Handles all WebWork2 config properties. Implementation of this class is pluggable (the default implementation is DefaultConfiguration ). This gives developers to ability to customize how WebWork2 properties are set and retrieved. As an example, a developer may wish to check a separate property store before delegating to the WebWork one.

Key methods:

• getLocale()
• getString(String)
• set(String, Object)
• list()

Key methods for subclassers:

• getImpl(String)
• setImpl(String, Object)
• listImpl()
• isSetImpl(String)