content: /*
   * 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.celeborn.common.util;
  
  import java.io.IOException;
  import java.io.PrintWriter;
  import java.io.StringWriter;
  
  import org.apache.celeborn.common.exception.CelebornIOException;
  import org.apache.celeborn.common.exception.PartitionUnRetryAbleException;
  
  public class ExceptionUtils {
  
    public static void wrapAndThrowIOException(Exception exception) throws IOException {
      if (exception instanceof CelebornIOException) {
        throw (CelebornIOException) exception;
      } else if (exception instanceof IOException) {
        throw new CelebornIOException(exception);
      } else {
        throw new CelebornIOException(exception.getMessage(), exception);
      }
    }
  
    public static Throwable wrapIOExceptionToUnRetryable(Throwable throwable) {
      if (throwable instanceof IOException) {
        return new PartitionUnRetryAbleException(throwable.getMessage(), throwable);
      } else {
        return throwable;
      }
    }
  
    public static IOException wrapThrowableToIOException(Throwable throwable) {
      if (throwable instanceof IOException) {
        return (IOException) throwable;
      } else {
        return new IOException(throwable.getMessage(), throwable);
      }
    }
  
    public static String stringifyException(Throwable exception) {
      if (exception == null) {
        return "(null)";
      }
  
      try {
        StringWriter stm = new StringWriter();
        PrintWriter wrt = new PrintWriter(stm);
        exception.printStackTrace(wrt);
        wrt.close();
        return stm.toString();
      } catch (Throwable throwable) {
        return exception.getClass().getName() + " (error while printing stack trace)";
      }
    }
  
    public static boolean connectFail(String message) {
      return (message.startsWith("Connection from ") && message.endsWith(" closed"))
          || (message.equals("Connection reset by peer"))
          || (message.startsWith("Failed to send request "));
    }
  }
  