org.apache.commons.jexl.parser
Class ASTMethod

java.lang.Object
  |
  +--org.apache.commons.jexl.parser.SimpleNode
        |
        +--org.apache.commons.jexl.parser.ASTMethod
All Implemented Interfaces:
Node

public class ASTMethod
extends SimpleNode

Method execution.


Fields inherited from class org.apache.commons.jexl.parser.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTMethod(int id)
          Create the node given an id.
ASTMethod(Parser p, int id)
          Create a node with the given parser and id.
 
Method Summary
 Object execute(Object obj, JexlContext jc)
          evaluate a method invocation upon a base object.
 Object jjtAccept(ParserVisitor visitor, Object data)
          {@inheritDoc}
 
Methods inherited from class org.apache.commons.jexl.parser.SimpleNode
childrenAccept, dump, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString, value
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ASTMethod

public ASTMethod(int id)
Create the node given an id.
Parameters:
id - node id.

ASTMethod

public ASTMethod(Parser p,
                 int id)
Create a node with the given parser and id.
Parameters:
p - a parser.
id - node id.
Method Detail

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)
{@inheritDoc}
Overrides:
jjtAccept in class SimpleNode
Following copied from class: org.apache.commons.jexl.parser.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 Object execute(Object obj,
                      JexlContext jc)
               throws Exception
evaluate a method invocation upon a base object. foo.bar(2)
Overrides:
execute in class SimpleNode
Parameters:
jc - the JexlContext to evaluate against.
obj - The object to have the method invoked.
Returns:
the value of the method invocation.
Throws:
Exception - on any error


Copyright © 2003-2006 The Apache Software Foundation. All Rights Reserved.