Package org.apache.commons.betwixt.expression

This package contains the system which extracts values from beans.

See: Description

Interface Summary

Interface	Description
Expression	Expression represents an arbitrary expression on a bean.
Updater	Updater acts like an lvalue which updates the current context bean from some text from an XML attribute or element.

Class Summary

Class	Description
ConstantExpression	ConstantExpression represents a constant expression.
Context	Context describes the context used to evaluate bean expressions.
EmptyExpression	EmptyExpression returns the same value as is passed in.
IteratorExpression	IteratorExpression returns an iterator over the current context.
MethodExpression	MethodExpression evaluates a method on the current bean context.
MethodUpdater	MethodUpdater updates the current bean context by calling a WriteMethod with the String value from the XML attribute or element.
StringExpression	StringExpression returns the current context object as a string.
VariableExpression	VariableExpression represents a variable expression such as $foo which returns the value of the given variable.

Package org.apache.commons.betwixt.expression Description

This package contains the system which extracts values from beans. The mapping is created by class introspection but the Expression implementations in this package inspect a particular bean instance and extract the values used to render the bean as xml.