Package javax.servlet

Interface WriteListener

All Superinterfaces:
EventListener
public interface WriteListener extends EventListener
Receives notification of write events when using non-blocking IO.
Since:
Servlet 3.1

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onError(Throwable throwable)
    Invoked if an error occurs while writing the response.
    void
    onWritePossible()
    Invoked when it it possible to write data without blocking.

  • Method Details

    • onWritePossible

      void onWritePossible() throws IOException
      Invoked when it it possible to write data without blocking. The container will invoke this method the first time for a request as soon as data can be written. Subsequent invocations will only occur if a call to ServletOutputStream.isReady() has returned false and it has since become possible to write data.
      Throws:
      IOException - if an I/O error occurs while processing this event

    • onError

      void onError(Throwable throwable)
      Invoked if an error occurs while writing the response.
      Parameters:
      throwable - The throwable that represents the error that occurred