com.icl.saxon.handlers
Class ElementHandler

java.lang.Object
  com.icl.saxon.handlers.ElementHandler

All Implemented Interfaces:

NodeHandler

Direct Known Subclasses:

ElementHandlerBase

public abstract class ElementHandler
extends java.lang.Object
implements NodeHandler

ElementHandler is a NodeHandler used to process elements. It is identical to it parent class, NodeHandler, and exists only for type-checking on interfaces.

Version:

7 April 1999: generalisation of old ElementHandler

Author:

Michael H. Kay

Constructor Summary

ElementHandler()

Method Summary

boolean	needsStackFrame() Optimization hint to allow a handler to declare that it needs no stack space for local variables and parameters
abstract void	start(NodeInfo node, Context context) Define action to be taken at the start of a node. This method must be implemented in a subclass.

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementHandler

public ElementHandler()

Method Detail

start

public abstract void start(NodeInfo node,
                           Context context)
                    throws javax.xml.transform.TransformerException

Define action to be taken at the start of a node.
This method must be implemented in a subclass.

Specified by:

start in interface NodeHandler

Parameters:

node - The NodeInfo object for the current node.

Throws:

SAXException - Aborts the parse

javax.xml.transform.TransformerException

See Also:

NodeInfo

needsStackFrame

public boolean needsStackFrame()

Description copied from interface: NodeHandler

Optimization hint to allow a handler to declare that it needs no stack space for local variables and parameters

Specified by:

needsStackFrame in interface NodeHandler