I want to store a file in alfresco which is has a mimetype that is not known to the repository yet. The file has nested content - think of a zip-file that contains other files. Is it possible to create a transformer that extracts the nested content and passes these normal files (pdf, text, whatever) to the transformers that are already available in alfresco? The goal is to fulltext index my file. I saw the complex transformations that take a list of transformers but as my file can have arbitrary sub-content this is not possible.