The AddCatalogPages sample extends PackageTransformer taking advantage
of a hook it provides that allows a subclass to do additional work
before or after the transformation.
The decompress method can be used to extract an IDML archive specified
in the compressedFilePath parameter to the directory specified in the targetDirPath parameter.
The decompress method can be used to extract an IDML archive specified
in the idmlSrcFile parameter to the directory specified in the idmlDestinationFile parameter.
The Validator class can be used to validate IDML packages,
extracted IDML packages, and non-package IDML files such as
IDMS (snippets) and ICML (InCopy stories).
This class stores a single parameter name/value pair
These parameters are used to add parameters from the Java application to the XSL StyleSheets at transform time.