;
40 import javax.validation.Path;
41 import javax.ws.rs.core.MediaType;
42 import javax.ws.rs.core.Response;
43 import javax.ws.rs.ext.ExceptionMapper;
44 import java.util.ArrayList;
45 import java.util.List;
49 public class DefaultExceptionMapper implements ExceptionMapper<Exception> {
50 private static final String ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE =
51 "errorCodesToResponseStatusMapping.json";
52 @SuppressWarnings("unchecked")
53 private static Map<String, String> errorCodeToResponseStatus =
54 FileUtils.readViaInputStream(ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE,
55 stream -> JsonUtil.json2Object(stream, Map.class));
57 private static Logger logger = (Logger) LoggerFactory.getLogger(DefaultExceptionMapper.class);
60 public Response toResponse(Exception exception) {
62 if (exception instanceof CoreException) {
63 response = transform(CoreException.class.cast(exception));
64 } else if (exception instanceof ConstraintViolationException) {
65 response = transform(ConstraintViolationException.class.cast(exception));
67 } else if (exception instanceof JsonMappingException) {
68 response = transform(JsonMappingException.class.cast(exception));
71 response = transform(exception);
74 List<Object> contentTypes = new ArrayList<>();
75 contentTypes.add(MediaType.APPLICATION_JSON);
76 response.getMetadata().put("Content-Type", contentTypes);
80 private Response transform(CoreException coreException) {
82 ErrorCode code = coreException.code();
83 logger.error(code.message(), coreException);
85 if (coreException.code().category().equals(ErrorCategory.APPLICATION)) {
86 if (Response.Status.NOT_FOUND.name().equals(errorCodeToResponseStatus.get(code.id()))) {
88 .status(Response.Status.NOT_FOUND)
89 .entity(toEntity(Response.Status.NOT_FOUND, code))
91 } else if (Response.Status.BAD_REQUEST.name()
92 .equals(errorCodeToResponseStatus.get(code.id()))) {
94 .status(Response.Status.BAD_REQUEST)
95 .entity(toEntity(Response.Status.BAD_REQUEST, code))
99 .status(Response.Status.EXPECTATION_FAILED)
100 .entity(toEntity(Response.Status.EXPECTATION_FAILED, code))
105 .status(Response.Status.INTERNAL_SERVER_ERROR)
106 .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, code))
114 private Response transform(ConstraintViolationException validationException) {
115 Set<ConstraintViolation<?>> constraintViolationSet =
116 validationException.getConstraintViolations();
119 String fieldName = null;
120 if (!CommonMethods.isEmpty(constraintViolationSet)) {
121 // getting the first violation message for the output response.
122 ConstraintViolation<?> constraintViolation = constraintViolationSet.iterator().next();
123 message = constraintViolation.getMessage();
124 fieldName = getFieldName(constraintViolation.getPropertyPath());
127 message = validationException.getMessage();
130 ErrorCode validationErrorCode = new ValidationErrorBuilder(message, fieldName).build();
132 logger.error(validationErrorCode.message(), validationException);
134 .status(Response.Status.EXPECTATION_FAILED) //error 417
135 .entity(toEntity(Response.Status.EXPECTATION_FAILED, validationErrorCode))
139 private Response transform(JsonMappingException jsonMappingException) {
140 ErrorCode jsonMappingErrorCode = new JsonMappingErrorBuilder().build();
141 logger.error(jsonMappingErrorCode.message(), jsonMappingException);
143 .status(Response.Status.EXPECTATION_FAILED) //error 417
144 .entity(toEntity(Response.Status.EXPECTATION_FAILED, jsonMappingErrorCode))
148 private Response transform(Exception exception) {
149 ErrorCode generalErrorCode = new GeneralErrorBuilder(exception.getMessage()).build();
150 logger.error(generalErrorCode.message(), exception);
152 .status(Response.Status.INTERNAL_SERVER_ERROR)
153 .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, generalErrorCode))
157 private String getFieldName(Path propertyPath) {
158 return ((PathImpl) propertyPath).getLeafNode().toString();
161 private Object toEntity(Response.Status status, ErrorCode code) {
162 return new ErrorCodeAndMessage(status, code);