org.apache.velocity.runtime.parser.node
Class ASTDirective

java.lang.Object
  org.apache.velocity.runtime.parser.node.SimpleNode
      org.apache.velocity.runtime.parser.node.ASTDirective

All Implemented Interfaces:

Node

public class ASTDirective
extends SimpleNode

This class is responsible for handling the pluggable directives in VTL. For example : #foreach() Please look at the Parser.jjt file which is what controls the generation of this class.

Version:

$Id: ASTDirective.java 124657 2005-01-08 15:41:02Z wglass $

Author:

Jason van Zyl, Geir Magnusson Jr., Kasper Nielsen

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

ASTDirective(int id)

ASTDirective(Parser p, int id)

Method Summary

String	getDirectiveName() Gets the name of this directive.
Object	init(InternalContextAdapter context, Object data)
Object	jjtAccept(ParserVisitor visitor, Object data) Accept the visitor.
boolean	render(InternalContextAdapter context, Writer writer)
void	setDirectiveName(String str) Sets the directive name.

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

childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getLocation, getLocation, getType, 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

ASTDirective

public ASTDirective(int id)

ASTDirective

public ASTDirective(Parser p,
                    int id)

Method Detail

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

init

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

Specified by:

init in interface Node

Overrides:

init in class SimpleNode

Throws:

Exception

render

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

Specified by:

render in interface Node

Overrides:

render in class SimpleNode

Throws:

IOException

MethodInvocationException

ResourceNotFoundException

ParseErrorException

setDirectiveName

public void setDirectiveName(String str)

Sets the directive name. Used by the parser. This keeps us from having to dig it out of the token stream and gives the parse the change to override.

getDirectiveName

public String getDirectiveName()

Gets the name of this directive.