Utility Classes

When creating and evaluating expressions, some other important classes come into play: a javax.el.ELContext is required at creation time and evaluation time. It contains methods to access a function mapper (javax.el.FunctionMapper), a variable mapper (javax.el.VariableMapper) and a resolver (javax.el.ELResolver).

JUEL provides simple implementations of these classes to get you using the unified EL "out of the box".