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
ClassNameExpression	ClassNameExpression returns the current class name of the context bean
CollectionUpdater	Updates a Collection by adding the new value to it.
ConstantExpression	ConstantExpression represents a constant expression.
Context	Context describes the context used to evaluate bean expressions.
DynaBeanExpression	An Expression that gets a property value from a DynaBean.
DynaBeanUpdater	Updates DynaBean's.
EmptyExpression	EmptyExpression returns the same value as is passed in.
IteratorExpression	IteratorExpression returns an iterator over the current context.
MapEntryAdder	MapEntryAdder is used to add entries to a map.
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.
TypedUpdater	Abstracts common features for strongly typed Updater's.
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.