Class XMLElementHandler

Object
XMLElementHandler
All Implemented Interfaces:
Serializable
Direct Known Subclasses:
ComplexElementHandler, DocumentHandler, IgnoreHandler, SimpleElementHandler

public abstract class XMLElementHandler extends Object implements Serializable
Intended to act as both a definition and a generic handler.
Author:
dzwiers, Refractions Research, Inc. http://www.refractions.net, $Author:$ (last modification)
See Also:
  • Field Details

    • logger

      protected static final Logger logger
      the logger -- should be used for debugging (assuming there are bugs LOL)
  • Constructor Details

    • XMLElementHandler

      protected XMLElementHandler()
      Creates a new XSIElementHandler object. Intended to limit creation to the sub-packages
  • Method Details

    • characters

      public void characters(String text) throws SAXException
      This method throws a SAXNotSupportedException if it is called and not overwritten. When overridding this method, you should be careful to understand that it may be called more than once per element. Therefore it would be advisable to log the text and handle the text's interpretation at a later time (
      Throws:
      SAXException
    • endElement

      public abstract void endElement(URI namespaceURI, String localName, Map<String,Object> hints) throws SAXException, OperationNotSupportedException
      handles SAX end Element events. This matches the end of the element declaration in the document ... and responds to the event generated by the SAX parser. This is an opportunity to complete some post-processing.
      Throws:
      SAXException
      OperationNotSupportedException
      See Also:
      • SchemaContentHandler#endElement
    • startElement

      public abstract void startElement(URI namespaceURI, String localName, Attributes attr) throws SAXException
      handles SAX start Element events. This matches the start of the element declaration in the document ... and responds to the event generated by the SAX parser. This is an opportunity to complete some pre-processing.
      Throws:
      SAXException
      See Also:
      • SchemaContentHandler#startElement
    • getHandler

      public abstract XMLElementHandler getHandler(URI namespaceURI, String localName, Map<String,Object> hints) throws SAXException
      This will find an appropriate XMLElementHandler for the specified child if appropriate. This method may return or throw an exception, depending on the severity, if an error occurs. This method should be used to complete a SAX parse of a document for which the Schema is known, and parsed.
      Returns:
      XMLElementHandler, or null
      Throws:
      SAXException
    • getValue

      public abstract Object getValue() throws SAXException
      This method will get the value of the element depending on it's type.
      Returns:
      Object (may be null)
      Throws:
      SAXException
      See Also:
      • Type#getValue
    • getName

      public abstract String getName()
      This returns the name of the element being represented by this handler. This name matches the name specified in the Schema.
      Returns:
      The Name (may not be null)
    • getElement

      public abstract Element getElement()
      This returns the Element specified.
      Returns:
      Element (may not be null)
    • setLogLevel

      public static void setLogLevel(Level l)
      Sets the logger level for all XMLElementHandlers.