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.

Field Summary

Fields inherited from class org.apache.commons.jexl.parser.SimpleNode

children, id, parent, parser

Constructor Summary

Constructors

Constructor and Description
ASTMethod(int id) Create the node given an id.
ASTMethod(org.apache.commons.jexl.parser.Parser p, int id) Create a node with the given parser and id.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	execute(java.lang.Object obj, JexlContext jc) evaluate a method invocation upon a base object.
java.lang.Object	jjtAccept(org.apache.commons.jexl.parser.ParserVisitor visitor, java.lang.Object data) Accept the visitor.

Methods inherited from class org.apache.commons.jexl.parser.SimpleNode

childrenAccept, dump, getUberspect, 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(org.apache.commons.jexl.parser.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(org.apache.commons.jexl.parser.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 jc)
                         throws java.lang.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:

java.lang.Exception - on any error