org.apache.commons.jexl

Class JexlOne.ContextAdapter

java.lang.Object

org.apache.commons.jexl.JexlOne.ContextAdapter

All Implemented Interfaces:

JexlContext

Enclosing class:

JexlOne

private static final class JexlOne.ContextAdapter
extends java.lang.Object
implements JexlContext

A Jexl1.x context wrapped into a Jexl2 context.

Field Summary

Fields

Modifier and Type	Field and Description
private JexlContext	legacy The Jexl1.x context.

Constructor Summary

Constructors

Constructor and Description
ContextAdapter(JexlContext ctxt10) Creates a jexl2.JexlContext from a jexl.JexlContext.

Method Summary

Modifier and Type	Method and Description
(package private) static JexlContext	adapt(JexlContext aContext) Adapts a Jexl-1.x context to a Jexl-2.0 context.
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

Field Detail

legacy

private final JexlContext legacy

The Jexl1.x context.

Constructor Detail

ContextAdapter

ContextAdapter(JexlContext ctxt10)

Creates a jexl2.JexlContext from a jexl.JexlContext.

Parameters:

ctxt10 -

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

adapt

static final JexlContext adapt(JexlContext aContext)

Adapts a Jexl-1.x context to a Jexl-2.0 context.

Parameters:

aContext - a oac.jexl context

Returns:

an oac.jexl2 context