org.apache.velocity.runtime.parser.node

Class ASTElseIfStatement

java.lang.Object

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

org.apache.velocity.runtime.parser.node.ASTElseIfStatement

All 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 1.9.8.1 2004/03/03 23:22:58 geirm Exp $

Author:

Jason van Zyl, Geir Magnusson Jr.

Field Summary

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

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

Constructor Summary

Constructors

Constructor and Description
ASTElseIfStatement(int id)
ASTElseIfStatement(Parser p, int id)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	evaluate(InternalContextAdapter context) An ASTElseStatement is true if the expression it contains evaluates to true.
java.lang.Object	jjtAccept(ParserVisitor visitor, java.lang.Object data) Accept the visitor.
boolean	render(InternalContextAdapter context, java.io.Writer writer) renders the block

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTElseIfStatement

public ASTElseIfStatement(int id)

ASTElseIfStatement

public ASTElseIfStatement(Parser p,
                  int id)

Method Detail

jjtAccept

public java.lang.Object jjtAccept(ParserVisitor visitor,
                         java.lang.Object data)

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

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 class SimpleNode

Throws:

MethodInvocationException

render

public boolean render(InternalContextAdapter context,
             java.io.Writer writer)
               throws java.io.IOException,
                      MethodInvocationException,
                      ResourceNotFoundException,
                      ParseErrorException

renders the block

Specified by:

render in interface Node

Overrides:

render in class SimpleNode

Throws:

java.io.IOException

MethodInvocationException

ResourceNotFoundException

ParseErrorException