org.jfree.data.xml
Class ValueHandler

java.lang.Object
  |
  +--org.xml.sax.helpers.DefaultHandler
        |
        +--org.jfree.data.xml.ValueHandler
All Implemented Interfaces:
org.xml.sax.ContentHandler, DatasetTags, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class ValueHandler
extends org.xml.sax.helpers.DefaultHandler
implements DatasetTags

A handler for reading a 'Value' element.

Author:
David Gilbert

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
ValueHandler(RootHandler rootHandler, ItemHandler itemHandler)
          Creates a new value handler.
 
Method Summary
 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(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
          The end of an element.
protected  java.lang.String getCurrentText()
          Returns the current text of the textbuffer.
 void startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.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(java.lang.String namespaceURI,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes atts)
                  throws org.xml.sax.SAXException
The start of an element.

Specified by:
startElement in interface org.xml.sax.ContentHandler
Overrides:
startElement in class org.xml.sax.helpers.DefaultHandler
Parameters:
namespaceURI - the namespace.
localName - the element name.
qName - the element name.
atts - the attributes.
Throws:
org.xml.sax.SAXException - for errors.

endElement

public void endElement(java.lang.String namespaceURI,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException
The end of an element.

Specified by:
endElement in interface org.xml.sax.ContentHandler
Overrides:
endElement in class org.xml.sax.helpers.DefaultHandler
Parameters:
namespaceURI - the namespace.
localName - the element name.
qName - the element name.
Throws:
org.xml.sax.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 org.xml.sax.ContentHandler
Overrides:
characters in class org.xml.sax.helpers.DefaultHandler
Parameters:
ch - character buffer.
start - the start index.
length - the length of the valid character data.

getCurrentText

protected java.lang.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.