org.geotools.xsd.impl

Interface ElementHandler

All Superinterfaces:

Handler

All Known Implementing Classes:

DelegatingHandler, ElementHandlerImpl

public interface ElementHandler
extends Handler

Classes implementing this interface serve has handlers for elements in an instance document as it is parsed. The element handler interface is a subset of the ContentHandler interface.

The methods startElement, characters, and endElement are called in sequence as they are for normal sax content handlers.

An element handler corresponds to a specific element in a schema. A handler must return a child handler for each valid child element of its corresponding element.

Author:

Justin Deoliveira,Refractions Research Inc.,jdeolive@refractions.net

See Also:

ContentHandler

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length) Callback when characters of an element are encountered.
void	endElement(QName qName) Callback on trailing edge of element.
XSDElementDeclaration	getElementDeclaration()
void	startElement(QName qName, Attributes attributes) Callback on leading edge of an element.

Methods inherited from interface Handler

createChildHandler, endChildHandler, endPrefixMapping, getComponent, getContext, getParentHandler, getParseNode, getSchemaContent, setContext, startChildHandler, startPrefixMapping

Method Detail

startElement

void startElement(QName qName,
                  Attributes attributes)
           throws SAXException

Callback on leading edge of an element.

Parameters:

qName - The qualified name of the element being handled.

attributes - The attributes of hte elmenent being handled.

Throws:

SAXException - Any xml errors that occur.

See Also:

ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

characters

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

Callback when characters of an element are encountered.

Parameters:

ch - Array containing characters.

start - The starting index of the characters.

length - The number of characters.

Throws:

SAXException - Any xml errors.

See Also:

ContentHandler.characters(char[], int, int)

endElement

void endElement(QName qName)
         throws SAXException

Callback on trailing edge of element.

Parameters:

qName - The qualified name of the element being handled.

Throws:

SAXException - Any xml errors.

See Also:

ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)

getElementDeclaration

XSDElementDeclaration getElementDeclaration()

Returns:

The declaration of hte element being handled.