org.xerial.util.bean
Interface TreeVisitor

All Known Implementing Classes:

BeanBindingProcess

public interface TreeVisitor

A depth-first visitor model for tree structured data, including XML, JSON, ANTLR Parse Tree, etc.

Author:

leo

Method Summary

void	finish(TreeWalker walker) When the tree visit has finished
void	init(TreeWalker walker) Initialize the visitor here
void	leaveNode(String nodeName, String nodeValue, TreeWalker walker) When leaving a node
void	visitNode(String nodeName, TreeWalker walker) When found a node

Method Detail

init

void init(TreeWalker walker)
          throws XerialException

Initialize the visitor here

Throws:

XerialException

visitNode

void visitNode(String nodeName,
               TreeWalker walker)
               throws XerialException

When found a node

Parameters:

nodeName - the found node name

Throws:

XerialException

leaveNode

void leaveNode(String nodeName,
               String nodeValue,
               TreeWalker walker)
               throws XerialException

When leaving a node

Parameters:

nodeName - the node name to leave

nodeValue -

Throws:

XerialException

finish

void finish(TreeWalker walker)
            throws XerialException

When the tree visit has finished

Throws:

XerialException