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/*
* ============LICENSE_START=======================================================
* SPARKY (AAI UI service)
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.openecomp.sparky.util;
/**
* The Class ExceptionHelper.
*/
public class ExceptionHelper {
/**
* Extract stack trace elements.
*
* @param maxNumberOfElementsToCapture the max number of elements to capture
* @param exc the exc
* @return the string
*/
public static String extractStackTraceElements(int maxNumberOfElementsToCapture, Exception exc) {
StringBuilder sb = new StringBuilder(128);
StackTraceElement[] stackTraceElements = exc.getStackTrace();
if (stackTraceElements != null) {
/*
* We want to avoid an index out-of-bounds error, so we will make sure to only extract the
* number of frames from the stack trace that actually exist.
*/
int numFramesToExtract = Math.min(maxNumberOfElementsToCapture, stackTraceElements.length);
for (int x = 0; x < numFramesToExtract; x++) {
sb.append(stackTraceElements[x]).append("\n");
}
}
return sb.toString();
}
}
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