2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright (c) 2019 Samsung
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
23 package org.onap.so.apihandlerinfra.exceptions;
25 import java.io.StringWriter;
26 import java.util.ArrayList;
27 import java.util.List;
28 import java.util.Optional;
29 import java.util.stream.Collectors;
30 import javax.ws.rs.core.Context;
31 import javax.ws.rs.core.HttpHeaders;
32 import javax.ws.rs.core.MediaType;
33 import javax.ws.rs.core.Response;
34 import javax.ws.rs.ext.ExceptionMapper;
35 import javax.ws.rs.ext.Provider;
36 import javax.xml.bind.JAXBContext;
37 import javax.xml.bind.JAXBException;
38 import javax.xml.bind.Marshaller;
39 import org.onap.so.apihandlerinfra.logging.ErrorLoggerInfo;
40 import org.onap.so.serviceinstancebeans.RequestError;
41 import org.onap.so.serviceinstancebeans.ServiceException;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
44 import com.fasterxml.jackson.annotation.JsonInclude;
45 import com.fasterxml.jackson.core.JsonProcessingException;
46 import com.fasterxml.jackson.databind.ObjectMapper;
47 import com.fasterxml.jackson.databind.SerializationFeature;
50 public class ApiExceptionMapper implements ExceptionMapper<ApiException> {
52 private static Logger logger = LoggerFactory.getLogger(ApiExceptionMapper.class);
55 private final JAXBContext context;
56 private final Marshaller marshaller;
59 private HttpHeaders headers;
61 public ApiExceptionMapper() {
63 context = JAXBContext.newInstance(RequestError.class);
64 marshaller = context.createMarshaller();
65 } catch (JAXBException e) {
66 logger.debug("could not create JAXB marshaller");
67 throw new IllegalStateException(e);
72 public Response toResponse(ApiException exception) {
74 return Response.status(exception.getHttpResponseCode()).entity(buildErrorString(exception)).build();
77 protected String buildErrorString(ApiException exception) {
78 String errorText = exception.getMessage();
79 String messageId = exception.getMessageID();
80 List<String> variables = exception.getVariables();
81 ErrorLoggerInfo errorLoggerInfo = exception.getErrorLoggerInfo();
85 if (errorText.length() > 1999) {
86 errorText = errorText.substring(0, 1999);
91 List<MediaType> typeList = Optional.ofNullable(headers.getAcceptableMediaTypes()).orElse(new ArrayList<>());
92 List<String> typeListString = typeList.stream().map(item -> item.toString()).collect(Collectors.toList());
94 if (typeListString.stream().anyMatch(item -> item.contains(MediaType.APPLICATION_XML))) {
95 type = MediaType.APPLICATION_XML_TYPE;
96 } else if (typeListString.stream().anyMatch(item -> typeListString.contains(MediaType.APPLICATION_JSON))) {
97 type = MediaType.APPLICATION_JSON_TYPE;
99 type = MediaType.APPLICATION_JSON_TYPE;
102 return buildServiceErrorResponse(errorText, messageId, variables, type);
106 protected String buildServiceErrorResponse(String errorText, String messageId, List<String> variables,
108 RequestError re = new RequestError();
109 ServiceException se = new ServiceException();
110 se.setMessageId(messageId);
111 se.setText(errorText);
112 if (variables != null) {
113 for (String variable : variables) {
114 se.getVariables().add(variable);
117 re.setServiceException(se);
118 String requestErrorStr;
120 ObjectMapper mapper = createObjectMapper();
122 mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);
123 mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT);
125 if (MediaType.APPLICATION_JSON_TYPE.equals(type)) {
126 requestErrorStr = mapper.writeValueAsString(re);
128 StringWriter sw = new StringWriter();
129 this.getMarshaller().marshal(re, sw);
130 requestErrorStr = sw.toString();
132 } catch (JsonProcessingException | JAXBException e) {
134 "Exception in buildServiceErrorResponse writing exceptionType to string " + e.getMessage();
135 logger.error("BuildServiceErrorResponse", e);
139 return requestErrorStr;
142 protected void writeErrorLog(Exception e, String errorText, ErrorLoggerInfo errorLogInfo) {
144 logger.error("Exception occurred", e);
145 if (errorLogInfo != null)
146 logger.error(errorLogInfo.getLoggerMessageType().toString(), errorLogInfo.getErrorSource(),
147 errorLogInfo.getTargetEntity(), errorLogInfo.getTargetServiceName(), errorLogInfo.getErrorCode(),
152 public ObjectMapper createObjectMapper() {
153 return new ObjectMapper();
156 public Marshaller getMarshaller() {