edu.ou.kmi.buddyspace.xml
Class XMLFileDocHandler

java.lang.Object
  |
  +--SubHandler
        |
        +--edu.ou.kmi.buddyspace.xml.XMLFileDocHandler

public class XMLFileDocHandler

extends SubHandler

Main file handler given to a SAX-enabled parser.

See Also:

Serialized Form

Field Summary

protected edu.ou.kmi.buddyspace.xml.XMLFileDocInterface

isi instantiating handler, used for sending messages back up the pipe.

Constructor Summary

XMLFileDocHandler()
Creates a new XMLFileDocHandler instance.

Method Summary

void	handleEndElement(java.lang.String name) handleEndElement method
void	handleStartElement(java.lang.String name, org.xml.sax.AttributeList attributes) handle the start of an element, including finding an appropriate handler for the element or namespace type
void	receiveChildData(SubHandler subHandler, java.lang.Object p) receiveChildData receives packets constructed by the subordinate handlers, and shuttles it to the protocol handler
void	setDataHandler(edu.ou.kmi.buddyspace.xml.XMLFileDocInterface isi) set the XMLFileDocInterface, used to inform client code of new received data.
java.lang.Object	stopHandler(java.lang.String name) stopHandler returns null since there is no 'data' returned which was not already sent via the 'receive' method.

Methods inherited from class java.lang.Object

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

Field Detail

isi

protected edu.ou.kmi.buddyspace.xml.XMLFileDocInterface isi

instantiating handler, used for sending messages back up the pipe.

Constructor Detail

XMLFileDocHandler

public XMLFileDocHandler()

Creates a new XMLFileDocHandler instance.

Method Detail

setDataHandler

public final void setDataHandler(edu.ou.kmi.buddyspace.xml.XMLFileDocInterface isi)

set the XMLFileDocInterface, used to inform client code of new received data.

Parameters:

isi - XMLFileDocInterface

handleStartElement

public void handleStartElement(java.lang.String name,
                               org.xml.sax.AttributeList attributes)
                        throws org.xml.sax.SAXException

handle the start of an element, including finding an appropriate handler for the element or namespace type

Parameters:

name - element name

attributes - element attributes

Throws:

org.xml.sax.SAXException - unknown root element, or XML parsing error

handleEndElement

public final void handleEndElement(java.lang.String name)
                            throws org.xml.sax.SAXException

handleEndElement method

Parameters:

name - a String value

Throws:

org.xml.sax.SAXException - if an error occurs

receiveChildData

public void receiveChildData(SubHandler subHandler,
                             java.lang.Object p)
                      throws org.xml.sax.SAXException

receiveChildData receives packets constructed by the subordinate handlers, and shuttles it to the protocol handler

Parameters:

subHandler - a SubHandler value of the handler the data came from, unused

p - an Object value, a Packet

Throws:

org.xml.sax.SAXException - if the data is invalid (i.e. null)

stopHandler

public final java.lang.Object stopHandler(java.lang.String name)
                                   throws org.xml.sax.SAXException

stopHandler returns null since there is no 'data' returned which was not already sent via the 'receive' method.

Returns:

an Object value, unused.

Throws:

org.xml.sax.SAXException - if an error occurs