2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 - 2019 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.onap.vid.utils;
23 import static java.util.Collections.emptyMap;
24 import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;
25 import static org.apache.commons.lang3.exception.ExceptionUtils.getRootCause;
26 import static org.apache.commons.lang3.exception.ExceptionUtils.getThrowableList;
27 import static org.onap.vid.utils.Streams.not;
29 import com.att.eelf.configuration.EELFLogger;
30 import com.fasterxml.jackson.core.JsonProcessingException;
31 import com.fasterxml.jackson.databind.ObjectMapper;
32 import com.fasterxml.jackson.databind.SerializationFeature;
33 import com.google.common.collect.ImmutableList;
34 import io.joshworks.restclient.http.HttpResponse;
35 import java.nio.charset.StandardCharsets;
36 import java.util.Arrays;
38 import java.util.Optional;
39 import java.util.UUID;
40 import java.util.concurrent.Callable;
41 import java.util.function.Function;
42 import javax.servlet.http.HttpServletRequest;
43 import javax.ws.rs.core.Response;
44 import org.apache.commons.io.IOUtils;
45 import org.apache.commons.lang3.StringUtils;
46 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
47 import org.onap.portalsdk.core.util.SystemProperties;
48 import org.onap.vid.exceptions.GenericUncheckedException;
49 import org.onap.vid.utils.Unchecked.UncheckedThrowingSupplier;
51 import org.springframework.http.HttpMethod;
52 import org.springframework.stereotype.Service;
53 import org.springframework.web.context.request.RequestContextHolder;
54 import org.springframework.web.context.request.ServletRequestAttributes;
57 public class Logging {
59 public static final String HTTP_REQUESTS_OUTGOING = "http.requests.outgoing.";
61 public static final String REQUEST_ID_HEADER_KEY = SystemProperties.ECOMP_REQUEST_ID;
62 public static final String ONAP_REQUEST_ID_HEADER_KEY = "X-ONAP-RequestID";
65 private static ObjectMapper objectMapper = new ObjectMapper();
67 public static String getMethodName() {
68 return getMethodName(0);
71 public static String getMethodCallerName() {
72 return getMethodName(1);
75 private static String getMethodName(int depth) {
76 final StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
77 String thisClassName = stackTrace[1].getClassName();
78 final Optional<String> caller =
79 Arrays.stream(stackTrace)
81 .filter(not(frame -> frame.getClassName().equals(thisClassName)))
83 .map(StackTraceElement::getMethodName)
85 return caller.orElse("<unknonwn method name>");
88 public static EELFLogger getRequestsLogger(String serverName) {
89 return EELFLoggerDelegate.getLogger(HTTP_REQUESTS_OUTGOING +serverName);
92 public void logRequest(final EELFLogger logger, final HttpMethod method, final String url, final Object body) {
93 if (!logger.isDebugEnabled()) {
98 logRequest(logger, method, url);
103 String bodyAsJson = objectMapper.writeValueAsString(body);
104 logger.debug("Sending {} {} Body: {}", method.name(), url, bodyAsJson);
105 } catch (JsonProcessingException e) {
106 logRequest(logger, method, url);
107 logger.debug("Failed to parse object in logRequest. {}", body);
111 public void logRequest(final EELFLogger logger, final HttpMethod method, final String url) {
112 logger.debug("Sending {} {}", method.name(), url);
115 public <T> void logResponse(final EELFLogger logger, final HttpMethod method, final String url, final Response response, final Class<T> entityClass) {
116 if (!logger.isDebugEnabled()) {
119 if (response == null) {
120 logger.debug("Received {} {} response: null", method.name(), url);
124 response.bufferEntity();
125 logger.debug("Received {} {} Status: {} . Body: {}", method.name(), url, response.getStatus(), response.readEntity(entityClass));
127 catch (Exception e) {
128 logger.debug("Received {} {} Status: {} . Failed to read response as {}", method.name(), url, response.getStatus(), entityClass.getName());
132 public <T> void logResponse(final EELFLogger logger, final HttpMethod method, final String url, final HttpResponse<T> response) {
134 logger.debug("Received {} {} Status: {} . Body: {}", method.name(),
135 url, response.getStatus(), IOUtils.toString(response.getRawBody(), StandardCharsets.UTF_8));
136 response.getRawBody().reset();
138 catch (Exception e) {
139 logger.debug("Received {} {} Status: {} . Failed to read response", method.name(), url, response.getStatus());
143 public void logResponse(final EELFLogger logger, final HttpMethod method, final String url, final Response response) {
144 logResponse(logger, method, url, response, String.class);
147 public static HttpServletRequest getHttpServletRequest(){
148 return ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
151 public static String extractOrGenerateRequestId() {
153 return getHttpServletRequest().getHeader(REQUEST_ID_HEADER_KEY);
155 catch (IllegalStateException e) {
156 //in async jobs we don't have any HttpServletRequest
157 return UUID.randomUUID().toString();
161 public static void debugRequestDetails(Object requestDetails, final EELFLogger logger) {
162 if (logger.isDebugEnabled()) {
163 String requestDetailsAsString;
165 requestDetailsAsString = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT).writeValueAsString(requestDetails);
166 } catch (JsonProcessingException e) {
167 requestDetailsAsString = "error: cannot stringify RequestDetails";
169 logger.debug("requestDetailsAsString: {}", requestDetailsAsString);
173 public static String exceptionToDescription(Throwable exceptionToDescribe) {
174 // Ignore top-most GenericUnchecked or Runtime exceptions that has no added message
175 final Throwable top = getThrowableList(exceptionToDescribe).stream()
176 .filter(not(e -> ImmutableList.of(GenericUncheckedException.class, RuntimeException.class).contains(e.getClass())
177 && StringUtils.equals(e.getMessage(), e.getCause() == null ? null : e.getCause().toString())))
178 .findFirst().orElse(exceptionToDescribe);
180 final Throwable root = defaultIfNull(getRootCause(top), top);
182 String rootToString = root.toString();
184 // nullPointer description will include some context
185 if (root.getClass().equals(NullPointerException.class) && root.getStackTrace().length > 0) {
186 rootToString = String.format("NullPointerException at %s:%d",
187 root.getStackTrace()[0].getFileName(),
188 root.getStackTrace()[0].getLineNumber());
191 // if input is a single exception, without cause: top.toString
192 // else: return top.toString + root.toString
193 // but not if root is already described in top.toString
194 if (top.equals(root)) {
197 final String topToString = top.toString();
198 if (topToString.contains(root.getClass().getName()) && topToString.contains(root.getLocalizedMessage())) {
201 return topToString + ": " + rootToString;
207 * in order to be able to write the correct data while creating the node on a new thread save a copy of the current
208 * thread's context map, with keys and values of type String.
210 public <T> Callable<T> withMDC(Map<String, String> copyOfParentMDC, Callable<T> callable) {
211 return () -> withMDCInternal(copyOfParentMDC, callable::call);
215 * in order to be able to write the correct data while creating the node on a new thread save a copy of the current
216 * thread's context map, with keys and values of type String.
218 public <T, U> Function<T, U> withMDC(Map<String, String> copyOfParentMDC, Function<T, U> function) {
219 return t -> withMDCInternal(copyOfParentMDC, () -> function.apply(t));
222 <T> T withMDCInternal(Map<String, String> copyOfParentMDC, UncheckedThrowingSupplier<T> supplier) {
224 MDC.setContextMap(defaultIfNull(copyOfParentMDC, emptyMap()));
225 return supplier.get();