org.apache.commons.scxml.env
Class Tracer

java.lang.Object
  org.apache.commons.scxml.env.Tracer

All Implemented Interfaces:

Serializable, ErrorReporter, SCXMLListener, ErrorHandler

public class Tracer
extends Object
implements ErrorHandler, ErrorReporter, SCXMLListener, Serializable

A simple tracer connected to Apache Commons Logging.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.commons.scxml.ErrorReporter

EXPRESSION_ERROR, ILLEGAL_CONFIG, ILLEGAL_INITIAL, NO_INITIAL, NON_DETERMINISTIC, UNDEFINED_VARIABLE, UNKNOWN_ACTION

Constructor Summary

Tracer()
Constructor.

Method Summary

void	error(SAXParseException exception)
void	fatalError(SAXParseException exception)
void	onEntry(TransitionTarget target) Handle the entry into a TransitionTarget.
void	onError(String errCode, String errDetail, Object errCtx) Handler for reporting an error.
void	onExit(TransitionTarget target) Handle the exit out of a TransitionTarget.
void	onTransition(TransitionTarget from, TransitionTarget to, Transition transition) Handle the transition.
void	warning(SAXParseException exception)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Tracer

public Tracer()

Constructor.

Method Detail

warning

public void warning(SAXParseException exception)
             throws SAXException

Specified by:

warning in interface ErrorHandler

Throws:

SAXException

See Also:

ErrorHandler.warning(org.xml.sax.SAXParseException)

error

public void error(SAXParseException exception)
           throws SAXException

Specified by:

error in interface ErrorHandler

Throws:

SAXException

See Also:

ErrorHandler.error(org.xml.sax.SAXParseException)

fatalError

public void fatalError(SAXParseException exception)
                throws SAXException

Specified by:

fatalError in interface ErrorHandler

Throws:

SAXException

See Also:

ErrorHandler.fatalError(org.xml.sax.SAXParseException)

onError

public void onError(String errCode,
                    String errDetail,
                    Object errCtx)

Description copied from interface: ErrorReporter

Handler for reporting an error.

Specified by:

onError in interface ErrorReporter

Parameters:

errCode - one of the ErrorReporter's constants

errDetail - human readable description

errCtx - typically an SCXML element which caused an error, may be accompanied by additional information

See Also:

ErrorReporter.onError(String, String, Object)

onEntry

public void onEntry(TransitionTarget target)

Description copied from interface: SCXMLListener

Handle the entry into a TransitionTarget.

Specified by:

onEntry in interface SCXMLListener

Parameters:

target - The TransitionTarget entered

See Also:

SCXMLListener.onEntry(TransitionTarget)

onExit

public void onExit(TransitionTarget target)

Description copied from interface: SCXMLListener

Handle the exit out of a TransitionTarget.

Specified by:

onExit in interface SCXMLListener

Parameters:

target - The TransitionTarget exited

See Also:

SCXMLListener.onExit(TransitionTarget)

onTransition

public void onTransition(TransitionTarget from,
                         TransitionTarget to,
                         Transition transition)

Description copied from interface: SCXMLListener

Handle the transition.

Specified by:

onTransition in interface SCXMLListener

Parameters:

from - The source TransitionTarget

to - The destination TransitionTarget

transition - The Transition taken

See Also:

SCXMLListener.onTransition(TransitionTarget,TransitionTarget,Transition)