com.inductiveautomation.rm.archiver

Class RXElementParser

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.inductiveautomation.rm.archiver.RXElementParser

All Implemented Interfaces:

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

public class RXElementParser
extends org.xml.sax.helpers.DefaultHandler
implements org.xml.sax.ext.LexicalHandler

A class to load an RXElement from aSource using SAX.

This loader really loads "XML Data", not "XML Documents", making sure only childless elements can have value text (eg, no "HellothereWorld")

Constructor Summary

Constructors

Constructor and Description
RXElementParser()

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length) Characters read callback.
void	comment(char[] ch, int start, int length)
void	endCDATA()
void	endDocument() End document callback.
void	endDTD()
void	endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName) End element callback.
void	endEntity(java.lang.String aName)
void	error(org.xml.sax.SAXParseException e) Error encountered callback.
void	fatalError(org.xml.sax.SAXParseException e) Fatal error encountered callback.
RXElement	parse(java.lang.Object aSource) Kicks off xml parsing from given source and builds on this parser's element.
org.xml.sax.InputSource	resolveEntity(java.lang.String publicId, java.lang.String systemId) Resolve entity callback.
void	startCDATA()
void	startDocument() Start document callback.
void	startDTD(java.lang.String aName, java.lang.String publicId, java.lang.String systemId)
void	startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attr) Start element callback.
void	startEntity(java.lang.String aName)
void	warning(org.xml.sax.SAXParseException e) Warning encountered callback.

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

endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, setDocumentLocator, skippedEntity, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

RXElementParser

public RXElementParser()

Method Detail

parse

public RXElement parse(java.lang.Object aSource)
                throws java.io.IOException,
                       org.xml.sax.SAXException

Kicks off xml parsing from given source and builds on this parser's element.

Throws:

java.io.IOException

org.xml.sax.SAXException

startDocument

public void startDocument()
                   throws org.xml.sax.SAXException

Start document callback.

Specified by:

startDocument in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

endDocument

public void endDocument()
                 throws org.xml.sax.SAXException

End document callback.

Specified by:

endDocument in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

startElement

public void startElement(java.lang.String namespaceURI,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attr)
                  throws org.xml.sax.SAXException

Start element callback.

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Characters read callback.

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

endElement

public void endElement(java.lang.String namespaceURI,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

End element callback.

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

warning

public void warning(org.xml.sax.SAXParseException e)
             throws org.xml.sax.SAXException

Warning encountered callback.

Specified by:

warning in interface org.xml.sax.ErrorHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

error

public void error(org.xml.sax.SAXParseException e)
           throws org.xml.sax.SAXException

Error encountered callback.

Specified by:

error in interface org.xml.sax.ErrorHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

fatalError

public void fatalError(org.xml.sax.SAXParseException e)
                throws org.xml.sax.SAXException

Fatal error encountered callback.

Specified by:

fatalError in interface org.xml.sax.ErrorHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

resolveEntity

public org.xml.sax.InputSource resolveEntity(java.lang.String publicId,
                                             java.lang.String systemId)

Resolve entity callback.

Specified by:

resolveEntity in interface org.xml.sax.EntityResolver

Overrides:

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

comment

public void comment(char[] ch,
                    int start,
                    int length)

Specified by:

comment in interface org.xml.sax.ext.LexicalHandler

endCDATA

public void endCDATA()

Specified by:

endCDATA in interface org.xml.sax.ext.LexicalHandler

endDTD

public void endDTD()

Specified by:

endDTD in interface org.xml.sax.ext.LexicalHandler

endEntity

public void endEntity(java.lang.String aName)

Specified by:

endEntity in interface org.xml.sax.ext.LexicalHandler

startCDATA

public void startCDATA()

Specified by:

startCDATA in interface org.xml.sax.ext.LexicalHandler

startDTD

public void startDTD(java.lang.String aName,
                     java.lang.String publicId,
                     java.lang.String systemId)

Specified by:

startDTD in interface org.xml.sax.ext.LexicalHandler

startEntity

public void startEntity(java.lang.String aName)

Specified by:

startEntity in interface org.xml.sax.ext.LexicalHandler