org.geotools.xml.impl
Class DelegatingHandler

Object
  DelegatingHandler

All Implemented Interfaces:

DocumentHandler, ElementHandler, Handler

public class DelegatingHandler
extends Object
implements DocumentHandler, ElementHandler

Method Summary

void	characters(char[] ch, int start, int length) Callback when characters of an element are encountered.
Handler	createChildHandler(QName name) Returns a handler for a component in the schema which is a child of this component.
void	endChildHandler(Handler child) Called when a child handler is finished, on the trailing edge of the child element.
void	endDocument()
void	endElement(QName name) Callback on trailing edge of element.
void	endPrefixMapping(String prefix) Called when a prefix mapping is de-registred with ParserHandler.
InstanceComponent	getComponent()
MutablePicoContainer	getContext()
XSDElementDeclaration	getElementDeclaration()
Handler	getParentHandler()
Node	getParseNode()
XSDSchemaContent	getSchemaContent()
void	setContext(MutablePicoContainer context)
void	startChildHandler(Handler child) Called when a child handler is started, on the leading edge of the child element.
void	startDocument() Returns the element handler for the root element of an instance document.
void	startElement(QName name, Attributes attributes) Callback on leading edge of an element.
void	startPrefixMapping(String prefix, String uri) Called when a prefix mapping is registred with ParserHandler.

Methods inherited from class Object

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

Method Detail

setContext

public void setContext(MutablePicoContainer context)

Specified by:

setContext in interface Handler

Parameters:

context - The context in which the the instance is to be parsed in.

getContext

public MutablePicoContainer getContext()

Specified by:

getContext in interface Handler

Returns:

The context or container in which the instance is to be parsed in.

getElementDeclaration

public XSDElementDeclaration getElementDeclaration()

Specified by:

getElementDeclaration in interface ElementHandler

Returns:

The declaration of hte element being handled.

getParentHandler

public Handler getParentHandler()

Specified by:

getParentHandler in interface Handler

Returns:

The parent handler.

See Also:

Handler#getChildHandler(QName, SchemaBuilder)

createChildHandler

public Handler createChildHandler(QName name)

Description copied from interface: Handler

Returns a handler for a component in the schema which is a child of this component.

This method will return null in two situations:

1. The schema component being handled does not support children (for example, an attribute).
2. A child with the specified qName could not be found.

Specified by:

createChildHandler in interface Handler

Parameters:

name - The qualified name of the schema component.

Returns:

A new handler, or null if one cannot be created.

startChildHandler

public void startChildHandler(Handler child)

Description copied from interface: Handler

Called when a child handler is started, on the leading edge of the child element.

Specified by:

startChildHandler in interface Handler

Parameters:

child - The executing child handler.

endChildHandler

public void endChildHandler(Handler child)

Description copied from interface: Handler

Called when a child handler is finished, on the trailing edge of the child element.

Specified by:

endChildHandler in interface Handler

Parameters:

child - The executing child handler.

getComponent

public InstanceComponent getComponent()

Specified by:

getComponent in interface Handler

Returns:

The instance of the schema content that is currently being handled.

getParseNode

public Node getParseNode()

Specified by:

getParseNode in interface Handler

Returns:

The parse tree for the handler.

getSchemaContent

public XSDSchemaContent getSchemaContent()

Specified by:

getSchemaContent in interface Handler

Returns:

The entity of the schema that corresponds to the handler.

startDocument

public void startDocument()
                   throws SAXException

Description copied from interface: DocumentHandler

Returns the element handler for the root element of an instance document.

Specified by:

startDocument in interface DocumentHandler

Throws:

SAXException

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface DocumentHandler

Throws:

SAXException

startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri)
                        throws SAXException

Description copied from interface: Handler

Called when a prefix mapping is registred with ParserHandler.

Specified by:

startPrefixMapping in interface Handler

Parameters:

prefix - Namespace prefix.

uri - Namespace uri.

Throws:

SAXException

startElement

public void startElement(QName name,
                         Attributes attributes)
                  throws SAXException

Description copied from interface: ElementHandler

Callback on leading edge of an element.

Specified by:

startElement in interface ElementHandler

Parameters:

name - 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

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

Description copied from interface: ElementHandler

Callback when characters of an element are encountered.

Specified by:

characters in interface ElementHandler

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

public void endElement(QName name)
                throws SAXException

Description copied from interface: ElementHandler

Callback on trailing edge of element.

Specified by:

endElement in interface ElementHandler

Parameters:

name - 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)

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Description copied from interface: Handler

Called when a prefix mapping is de-registred with ParserHandler.

Specified by:

endPrefixMapping in interface Handler

Parameters:

prefix - Namespace prefix.

Throws:

SAXException