Class PieDatasetHandler

  • All Implemented Interfaces:
    DatasetTags, org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

    public class PieDatasetHandler
    extends RootHandler
    implements DatasetTags
    A SAX handler for reading a PieDataset from an XML file.
    • Constructor Summary

      Constructors 
      Constructor Description
      PieDatasetHandler()
      Default constructor.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addItem​(java.lang.Comparable key, java.lang.Number value)
      Adds an item to the dataset under construction.
      void endElement​(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
      The end of an element.
      PieDataset getDataset()
      Returns the dataset.
      void startElement​(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)
      Starts 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

      • PieDatasetHandler

        public PieDatasetHandler()
        Default constructor.
    • Method Detail

      • getDataset

        public PieDataset getDataset()
        Returns the dataset.
        Returns:
        The dataset.
      • addItem

        public void addItem​(java.lang.Comparable key,
                            java.lang.Number value)
        Adds an item to the dataset under construction.
        Parameters:
        key - the key.
        value - the value.
      • 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
        Starts 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 element 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.