org.apache.commons.jexl.parser
Class ASTIntegerLiteral

java.lang.Object
  extended by org.apache.commons.jexl.parser.SimpleNode
      extended by org.apache.commons.jexl.parser.ASTIntegerLiteral
All Implemented Interfaces:
Node

public class ASTIntegerLiteral
extends SimpleNode

represents an integer.

Version:
$Id: ASTIntegerLiteral.java 398202 2006-04-29 16:40:34Z dion $
Author:
Geir Magnusson Jr.

Field Summary
protected  java.lang.Integer val
          literal value.
 
Fields inherited from class org.apache.commons.jexl.parser.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTIntegerLiteral(int id)
          Create the node given an id.
ASTIntegerLiteral(Parser p, int id)
          Create a node with the given parser and id.
 
Method Summary
 java.lang.Object execute(java.lang.Object obj, JexlContext ctx)
          Part of reference resolution - wierd...
 java.lang.Object jjtAccept(ParserVisitor visitor, java.lang.Object data)
          Accept the visitor.
 java.lang.Object value(JexlContext jc)
          Gets the value of this node.
 
Methods inherited from class org.apache.commons.jexl.parser.SimpleNode
childrenAccept, dump, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

val

protected java.lang.Integer val
literal value.

Constructor Detail

ASTIntegerLiteral

public ASTIntegerLiteral(int id)
Create the node given an id.

Parameters:
id - node id.

ASTIntegerLiteral

public ASTIntegerLiteral(Parser p,
                         int id)
Create a node with the given parser and id.

Parameters:
p - a parser.
id - node 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
Parameters:
visitor - a ParserVisitor.
data - data to be passed along to the visitor.
Returns:
the value from visiting.
See Also:
ParserVisitor.visit(org.apache.commons.jexl.parser.SimpleNode, java.lang.Object)

execute

public java.lang.Object execute(java.lang.Object obj,
                                JexlContext ctx)
                         throws java.lang.Exception
Part of reference resolution - wierd... in JSTL EL you can have foo.2 which is equiv to foo[2] it appears...

Overrides:
execute in class SimpleNode
Parameters:
obj - the object to evaluate against.
ctx - the JexlContext.
Returns:
the resulting value.
Throws:
java.lang.Exception - on any error.
See Also:
ASTArrayAccess.evaluateExpr(Object, Object)

value

public java.lang.Object value(JexlContext jc)
                       throws java.lang.Exception
Gets the value of this node.

Overrides:
value in class SimpleNode
Parameters:
jc - the context to retrieve values from.
Returns:
the value of the node.
Throws:
java.lang.Exception - when evaluating the operands fails.