Package org.apache.commons.jexl3.scripting

Class JexlScriptEngine.JexlContextWrapper

java.lang.Object

org.apache.commons.jexl3.scripting.JexlScriptEngine.JexlContextWrapper

All Implemented Interfaces:

JexlContext

Enclosing class:

JexlScriptEngine

private final class JexlScriptEngine.JexlContextWrapper
extends java.lang.Object
implements JexlContext

Wrapper to help convert a JSR-223 ScriptContext into a JexlContext. Current implementation only gives access to ENGINE_SCOPE binding.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.commons.jexl3.JexlContext

JexlContext.AnnotationProcessor, JexlContext.CancellationHandle, JexlContext.ClassNameResolver, JexlContext.ModuleProcessor, JexlContext.NamespaceFunctor, JexlContext.NamespaceResolver, JexlContext.OptionsHandle, JexlContext.PragmaProcessor, JexlContext.ThreadLocal

Field Summary

Fields

Modifier and Type	Field	Description
(package private) javax.script.ScriptContext	scriptContext	The wrapped script context.

Constructor Summary

Constructors

Constructor	Description
JexlContextWrapper(javax.script.ScriptContext theContext)	Creates a context wrapper.

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

Field Detail

scriptContext

final javax.script.ScriptContext scriptContext

The wrapped script context.

Constructor Detail

JexlContextWrapper

JexlContextWrapper(javax.script.ScriptContext theContext)

Creates a context wrapper.

Parameters:

theContext - the engine context.

Method Detail

get

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

Description copied from interface: JexlContext

Gets the value of a variable.

Specified by:

get in interface JexlContext

Parameters:

name - the variable's name.

Returns:

the value.

has

public boolean has(java.lang.String name)

Description copied from interface: JexlContext

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.

set

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

Description copied from interface: JexlContext

Sets the value of a variable.

Specified by:

set in interface JexlContext

Parameters:

name - the variable's name.

value - the variable's value.