2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017-2018 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 package org.onap.aai.sparky.util;
24 * The Class ErrorUtil.
26 public class ErrorUtil {
28 private ErrorUtil() {}
31 * Extract stack trace elements.
33 * @param maxNumberOfElementsToCapture the max number of elements to capture
37 public static String extractStackTraceElements(int maxNumberOfElementsToCapture, Exception exc) {
38 StringBuilder sb = new StringBuilder(128);
40 StackTraceElement[] stackTraceElements = exc.getStackTrace();
42 if (stackTraceElements != null) {
45 * We want to avoid an index out-of-bounds error, so we will make sure to only extract the
46 * number of frames from the stack trace that actually exist.
49 int numFramesToExtract = Math.min(maxNumberOfElementsToCapture, stackTraceElements.length);
51 for (int index = 0; index < numFramesToExtract; index++) {
52 sb.append(stackTraceElements[index]).append("\n");