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.activemq.transport.amqp.client.util;
  
  import java.io.IOException;
  
  /**
   * Used to make throwing IOException instances easier.
   */
  public class IOExceptionSupport {
  
      /**
       * Checks the given cause to determine if it's already an IOException type and
       * if not creates a new IOException to wrap it.
       *
       * @param cause
       *        The initiating exception that should be cast or wrapped.
       *
       * @return an IOException instance.
       */
      public static IOException create(Throwable cause) {
          if (cause instanceof IOException) {
              return (IOException) cause;
          }
  
          String message = cause.getMessage();
          if (message == null || message.length() == 0) {
              message = cause.toString();
          }
  
          return new IOException(message, cause);
      }
  }
  