package org.apache.maven.surefire.api.util.internal;
   
   /*
    * 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.
   */
  
  import java.io.IOException;
  import java.nio.Buffer;
  import java.nio.ByteBuffer;
  import java.nio.channels.ClosedChannelException;
  import java.nio.channels.NonWritableChannelException;
  
  /**
   * The channel used for writes which cannot be implicitly closed after the operational Thread
   * is {@link Thread#isInterrupted() interrupted}.
   *
   * @since 3.0.0-M5
   */
  abstract class AbstractNoninterruptibleWritableChannel implements WritableBufferedByteChannel
  {
      private volatile boolean open = true;
  
      protected abstract void writeImpl( ByteBuffer src ) throws IOException;
      protected abstract void closeImpl() throws IOException;
      protected abstract void flushImpl() throws IOException;
  
      @Override
      public final int write( ByteBuffer src ) throws IOException
      {
          return write( src, true );
      }
  
      @Override
      public final void writeBuffered( ByteBuffer src ) throws IOException
      {
          write( src, false );
      }
  
      int write( ByteBuffer src, boolean flush ) throws IOException
      {
          if ( !isOpen() )
          {
              throw new ClosedChannelException();
          }
  
          if ( !src.hasArray() || src.isReadOnly() )
          {
              throw new NonWritableChannelException();
          }
  
          if ( src.remaining() != src.capacity() )
          {
              ( (Buffer) src ).flip();
          }
  
          int countWrittenBytes = src.remaining();
          writeImpl( src );
          ( (Buffer) src ).position( ( (Buffer) src ).limit() );
          if ( flush )
          {
              flushImpl();
          }
          return countWrittenBytes;
      }
  
      @Override
      public final boolean isOpen()
      {
          return open;
      }
  
      @Override
      public final void close() throws IOException
      {
          open = false;
          closeImpl();
      }
  }