Package org.apache.commons.jexl2

Class ObjectContext<T>

java.lang.Object

org.apache.commons.jexl2.ObjectContext<T>

Type Parameters:

T - the wrapped object type to use

All Implemented Interfaces:

JexlContext

public class ObjectContext<T>
extends java.lang.Object
implements JexlContext

Wraps an Object as a Jexl context.

Since:

2.1

Constructor Summary

Constructors

Constructor	Description
ObjectContext(JexlEngine engine, T wrapped)	Creates a new ObjectContext.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	get(java.lang.String name)	Gets the value of a variable.
boolean	has(java.lang.String name)	Checks whether a variable is defined in this context.
void	set(java.lang.String name, java.lang.Object value)	Sets the value of a variable.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ObjectContext

public ObjectContext(JexlEngine engine,
                     T wrapped)

Creates a new ObjectContext.

Parameters:

engine - the jexl engine to use to solve properties

wrapped - the object to wrap in this context

Method Detail

get

public java.lang.Object get(java.lang.String name)

Gets the value of a variable.

Specified by:

get in interface JexlContext

Parameters:

name - the variable's name

Returns:

the value

set

public void set(java.lang.String name,
                java.lang.Object value)

Sets the value of a variable.

Specified by:

set in interface JexlContext

Parameters:

name - the variable's name

value - the variable's value

has

public boolean has(java.lang.String name)

Checks whether a variable is defined in this context.

A variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined.

Specified by:

has in interface JexlContext

Parameters:

name - the variable's name

Returns:

true if it exists, false otherwise