Package org.apache.velocity.runtime.parser.node

Class ASTExpression

java.lang.Object

org.apache.velocity.runtime.parser.node.SimpleNode

org.apache.velocity.runtime.parser.node.ASTExpression

All Implemented Interfaces:

Cloneable, Node, Renderable

public class ASTExpression
extends SimpleNode

Field Summary

Fields inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

children, column, first, firstImage, id, info, invalid, last, lastImage, line, literal, log, parent, parser, rsvc, state, template

Constructor Summary

Constructors

Constructor	Description
ASTExpression(int id)
ASTExpression(Parser p, int id)

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(InternalContextAdapter context)
Object	init(InternalContextAdapter context, Object data)
Object	jjtAccept(StandardParserVisitor visitor, Object data)
String	literal()
Object	value(InternalContextAdapter context)

Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

childrenAccept, cleanupParserAndTokens, clone, clone, dump, dump, dump, execute, getColumn, getFirstToken, getFirstTokenImage, getInfo, getLastToken, getLastTokenImage, getLine, getLocation, getParser, getRuntimeServices, getTemplate, getTemplateName, getType, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, render, saveTokenImages, setFirstToken, setInfo, setInvalid, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ASTExpression

public ASTExpression(int id)

Parameters:

id -

ASTExpression

public ASTExpression(Parser p,
 int id)

Parameters:

p -

id -

Method Details

jjtAccept

public Object jjtAccept(StandardParserVisitor visitor,
 Object data)

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

Parameters:

visitor -

data -

Returns:

The Node execution result object.

See Also:

• SimpleNode.jjtAccept(org.apache.velocity.runtime.parser.node.StandardParserVisitor, java.lang.Object)

evaluate

public boolean evaluate(InternalContextAdapter context)
                 throws MethodInvocationException

Specified by:

evaluate in interface Node

Overrides:

evaluate in class SimpleNode

Parameters:

context -

Returns:

The evaluation result.

Throws:

MethodInvocationException

See Also:

• SimpleNode.evaluate(org.apache.velocity.context.InternalContextAdapter)

value

public Object value(InternalContextAdapter context)
             throws MethodInvocationException

Specified by:

value in interface Node

Overrides:

value in class SimpleNode

Parameters:

context -

Returns:

The node value.

Throws:

MethodInvocationException

See Also:

• SimpleNode.value(org.apache.velocity.context.InternalContextAdapter)

init

public Object init(InternalContextAdapter context,
 Object data)
            throws TemplateInitException

Specified by:

init in interface Node

Overrides:

init in class SimpleNode

Parameters:

context -

data -

Returns:

The init result.

Throws:

TemplateInitException

See Also:

• Node.init(org.apache.velocity.context.InternalContextAdapter, java.lang.Object)

literal

public String literal()

Specified by:

literal in interface Node

Overrides:

literal in class SimpleNode

Returns:

A literal.

See Also:

• Node.literal()