Class TextOptimizer.TextCatVisitor

java.lang.Object

org.apache.jasper.compiler.Node.Visitor

org.apache.jasper.compiler.TextOptimizer.TextCatVisitor

Enclosing class:

TextOptimizer

static class TextOptimizer.TextCatVisitor
extends Node.Visitor

A visitor to concatenate contiguous template texts.

Field Summary

Fields

Modifier and Type	Field	Description
private final String	emptyText
private Node.TemplateText	firstTextNode
private boolean	prePass
private StringBuilder	textBuffer
private int	textNodeCount
private boolean	trim

Constructor Summary

Constructors

Constructor	Description
TextCatVisitor(boolean prePass, boolean trim)

Method Summary

Modifier and Type	Method	Description
private void	collectText()	This method breaks concatenation mode.
void	doVisit(Node n)	This method provides a place to put actions that are common to all nodes.
void	visit(Node.AttributeDirective n)
void	visit(Node.PageDirective n)
void	visit(Node.TagDirective n)
void	visit(Node.TaglibDirective n)
void	visit(Node.TemplateText n)
void	visit(Node.VariableDirective n)
void	visitBody(Node n)	Visit the body of a node, using the current visitor

Methods inherited from class Node.Visitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class Object

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

Field Details

textNodeCount

private int textNodeCount

firstTextNode

private Node.TemplateText firstTextNode

textBuffer

private StringBuilder textBuffer

emptyText

private final String emptyText

prePass

private boolean prePass

trim

private boolean trim

Constructor Details

TextCatVisitor

public TextCatVisitor(boolean prePass,
 boolean trim)

Method Details

doVisit

public void doVisit(Node n)
             throws JasperException

Description copied from class: Node.Visitor

This method provides a place to put actions that are common to all nodes. Override this in the child visitor class if need to.

Overrides:

doVisit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.PageDirective n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.TagDirective n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.TaglibDirective n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.AttributeDirective n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.VariableDirective n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

visitBody

public void visitBody(Node n)
               throws JasperException

Description copied from class: Node.Visitor

Visit the body of a node, using the current visitor

Overrides:

visitBody in class Node.Visitor

Throws:

JasperException

visit

public void visit(Node.TemplateText n)
           throws JasperException

Overrides:

visit in class Node.Visitor

Throws:

JasperException

collectText

private void collectText()

This method breaks concatenation mode. As a side effect it copies the concatenated string to the first text node