Examples of java.nio.channels.ClosedChannelException

java.nio.channels.ClosedChannelException
Checked exception thrown when an attempt is made to invoke or complete an I/O operation upon channel that is closed, or at least closed to that operation. That this exception is thrown does not necessarily imply that the channel is completely closed. A socket channel whose write half has been shut down, for example, may still be open for reading. @version 1.9, 01/11/19 @since 1.4


      private boolean open = true;


      public int write(ByteBuffer src) throws IOException {
        if (open == false) {
          throw new ClosedChannelException();
        }


        final int p = buffer.position();
        final int l = buffer.limit();
        final int r = src.remaining();

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      private boolean open = true;


      public int read(ByteBuffer dst) throws IOException {
        if (open == false) {
          throw new ClosedChannelException();
        }


        final int p = buffer.position();
        final int l = buffer.limit();
        final int r = dst.remaining();

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        // if underlying connection is closed throwing a ClosedChannelException, because
        // the body is not complete
        } else {
          isOpen.set(false);
          throw new ClosedChannelException();
        }
      }
      
    } else {
      return available;

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  private void preAppend() throws IOException {
    lastTimeDataReceivedMillis = System.currentTimeMillis();
    
    if (!isOpen.get() || isDestroyed.get()) {
      throw new ClosedChannelException();
    }
  }

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            } else {
                
                // is destroyed? 
                if (isDestroyed.get()) {
                    close();
                    throw new ClosedChannelException();
                } else {
                    return 0;
                }
            }

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                        if (isPrimarySinkClosed.get()) {
                            if (!isSecondarySinkClosed.get()) {
                                write(secondarySink, isSecondarySinkClosed, buffer);
                            } else {
                                throw new ClosedChannelException();
                            }
                        } else {
                            if (!isSecondarySinkClosed.get()) {
                                write(secondarySink, isSecondarySinkClosed, buffer.duplicate());
                            }

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    if (!isDisconnected.getAndSet(true)) {
      
      // notify pending handlers 
      while (!bodyReceivingResponseHandlers.isEmpty()) {
        bodyReceivingResponseHandlers.remove(0).onException(new ClosedChannelException());
      }
      
      
      // notify waiting handler 
      for (MessageHandler messageHandler : getHandlersWaitingForResponseCopy()) {

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        destroy();
        throw new IOException(msg);
      }
      
    } else {
      throw new ClosedChannelException();
    }    
  }

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        destroy();
        throw new IOException(msg);
      }
      
    } else {
      throw new ClosedChannelException();
    }    


  }

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        destroy();
        throw new IOException(msg);
      }
        
    } else {
      throw new ClosedChannelException();
    }
  }

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