Package org.apache.commons.jexl2

Interface Summary

Interface	Description
Expression	Represents a single JEXL expression.
JexlContext	Manages variables which can be referenced in a JEXL expression.
JexlInfo	Interface for objects carrying information usefull to debugging.
NamespaceResolver	This interface declares how to resolve a namespace from its name; it is used by the interpreter during evalutation.
Script	A JEXL Script.

Class Summary

Class	Description
DebugInfo	Helper class to carry in info such as a url/file name, line and column for debugging information reporting.
ExpressionImpl	Instances of ExpressionImpl are created by the JexlEngine, and this is the default implementation of the Expression and Script interface.
Interpreter	An interpreter of JEXL syntax.
JexlArithmetic	Perform arithmetic.
JexlEngine	Creates and evaluates Expression and Script objects.
JexlEngine.Frame	A call frame, created from a scope, stores the arguments and local variables as "registers".
JexlEngine.Scope	A script scope, stores the declaration of parameters and local variables.
JexlThreadedArithmetic	A derived arithmetic that allows different threads to operate with different strict/lenient/math modes using the same JexlEngine.
Main	Test application for JEXL.
MapContext	Wraps a map in a context.
ObjectContext<T>	Wraps an Object as a Jexl context.
ReadonlyContext	A readonly context wrapper.
UnifiedJEXL	An evaluator similar to the Unified EL evaluator used in JSP/JSF based on JEXL.

Exception Summary

Exception	Description
JexlException	Wraps any error that might occur during interpretation of a script or expression.
JexlException.Cancel	Thrown to cancel a script execution.
JexlException.Method	Thrown when a method or ctor is unknown, ambiguous or inaccessible.
JexlException.Parsing	Thrown when parsing fails.
JexlException.Property	Thrown when a property is unknown.
JexlException.Return	Thrown to return a value.
JexlException.Tokenization	Thrown when tokenization fails.
JexlException.Variable	Thrown when a variable is unknown.
UnifiedJEXL.Exception	The sole type of (runtime) exception the UnifiedJEXL can throw.