| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.pulsar.functions.utils; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| /** |
| * Util to handle exceptions. |
| */ |
| public class Exceptions { |
| |
| public static void rethrowIOException(Throwable cause) |
| throws IOException { |
| if (cause instanceof IOException) { |
| throw (IOException) cause; |
| } else if (cause instanceof RuntimeException) { |
| throw (RuntimeException) cause; |
| } else if (cause instanceof Error) { |
| throw (Error) cause; |
| } else { |
| throw new IOException(cause.getMessage(), cause); |
| } |
| } |
| |
| public static String toString(Exception ex) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| ex.printStackTrace(pw); |
| return sw.toString(); |
| } |
| |
| public static boolean areExceptionsPresentInChain(Throwable error, Class ... types) { |
| while (error != null) { |
| for (Class type : types) { |
| if (type.isInstance(error)) { |
| return true; |
| } |
| } |
| error = error.getCause(); |
| } |
| return false; |
| } |
| |
| } |