Package org.jfree.data.xml

Class RootHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.jfree.data.xml.RootHandler

All Implemented Interfaces:

DatasetTags, ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Direct Known Subclasses:

CategoryDatasetHandler, PieDatasetHandler

public class RootHandler
extends DefaultHandler
implements DatasetTags

A SAX handler that delegates work to sub-handlers.

Field Summary

Fields inherited from interface org.jfree.data.xml.DatasetTags

CATEGORYDATASET_TAG, ITEM_TAG, KEY_TAG, PIEDATASET_TAG, SERIES_TAG, VALUE_TAG

Constructor Summary

Constructors

Constructor	Description
RootHandler()	Creates a new handler.

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)	Receives some (or all) of the text in the current element.
DefaultHandler	getCurrentHandler()	Returns the handler at the top of the stack.
Stack	getSubHandlers()	Returns the stack of sub handlers.
DefaultHandler	popSubHandler()	Pops a sub-handler from the stack.
void	pushSubHandler(DefaultHandler subhandler)	Pushes a sub-handler onto the stack.

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

endDocument, endElement, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startElement, 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

Constructor Details

RootHandler

public RootHandler()

Creates a new handler.

Method Details

getSubHandlers

public Stack getSubHandlers()

Returns the stack of sub handlers.

Returns:

The sub-handler stack.

characters

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

Receives some (or all) of the text in the current element.

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

ch - character buffer.

start - the start index.

length - the length of the valid character data.

Throws:

SAXException - for errors.

getCurrentHandler

public DefaultHandler getCurrentHandler()

Returns the handler at the top of the stack.

Returns:

The handler.

pushSubHandler

public void pushSubHandler(DefaultHandler subhandler)

Pushes a sub-handler onto the stack.

Parameters:

subhandler - the sub-handler.

popSubHandler

public DefaultHandler popSubHandler()

Pops a sub-handler from the stack.

Returns:

The sub-handler.