getDocumentId(Publication publication, String area, File file) Returns the document ID for a certain file.
Parameters: publication - The publication. Parameters: area - The area. Parameters: file - The file representing the document.
Returns the document ID for a certain file.
Parameters: publication - The publication. Parameters: area - The area. Parameters: file - The file representing the document. A string. throws: DocumentDoesNotExistException - when the document referenced by the file does notexist.
Returns the language for a certain file
Parameters: file - the document file the language for the given document file or null if the file has no language.