org.jfree.data.xml

Class ItemHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.jfree.data.xml.ItemHandler

All Implemented Interfaces:

DatasetTags, ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class ItemHandler
extends DefaultHandler
implements DatasetTags

A handler for reading key-value items.

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 and Description
ItemHandler(RootHandler root, DefaultHandler parent) Creates a new item handler.

Method Summary

Modifier and Type	Method and Description
void	endElement(String namespaceURI, String localName, String qName) The end of an element.
Comparable	getKey() Returns the key that has been read by the handler, or null.
Number	getValue() Returns the key that has been read by the handler, or null.
void	setKey(Comparable key) Sets the key.
void	setValue(Number value) Sets the value.
void	startElement(String namespaceURI, String localName, String qName, Attributes atts) The start of an element.

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemHandler

public ItemHandler(RootHandler root,
                   DefaultHandler parent)

Creates a new item handler.

Parameters:

root - the root handler.

parent - the parent handler.

Method Detail

getKey

public Comparable getKey()

Returns the key that has been read by the handler, or null.

Returns:

The key.

setKey

public void setKey(Comparable key)

Sets the key.

Parameters:

key - the key.

getValue

public Number getValue()

Returns the key that has been read by the handler, or null.

Returns:

The value.

setValue

public void setValue(Number value)

Sets the value.

Parameters:

value - the value.

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)

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.