Class ELNode.Visitor

java.lang.Object

org.apache.jasper.compiler.ELNode.Visitor

Enclosing class:

ELNode

public static class ELNode.Visitor
extends Object

A visitor class for traversing ELNodes.

Constructor Summary

Constructors

Constructor	Description
Visitor()	Creates a new Visitor instance.

Method Summary

Modifier and Type	Method	Description
void	visit(ELNode.ELText n)	Visits an ELText node.
void	visit(ELNode.Function n)	Visits a Function node.
void	visit(ELNode.Root n)	Visits a Root node by traversing its contained expression.
void	visit(ELNode.Text n)	Visits a Text node.

Methods inherited from class Object

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

Constructor Details

Visitor

public Visitor()

Creates a new Visitor instance.

Method Details

visit

public void visit(ELNode.Root n)
           throws JasperException

Visits a Root node by traversing its contained expression.

Parameters:

n - the root node

Throws:

JasperException - if an error occurs during visitation

visit

public void visit(ELNode.Function n)
           throws JasperException

Visits a Function node. No-op by default; override to handle functions.

Parameters:

n - the function node

Throws:

JasperException - if an error occurs during visitation

visit

public void visit(ELNode.Text n)
           throws JasperException

Visits a Text node. No-op by default; override to handle text.

Parameters:

n - the text node

Throws:

JasperException - if an error occurs during visitation

visit

public void visit(ELNode.ELText n)
           throws JasperException

Visits an ELText node. No-op by default; override to handle EL text.

Parameters:

n - the EL text node

Throws:

JasperException - if an error occurs during visitation