Module org.jfree.chart

Package org.jfree.data.xml

Class ValueHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.jfree.data.xml.ValueHandler

All Implemented Interfaces:

DatasetTags, ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class ValueHandler
extends DefaultHandler
implements DatasetTags

A handler for reading a 'Value' element.

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
ValueHandler(RootHandler rootHandler, ItemHandler itemHandler)	Creates a new value 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.
protected void	clearCurrentText()	Removes all text from the textbuffer at the end of a CDATA section.
void	endElement(String namespaceURI, String localName, String qName)	The end of an element.
protected String	getCurrentText()	Returns the current text of the textbuffer.
void	startElement(String namespaceURI, String localName, String qName, Attributes atts)	The start of an element.

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

Constructor Detail

ValueHandler

public ValueHandler(RootHandler rootHandler,
                    ItemHandler itemHandler)

Creates a new value handler.

Parameters:

rootHandler - the root handler.

itemHandler - the item handler.

Method Detail

startElement

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

The start of an element.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

namespaceURI - the namespace.

localName - the element name.

qName - the element name.

atts - the attributes.

Throws:

SAXException - for errors.

endElement

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

The end of an element.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

namespaceURI - the namespace.

localName - the element name.

qName - the element name.

Throws:

SAXException - for errors.

characters

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

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.

getCurrentText

protected String getCurrentText()

Returns the current text of the textbuffer.

Returns:

The current text.

clearCurrentText

protected void clearCurrentText()

Removes all text from the textbuffer at the end of a CDATA section.