org.apache.commons.jexl.parser

Class ASTIfStatement

java.lang.Object

org.apache.commons.jexl.parser.SimpleNode

org.apache.commons.jexl.parser.ASTIfStatement

All Implemented Interfaces:

Node

public class ASTIfStatement
extends SimpleNode

if ( expression ) statement [else statement].

Since:

1.1

Author:

Dion Gillard

Field Summary

Fields

Modifier and Type	Field and Description
private static int	ELSE_STATEMENT_INDEX child index of the else statement to execute.

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

children, id, parent, parser

Constructor Summary

Constructors

Constructor and Description
ASTIfStatement(int id) Create the node given an id.
ASTIfStatement(Parser p, int id) Create a node with the given parser and id.

Method Summary

Modifier and Type	Method and Description
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, execute, 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

ELSE_STATEMENT_INDEX

private static final int ELSE_STATEMENT_INDEX

child index of the else statement to execute.

See Also:

Constant Field Values

Constructor Detail

ASTIfStatement

public ASTIfStatement(int id)

Create the node given an id.

Parameters:

id - node id.

ASTIfStatement

public ASTIfStatement(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)

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.