2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 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 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
24 package org.openecomp.sparky.util;
27 * The Class ErrorUtil.
29 public class ErrorUtil {
32 * Extract stack trace elements.
34 * @param maxNumberOfElementsToCapture the max number of elements to capture
38 public static String extractStackTraceElements(int maxNumberOfElementsToCapture, Exception exc) {
39 StringBuilder sb = new StringBuilder(128);
41 StackTraceElement[] stackTraceElements = exc.getStackTrace();
43 if (stackTraceElements != null) {
46 * We want to avoid an index out-of-bounds error, so we will make sure to only extract the
47 * number of frames from the stack trace that actually exist.
50 int numFramesToExtract = Math.min(maxNumberOfElementsToCapture, stackTraceElements.length);
52 for (int x = 0; x < numFramesToExtract; x++) {
53 sb.append(stackTraceElements[x]).append("\n");