Packages 
Package Description
org.apache.avalon.framework
The Framework part of Avalon contains interfaces and contracts surrounding those interfaces, along with default implementations of some of those interfaces.
org.apache.avalon.framework.activity
Activity related interfaces covering component initialization, execution, startable and stoppable components, suspension, and disposal.
org.apache.avalon.framework.component
Deprecated: use the interfaces in the org.apache.avalon.framework.service package instead.
org.apache.avalon.framework.configuration
Component configuration interfaces and XML-based implementations.
org.apache.avalon.framework.container
Utilities supporting execution of component lifecycle stages.
org.apache.avalon.framework.context
Interfaces and implementation of the Context model through which runtime context can be applied by a manager to a component.
org.apache.avalon.framework.logger
Abstract logging framework supporting pluggable logging mechanisms including LogKit, Log4J and the JDK 1.4 logging infrastructure.
org.apache.avalon.framework.parameters
Interfaces supporting the supply of flat configuration information.
org.apache.avalon.framework.service
Interfaces and default implementation of a service management framework supporting container based service lookup and decommissioning.
org.apache.avalon.framework.thread
Interfaces enabling declaration of single threaded and thread-safe components.