Package javax.servlet
Interface WriteListener
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- All Superinterfaces:
java.util.EventListener
public interface WriteListener extends java.util.EventListener
Receives notification of write events when using non-blocking IO.- Since:
- Servlet 3.1
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
onError(java.lang.Throwable throwable)
Invoked if an error occurs while writing the response.void
onWritePossible()
Invoked when it it possible to write data without blocking.
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Method Detail
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onWritePossible
void onWritePossible() throws java.io.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 toServletOutputStream.isReady()
has returned false and it has since become possible to write data.- Throws:
java.io.IOException
- if an I/O error occurs while processing this event
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onError
void onError(java.lang.Throwable throwable)
Invoked if an error occurs while writing the response.- Parameters:
throwable
- The throwable that represents the error that occurred
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