org.biojava.bio.program.tagvalue
Class StateMachine.SimpleStateListener

java.lang.Object
  org.biojava.bio.program.tagvalue.StateMachine.SimpleStateListener

All Implemented Interfaces:

TagValueListener

Enclosing class:

StateMachine

public class StateMachine.SimpleStateListener
extends Object
implements TagValueListener

a basic listener for a State. It forwards all events to the delegate for the StateMachine. Extend to implement listeners for specific states.

Constructor Summary

StateMachine.SimpleStateListener()

Method Summary

void	endRecord() The current record has ended.
void	endTag() End the current tag.
void	setExceptionOnNullDelegate(boolean throwException) determines if an exception is thrown when an event arrives without the delegate being set.
void	startRecord() A new record is about to start.
void	startTag(Object tag) Start a new tag.
void	value(TagValueContext ctxt, Object value) A value has been seen.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateMachine.SimpleStateListener

public StateMachine.SimpleStateListener()

Method Detail

setExceptionOnNullDelegate

public void setExceptionOnNullDelegate(boolean throwException)

determines if an exception is thrown when an event arrives without the delegate being set. Default is that a ParserException is thrown. i

startTag

public void startTag(Object tag)
              throws ParserException

Description copied from interface: TagValueListener

Start a new tag.

Specified by:

startTag in interface TagValueListener

Parameters:

tag - the Object representing the new tag

Throws:

ParserException - if the tag could not be started

endTag

public void endTag()
            throws ParserException

Description copied from interface: TagValueListener

End the current tag.

Specified by:

endTag in interface TagValueListener

Throws:

ParserException - if the tag could not be ended

startRecord

public void startRecord()
                 throws ParserException

Description copied from interface: TagValueListener

A new record is about to start.

Specified by:

startRecord in interface TagValueListener

Throws:

ParserException - if the record can not be started

endRecord

public void endRecord()
               throws ParserException

Description copied from interface: TagValueListener

The current record has ended.

Specified by:

endRecord in interface TagValueListener

Throws:

ParserException - if the record can not be ended

value

public void value(TagValueContext ctxt,
                  Object value)
           throws ParserException

Description copied from interface: TagValueListener

A value has been seen.

Specified by:

value in interface TagValueListener

Parameters:

ctxt - a TagValueContext that could be used to push a sub-document

value - the value Object observed

Throws:

ParserException - if the value could not be processed