001/**
002 *
003 * Copyright 2019 Florian Schmaus.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smack.util;
018
019import java.io.PrintWriter;
020import java.io.StringWriter;
021
022public class ExceptionUtil {
023
024    public static String getStackTrace(Throwable throwable) {
025        if (throwable == null) {
026            return null;
027        }
028
029        StringWriter stringWriter = new StringWriter();
030        PrintWriter printWriter = new PrintWriter(stringWriter);
031
032        // CHECKSTYLE:OFF
033        throwable.printStackTrace(printWriter);
034        // CHECKSTYLE:ON
035
036        printWriter.flush();
037
038        StringBuffer stringBuffer = stringWriter.getBuffer();
039        return stringBuffer.toString();
040    }
041
042}