13.9.4 ErrorHandler Objects
Objects with this interface are used to receive error and warning
information from the XMLReader. If you create an object that
implements this interface, then register the object with your
XMLReader, the parser will call the methods in your object to
report all warnings and errors. There are three levels of errors
available: warnings, (possibly) recoverable errors, and unrecoverable
errors. All methods take a SAXParseException as the only
parameter. Errors and warnings may be converted to an exception by
raising the passed-in exception object.
Called when the parser encounters a recoverable error. If this method
does not raise an exception, parsing may continue, but further document
information should not be expected by the application. Allowing the
parser to continue may allow additional errors to be discovered in the
Called when the parser encounters an error it cannot recover from;
parsing is expected to terminate when this method returns.
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Called when the parser presents minor warning information to the
application. Parsing is expected to continue when this method returns,
and document information will continue to be passed to the application.
Raising an exception in this method will cause parsing to end.