org.apache.velocity.runtime.parser.node

Class ASTElseIfStatement

Implemented Interfaces:
Node

public class ASTElseIfStatement
extends SimpleNode

This class is responsible for handling the ElseIf VTL control statement. Please look at the Parser.jjt file which is what controls the generation of this class.

Version:
$Id: ASTElseIfStatement.java,v 1.9 2001/10/22 03:53:24 jon Exp $

Authors:
Jason van Zyl
Geir Magnusson Jr.

Nested Class Summary

Field Summary

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

children, first, last, id, info, invalid, parent, parser, rsvc, state

Constructor Summary

ASTElseIfStatement(int id)
ASTElseIfStatement(Parser p, int id)

Method Summary

boolean
evaluate(InternalContextAdapter context)
An ASTElseStatement is true if the expression it contains evaluates to true.
Object
jjtAccept(ParserVisitor visitor, Object data)
Accept the visitor.
boolean
render(InternalContextAdapter context, Writer writer)
renders the block

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

childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getType, init, isInvalid, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, render, setFirstToken, setInfo, setInvalid, toString, value

Constructor Details

ASTElseIfStatement

public ASTElseIfStatement(int id)


ASTElseIfStatement

public ASTElseIfStatement(Parser p,
                          int id)

Method Details

evaluate

public boolean evaluate(InternalContextAdapter context)
            throws MethodInvocationException
An ASTElseStatement is true if the expression it contains evaluates to true. Expressions know how to evaluate themselves, so we do that here and return the value back to ASTIfStatement where this node was originally asked to evaluate itself.
Specified by:
evaluate in interface Node
Overrides:
evaluate in interface SimpleNode


jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)
Accept the visitor. *
Specified by:
jjtAccept in interface Node
Overrides:
jjtAccept in interface SimpleNode


render

public boolean render(InternalContextAdapter context,
                      Writer writer)
            throws IOException,
                   MethodInvocationException,
                   ResourceNotFoundException,
                   ParseErrorException
renders the block
Specified by:
render in interface Node
Overrides:
render in interface SimpleNode


Copyright © 2003 Apache Software Foundation. All Rights Reserved.