Package gov.nih.mipav.model.file

Class FileDataProvenance.ProvenanceXMLHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

gov.nih.mipav.model.file.FileDataProvenance.ProvenanceXMLHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Enclosing class:

FileDataProvenance

private class FileDataProvenance.ProvenanceXMLHandler
extends DefaultHandler

Handle events generated while parsing the XML file.

Field Summary

Fields

Modifier and Type	Field	Description
private ProvenanceEntry	currentEntry	the current provenance entry (to be inserted into the holder)
private String	currentKey	The current XML tag we are parsing.
private String	elementBuffer	The data for the current element being parsed.
private ProvenanceHolder	holder	the provenance holder to read information into

Constructor Summary

Constructors

Constructor	Description
ProvenanceXMLHandler(ProvenanceHolder ph)	Default constructor

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)	DOCUMENT ME!
void	endElement(String namespaceURI, String localName, String qName)	Parser calls this when the end tag of each element is reached.
void	startElement(String namespaceURI, String localName, String qName, Attributes atts)	Parser calls this for each element in a document.

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

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Field Details

currentKey

private String currentKey

The current XML tag we are parsing.

elementBuffer

private String elementBuffer

The data for the current element being parsed.

holder

private ProvenanceHolder holder

the provenance holder to read information into

currentEntry

private ProvenanceEntry currentEntry

the current provenance entry (to be inserted into the holder)

Constructor Details

ProvenanceXMLHandler

public ProvenanceXMLHandler(ProvenanceHolder ph)

Default constructor

Parameters:

ph - the provenance holder to read the information into

Method Details

characters

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

DOCUMENT ME!

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - char[]

start - int

length - int

endElement

public void endElement(String namespaceURI,
 String localName,
 String qName)
                throws SAXException

Parser calls this when the end tag of each element is reached. Data collected in the elementbuffer is generally saved to the image info.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

namespaceURI - the namespace (not used)

localName - the current tag we are parsing

qName - ? (not used)

Throws:

SAXException - if there is a problem with the parser

startElement

public void startElement(String namespaceURI,
 String localName,
 String qName,
 Attributes atts)
                  throws SAXException

Parser calls this for each element in a document.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

namespaceURI - the namespace (not used)

localName - the current tag we are parsing

qName - ? (not used)

atts - attributes for the current tag

Throws:

SAXException - if there is a problem with the parser