Class ELFunctionMapper.ELFunctionVisitor

java.lang.Object

org.apache.jasper.compiler.Node.Visitor

org.apache.jasper.compiler.ELFunctionMapper.ELFunctionVisitor

Enclosing class:

ELFunctionMapper

class ELFunctionMapper.ELFunctionVisitor
extends Node.Visitor

A visitor for the page. The places where EL is allowed are scanned for functions, and if found functions mappers are created.

Field Summary

Fields

Modifier and Type	Field	Description
private HashMap<String,String>	gMap	Use a global name map to facilitate reuse of function maps.

Constructor Summary

Constructors

Constructor	Description
ELFunctionVisitor()

Method Summary

Modifier and Type	Method	Description
private void	doMap(ELNode.Nodes el)	Creates function mappers, if needed, from ELNodes
private void	doMap(Node.JspAttribute attr)
private String	getMapName()
private String	matchMap(ArrayList<ELNode.Function> functions)	Find the name of the function mapper for an EL.
void	visit(Node.CustomTag n)
void	visit(Node.ELExpression n)
void	visit(Node.ForwardAction n)
void	visit(Node.IncludeAction n)
void	visit(Node.JspElement n)
void	visit(Node.ParamAction n)
void	visit(Node.PlugIn n)
void	visit(Node.SetProperty n)
void	visit(Node.UninterpretedTag n)
void	visit(Node.UseBean n)

Methods inherited from class Node.Visitor

doVisit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitBody

Methods inherited from class Object

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

Field Details

gMap

private HashMap<String,String> gMap

Use a global name map to facilitate reuse of function maps. The key used is prefix:function:uri.

Constructor Details

ELFunctionVisitor

ELFunctionVisitor()

Method Details

visit

public void visit(Node.ParamAction n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.IncludeAction n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.ForwardAction n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.SetProperty n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.UseBean n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.PlugIn n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.JspElement n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.UninterpretedTag n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.CustomTag n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.ELExpression n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

doMap

private void doMap(Node.JspAttribute attr)
            throws JasperException

Throws:

JasperException

doMap

private void doMap(ELNode.Nodes el)
            throws JasperException

Creates function mappers, if needed, from ELNodes

Throws:

JasperException

matchMap

private String matchMap(ArrayList<ELNode.Function> functions)

Find the name of the function mapper for an EL. Reuse a previously generated one if possible.

Parameters:

functions - An ArrayList of ELNode.Function instances that represents the functions in an EL

Returns:

A previous generated function mapper name that can be used by this EL; null if none found.

getMapName

private String getMapName()