public int getColumnNumber()
Return the character position where the current document event ends.

Warning: The return value from the method
is intended only as an approximation for the sake of error
reporting; it is not intended to provide sufficient information
to edit the character content of the original XML document.

The return value is an approximation of the column number
in the document entity or external parsed entity where the
markup that triggered the event appears.

 public int getLineNumber()
Return the line number where the current document event ends.

Warning: The return value from the method
is intended only as an approximation for the sake of error
reporting; it is not intended to provide sufficient information
to edit the character content of the original XML document.

The return value is an approximation of the line number
in the document entity or external parsed entity where the
markup that triggered the event appears.

 public String getPublicId()
Return the public identifier for the current document event.

The return value is the public identifier of the document
entity or of the external parsed entity in which the markup that
triggered the event appears.

 public String getSystemId()
Return the system identifier for the current document event.

The return value is the system identifier of the document
entity or of the external parsed entity in which the markup that
triggered the event appears.

If the system identifier is a URL, the parser must resolve it
fully before passing it to the application.