Interface IErrorMessageFormatter
- All Known Implementing Classes:
DataSonnetErrorMessageFormatter,ErrorMessageFormatter,FixedErrorMessageFormatter,SoapErrorMessageFormatter,XslErrorMessageFormatter,Y01ErrorMessageFormatter
errorMessageFormatter is responsible for returning a message
describing the error at hand in a format that the receiver expects.
ErrorMessageFormatters are configured on Adapters or Configurations to format
exception messages when an exception is thrown during the PipeLine execution process.
The ErrorMessageFormatter is called when a IPipe throws an exception, and has an exceptionForward. The
target of the exceptionForward will receive the message produced by the ErrorMessageFormatter.
The ErrorMessageFormatter is also called when any exception occurs during pipeline execution that is not caught or handled
by an exceptionForward. Request-Reply receivers configured with FORMAT_AND_RETURN will then return the formatted error message as the pipeline result.
If you want to return a specific error message from a pipeline to signal a (functional) error condition that did not result from
an exception, use an ExceptionPipe to trigger an exception. This exception will then result in the
ErrorMessageFormatter being called.
You can use IParameters on the ExceptionPipe to pass specific
information to the ErrorMessageFormatter such as error codes, error messages, etc. See the example message layouts in
ErrorMessageFormatter to see how parameters are available in the XML or JSON error message.
Parameters from the ExceptionPipe are also copied into the PipeLineSession.
When no specific ErrorMessageFormatter is configured on the Adapter or its Configuration, the default implementation
ErrorMessageFormatter is used with a default XML format. For more control
over the layout of the message, configure a XslErrorMessageFormatter or
DataSonnetErrorMessageFormatter.
If these do not provide enough control over the error message format for your adapter, you can provide a custom implementation of this interface as custom code in your configuration.
- Author:
- Johan Verrips
-
Method Summary
-
Method Details
-
format
-