2 * ================================================================================
3 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END=========================================================
20 package org.onap.dcae.utils.eelf.logger.logback.layout;
22 import ch.qos.logback.classic.spi.ILoggingEvent;
23 import ch.qos.logback.core.LayoutBase;
24 import org.onap.dcae.utils.eelf.logger.api.info.LogLevelCategory;
25 import org.onap.dcae.utils.eelf.logger.api.spec.ErrorLogSpec;
26 import org.onap.dcae.utils.eelf.logger.api.spec.OptionalLogSpec;
27 import org.onap.dcae.utils.eelf.logger.logback.utils.LogUtils;
31 * Error Log Layout generates log messages as per EELF Error Log Specifications
33 * @author Rajiv Singla
35 public class ErrorLogLayout extends LayoutBase<ILoggingEvent> {
38 public String doLayout(final ILoggingEvent event) {
40 final LogLevelCategory logLevelCategory = LogUtils.getLogLevelCategory();
41 final Class<?> loggerClass = LogUtils.getLoggerClass();
42 final OptionalLogSpec optionalLogSpec = LogUtils.getOptionalLogSpec(loggerClass, logLevelCategory);
44 final ErrorLogSpec errorLogSpec = LogUtils.getErrorLogSpec();
46 final String creationTimestamp = LogUtils.formatDate(optionalLogSpec.getCreationTimestamp());
48 final String[] errorLogValues = {
50 errorLogSpec.getRequestId(),
51 event.getThreadName(),
52 errorLogSpec.getServiceName(),
53 errorLogSpec.getPartnerName(),
54 errorLogSpec.getTargetEntity(),
55 errorLogSpec.getTargetServiceName(),
56 logLevelCategory != null ? logLevelCategory.name() : "",
57 errorLogSpec.getErrorCode() != null ? errorLogSpec.getErrorCode().toString() : "",
58 errorLogSpec.getErrorDescription(),
59 event.getFormattedMessage()
62 return LogUtils.createLogMessageString(errorLogValues);