net.sf.stax
Class DoubleElementHandler

java.lang.Object
  extended by net.sf.stax.StAXContentHandlerBase
      extended by net.sf.stax.DoubleElementHandler
All Implemented Interfaces:
StAXContentHandler

public final class DoubleElementHandler
extends StAXContentHandlerBase

StAX handler for any element which just contains a string representation of a double. The double value, returned by the endTree(StAXContext) method, is available to a parent handler via its endElement(String, String, String, Object, StAXContext) method.

Ex.

 class MyHandler
     extends StAXContentHandlerBase
 {
     private Double doubleValue;
     private DoubleElementHandler doubleHandler = new DoubleElementHandler();

     public void startElement(..., StAXDelegationContext dctx)
     {
         // ...
         dctx.delegate(doubleHandler);
     }

     public void endElement(..., Object result, ...)
     {
         this.doubleValue = (Double) result;
     }
 }
 

Version:
$Revision: 1.7 $ $Date: 2006/01/02 20:37:34 $
Author:
Matthew Pocock, Michael Heuer
See Also:
StAXContentHandlers.getDoubleElementHandler()

Field Summary
 
Fields inherited from interface net.sf.stax.StAXContentHandler
IGNORE
 
Constructor Summary
DoubleElementHandler()
           
 
Method Summary
 void characters(char[] ch, int start, int length, StAXContext ctx)
          Receive notification of character data.
 void endElement(String nsURI, String localName, String qName, Object result, StAXContext ctx)
          Receive notification of the end of an element.
 Object endTree(StAXContext ctx)
          Receive notification of the end of a sub-tree of a document.
 void startElement(String nsURI, String localName, String qName, Attributes attrs, StAXDelegationContext dctx)
          Receive notification of the beginning of an element.
 
Methods inherited from class net.sf.stax.StAXContentHandlerBase
endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startPrefixMapping, startTree
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DoubleElementHandler

public DoubleElementHandler()
Method Detail

startElement

public void startElement(String nsURI,
                         String localName,
                         String qName,
                         Attributes attrs,
                         StAXDelegationContext dctx)
                  throws SAXException
Description copied from interface: StAXContentHandler
Receive notification of the beginning of an element.

Specified by:
startElement in interface StAXContentHandler
Overrides:
startElement in class StAXContentHandlerBase
Parameters:
nsURI - namespace URI
localName - local name (without prefix)
qName - qualified XML name (with prefix)
attrs - attributes attached to the element
dctx - StAX delegation context
Throws:
SAXException - any SAX exception, possibly wrapping another exception
See Also:
StAXContentHandler

endElement

public void endElement(String nsURI,
                       String localName,
                       String qName,
                       Object result,
                       StAXContext ctx)
                throws SAXException
Description copied from interface: StAXContentHandler
Receive notification of the end of an element.

Specified by:
endElement in interface StAXContentHandler
Overrides:
endElement in class StAXContentHandlerBase
Parameters:
nsURI - namespace URI
localName - local name (without prefix)
qName - qualified XML name (with prefix)
result - result
ctx - StAX context
Throws:
SAXException - any SAX exception, possibly wrapping another exception
See Also:
StAXContentHandler

characters

public void characters(char[] ch,
                       int start,
                       int length,
                       StAXContext ctx)
                throws SAXException
Description copied from interface: StAXContentHandler
Receive notification of character data.

Specified by:
characters in interface StAXContentHandler
Overrides:
characters in class StAXContentHandlerBase
Parameters:
ch - characters from the XML document
start - start position in the array
length - number of characters to read from the array
ctx - StAX context
Throws:
SAXException - any SAX exception, possibly wrapping another exception
See Also:
StAXContentHandler

endTree

public Object endTree(StAXContext ctx)
               throws SAXException
Description copied from interface: StAXContentHandler
Receive notification of the end of a sub-tree of a document.

Specified by:
endTree in interface StAXContentHandler
Overrides:
endTree in class StAXContentHandlerBase
Parameters:
ctx - StAX context
Returns:
return value
Throws:
SAXException - any SAX exception, possibly wrapping another exception
See Also:
StAXContentHandler


Copyright (c) 2001-2006 held jointly by the individual authors. Licensed under the GNU Lesser General Public License (LGPL).