org.oreodata.xml
Class HierarchicalHandler

java.lang.Object
  |
  +--org.xml.sax.helpers.DefaultHandler
        |
        +--org.oreodata.xml.HierarchicalHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

Direct Known Subclasses:

RootOreoSAXHandler, XMLDataLogHandler, XMLFieldHandler, XMLFieldHandler, XMLRecordHandler, XMLSnapshotHandler, XMLTransactionHandler

public class HierarchicalHandler

extends org.xml.sax.helpers.DefaultHandler

A base class for SAX handlers that potentially have a parent. A child handler can do some work under some circumstances and then revert control back to the parent.

Author:

Jonathan Revusky

Field Summary

protected HierarchicalHandler	parentHandler This is so that a child handler can revert control to the parent.
protected org.xml.sax.XMLReader	parser The SAX parser object that we are getting events from.

Constructor Summary

HierarchicalHandler(HierarchicalHandler parentHandler)
Use this constructor to create a child handler

HierarchicalHandler(org.xml.sax.XMLReader parser)
Use this constructor when you are creating the root handler (i.e.

Method Summary

protected org.xml.sax.Locator	getDocumentLocator()
protected java.util.Date	parseTimeStampString(java.lang.String ts)
protected void	rethrowAsSAX(java.lang.Exception e)
void	setDocumentLocator(org.xml.sax.Locator locator)

Methods inherited from class org.xml.sax.helpers.DefaultHandler

characters, endDocument, endElement, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startElement, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

parser

protected org.xml.sax.XMLReader parser

The SAX parser object that we are getting events from.

parentHandler

protected HierarchicalHandler parentHandler

This is so that a child handler can revert control to the parent.

Constructor Detail

HierarchicalHandler

public HierarchicalHandler(org.xml.sax.XMLReader parser)

Use this constructor when you are creating the root handler (i.e. that has no parent)

HierarchicalHandler

public HierarchicalHandler(HierarchicalHandler parentHandler)

Use this constructor to create a child handler

Method Detail

parseTimeStampString

protected java.util.Date parseTimeStampString(java.lang.String ts)
                                       throws org.xml.sax.SAXException

org.xml.sax.SAXException

setDocumentLocator

public void setDocumentLocator(org.xml.sax.Locator locator)

Specified by:

setDocumentLocator in interface org.xml.sax.ContentHandler

Overrides:

setDocumentLocator in class org.xml.sax.helpers.DefaultHandler

getDocumentLocator

protected org.xml.sax.Locator getDocumentLocator()

Returns:

the Locator object, if there is one.

rethrowAsSAX

protected void rethrowAsSAX(java.lang.Exception e)
                     throws org.xml.sax.SAXException

org.xml.sax.SAXException