content: /*
   * Copyright 2007-2019 Amazon.com, Inc. or its affiliates. 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.
   * A copy of the License is located at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * or in the "license" file accompanying this file. This file 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 com.amazon.ion.impl;
  
  import com.amazon.ion.util._Private_FastAppendable;
  import java.io.Closeable;
  import java.io.Flushable;
  import java.io.IOException;
  
  /**
   * NOT FOR APPLICATION USE!
   */
  public abstract class _Private_FastAppendableDecorator
      implements _Private_FastAppendable, Closeable, Flushable
  {
      private final _Private_FastAppendable myOutput;
  
      public _Private_FastAppendableDecorator(_Private_FastAppendable output) {
          myOutput = output;
      }
  
      public void flush()
          throws IOException
      {
          if (myOutput instanceof Flushable) {
              ((Flushable) myOutput).flush();
          }
      }
  
      public void close()
          throws IOException
      {
          if (myOutput instanceof Closeable) {
              ((Closeable) myOutput).close();
          }
      }
  
      public Appendable append(char c)
          throws IOException
      {
          myOutput.append(c);
          return this;
      }
  
      public Appendable append(CharSequence csq)
          throws IOException
      {
          myOutput.append(csq);
          return this;
      }
  
      public Appendable append(CharSequence csq, int start, int end)
          throws IOException
      {
          myOutput.append(csq, start, end);
          return this;
      }
  
      public void appendAscii(char c)
          throws IOException
      {
          myOutput.appendAscii(c);
      }
  
      public void appendAscii(CharSequence csq)
          throws IOException
      {
          myOutput.appendAscii(csq);
      }
  
      public void appendAscii(CharSequence csq, int start, int end)
          throws IOException
      {
          myOutput.appendAscii(csq, start, end);
      }
  
      public void appendUtf16(char c)
          throws IOException
      {
          myOutput.appendUtf16(c);
      }
  
      public void appendUtf16Surrogate(char leadSurrogate, char trailSurrogate)
          throws IOException
      {
          myOutput.appendUtf16Surrogate(leadSurrogate, trailSurrogate);
      }
  }
  