Package org.apache.commons.jexl3
Interface JexlContext.NamespaceResolver
- All Known Implementing Classes:
JexlEngine.EmptyNamespaceResolver
,ObjectContext
- Enclosing interface:
- JexlContext
public static interface JexlContext.NamespaceResolver
A marker interface of the JexlContext that declares how to resolve a namespace from its name;
it is used by the interpreter during evaluation.
In JEXL, a namespace is an object that serves the purpose of encapsulating functions; for instance, the "math" namespace would be the proper object to expose functions like "log(...)", "sinus(...)", etc.
In expressions like "ns:function(...)", the resolver is called with resolveNamespace("ns").JEXL itself reserves 'jexl' and 'ujexl' as namespaces for internal purpose; resolving those may lead to unexpected results.
- Since:
- 3.0
-
Method Summary
Modifier and TypeMethodDescriptionresolveNamespace
(String name) Resolves a namespace by its name.
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Method Details
-
resolveNamespace
Resolves a namespace by its name.- Parameters:
name
- the name- Returns:
- the namespace object
-