aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 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
  10  *
  11  *    http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  *
  20  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  21  */
  22 package org.onap.aai.logging;
  23
  24 import java.time.Instant;
  25 import java.time.ZoneOffset;
  26 import java.time.ZonedDateTime;
  27 import java.time.format.DateTimeFormatter;
  28 import org.onap.aai.util.AAIConfig;
  29 import org.onap.aai.util.AAIConstants;
  30 import org.onap.aai.exceptions.AAIException;
  31 import org.apache.commons.lang.exception.ExceptionUtils;
  32
  33 public class LogFormatTools {
  34
  35         private static final String DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
  36         private static final DateTimeFormatter DTF = DateTimeFormatter.ofPattern(DATE_FORMAT)
  37                                                                                                                                         .withZone(ZoneOffset.UTC);
  38
  39         public static String getCurrentDateTime() {
  40                 return DTF.format(ZonedDateTime.now());
  41         }
  42
  43         public static String toDate(long timestamp) {
  44                 return DTF.format(Instant.ofEpochMilli(timestamp));
  45         }
  46
  47         public static long toTimestamp(String date) {
  48                 return ZonedDateTime.parse(date, DTF).toInstant().toEpochMilli();
  49         }
  50         /**
  51          * Gets the stack top.
  52          *
  53          * @param e the e
  54          * @return the stack top
  55          * @throws NumberFormatException the number format exception
  56          * @throws AAIException the AAI exception
  57          */
  58         public static String getStackTop(Throwable e) {
  59                 StringBuffer stackMessage = new StringBuffer();
  60                 int maxStackTraceEntries = 10;
  61                 try {
  62                         maxStackTraceEntries = Integer.valueOf(AAIConfig.get(AAIConstants.LOGGING_MAX_STACK_TRACE_ENTRIES));
  63                 }
  64                 catch (AAIException a) {
  65                         //ignore, use default
  66                 }
  67                 catch (NumberFormatException n) {
  68                         //ignore, use default
  69                 }
  70                 if (e != null) {
  71                         Throwable rootCause = ExceptionUtils.getRootCause(e);
  72                         if (rootCause != null) {
  73                                 stackMessage.append("root cause=" + ExceptionUtils.getRootCause(e));
  74                                 StackTraceElement[] elements = rootCause.getStackTrace();
  75                                 int i = 0;
  76                                 for (StackTraceElement element : elements) {
  77                                         if (i < maxStackTraceEntries) {
  78                                                 stackMessage.append(" ClassName- ");
  79                                                 stackMessage.append(element.getClassName());
  80                                                 stackMessage.append(" :LineNumber- ");
  81                                                 stackMessage.append(element.getLineNumber());
  82                                                 stackMessage.append(" :MethodName- ");
  83                                                 stackMessage.append(element.getMethodName());
  84                                         }
  85                                         i++;
  86                                 }
  87                         } else if (e.getCause() != null) {
  88                                 stackMessage.append("cause=" + e.getCause());
  89                                 StackTraceElement[] elements = e.getCause().getStackTrace();
  90                                 int i = 0;
  91                                 for (StackTraceElement element : elements) {
  92                                         if (i < maxStackTraceEntries) {
  93                                                 stackMessage.append(" ClassName- ");
  94                                                 stackMessage.append(element.getClassName());
  95                                                 stackMessage.append(" :LineNumber- ");
  96                                                 stackMessage.append(element.getLineNumber());
  97                                                 stackMessage.append(" :MethodName- ");
  98                                                 stackMessage.append(element.getMethodName());
  99                                         }
 100                                         i++;
 101                                 }
 102                         } else if (e.getStackTrace() != null) {
 103                                 stackMessage.append("ex=" + e.toString());
 104                                 StackTraceElement[] elements = e.getStackTrace();
 105                                 int i = 0;
 106                                 for (StackTraceElement element : elements) {
 107                                         if (i < maxStackTraceEntries) {
 108                                                 stackMessage.append(" ClassName- ");
 109                                                 stackMessage.append(element.getClassName());
 110                                                 stackMessage.append(" :LineNumber- ");
 111                                                 stackMessage.append(element.getLineNumber());
 112                                                 stackMessage.append(" :MethodName- ");
 113                                                 stackMessage.append(element.getMethodName());
 114                                         }
 115                                         i++;
 116                                 }
 117                         }
 118                 }
 119                 return stackMessage.toString();
 120         }
 121
 122 }