Integrate aai-schema-ingest library into aai-core

[aai/aai-common.git] / aai-core / src / main / java / org / onap / aai / logging / LogFormatTools.java

diff --git a/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java b/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
index 702741b..d91ba19 100644 (file)
--- a/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
+++ b/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * org.onap.aai
  * ================================================================================
- * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,8 +16,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * ============LICENSE_END=========================================================
- *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  */
 package org.onap.aai.logging;
 
@@ -25,6 +23,10 @@ import java.time.Instant;
 import java.time.ZoneOffset;
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
+import org.onap.aai.util.AAIConfig;
+import org.onap.aai.util.AAIConstants;
+import org.onap.aai.exceptions.AAIException;
+import org.apache.commons.lang.exception.ExceptionUtils;
 
 public class LogFormatTools {
 
@@ -43,4 +45,79 @@ public class LogFormatTools {
        public static long toTimestamp(String date) {
                return ZonedDateTime.parse(date, DTF).toInstant().toEpochMilli();
        }
+       /**
+        * Gets the stack top.
+        *
+        * @param e the e
+        * @return the stack top
+        * @throws NumberFormatException the number format exception
+        * @throws AAIException the AAI exception
+        */
+       public static String getStackTop(Throwable e) {
+           // StringBuilder is more efficient than StringBuffer and should only
+               // StringBuffer is only supposed to be used if multiple threads are modifying
+               // the same object and since this object is created locally not necessary
+               StringBuilder stackMessage = new StringBuilder();
+               int maxStackTraceEntries = 10;
+               try {
+                       maxStackTraceEntries = Integer.valueOf(AAIConfig.get(AAIConstants.LOGGING_MAX_STACK_TRACE_ENTRIES));
+               }
+               catch (AAIException a) {
+                       //ignore, use default
+               }
+               catch (NumberFormatException n) {
+                       //ignore, use default
+               }
+               if (e != null) {
+                       Throwable rootCause = ExceptionUtils.getRootCause(e);
+                       if (rootCause != null) {
+                               stackMessage.append("root cause=" + ExceptionUtils.getRootCause(e));
+                               StackTraceElement[] elements = rootCause.getStackTrace();
+                               int i = 0;
+                               for (StackTraceElement element : elements) {
+                                       if (i < maxStackTraceEntries) {
+                                               stackMessage.append(" ClassName- ");
+                                               stackMessage.append(element.getClassName());
+                                               stackMessage.append(" :LineNumber- ");
+                                               stackMessage.append(element.getLineNumber());
+                                               stackMessage.append(" :MethodName- ");
+                                               stackMessage.append(element.getMethodName());
+                                       }
+                                       i++;
+                               }
+                       } else if (e.getCause() != null) {
+                               stackMessage.append("cause=" + e.getCause());
+                               StackTraceElement[] elements = e.getCause().getStackTrace();
+                               int i = 0;
+                               for (StackTraceElement element : elements) {
+                                       if (i < maxStackTraceEntries) {
+                                               stackMessage.append(" ClassName- ");
+                                               stackMessage.append(element.getClassName());
+                                               stackMessage.append(" :LineNumber- ");
+                                               stackMessage.append(element.getLineNumber());
+                                               stackMessage.append(" :MethodName- ");
+                                               stackMessage.append(element.getMethodName());
+                                       }
+                                       i++;
+                               }
+                       } else if (e.getStackTrace() != null) {
+                               stackMessage.append("ex=" + e.toString());
+                               StackTraceElement[] elements = e.getStackTrace();
+                               int i = 0;
+                               for (StackTraceElement element : elements) {
+                                       if (i < maxStackTraceEntries) {
+                                               stackMessage.append(" ClassName- ");
+                                               stackMessage.append(element.getClassName());
+                                               stackMessage.append(" :LineNumber- ");
+                                               stackMessage.append(element.getLineNumber());
+                                               stackMessage.append(" :MethodName- ");
+                                               stackMessage.append(element.getMethodName());
+                                       }
+                                       i++;
+                               }
+                       }
+               }
+               return stackMessage.toString();
+       }
+
 }