def step( self ):
	
		error = None
	
		jhove = Jhove( self.config.jhove.file, self.config.jhove.conf )
		
		details = jhove.checkFolder( self.command_line.original_tiff_path, Jhove.FILETYPE.TIFF )
		
		tiffs_failed = []
		for tiff_file in details:
			if not details[tiff_file]['ok']:
				tiffs_failed.append( tiff_file )
		
		if tiffs_failed:
			# Create error message
			error = "There was a problem with " + str( len( tiffs_failed ) ) + " tiff files. Details follow. \n"
			
			for tiff in tiffs_failed:
				error += 'Tiff "' + tiff + '" failed'
				error += ", " + details[tiff]['status']
				
				messages = []
				for message in details[tiff]['messages'] :
					messages.append( '"' +  message + '"' )
				
				if messages:
					error += " - " + ", ".join( messages )
				
				error += "\n"
				
			# self.error( error )
		
		return error
	def step( self ):
	
		error = None
	
		# Get jpeg path and check
		jpeg_path = self.command_line.tiff_path.replace( '_tif', '_jp2' )
	
		if self.checkFolder( jpeg_path ) == None :
		
			jhove = Jhove( self.config.jhove.file, self.config.jhove.conf )
			details = jhove.checkFolder( jpeg_path, Jhove.FILETYPE.JPEG2000 )
			
			files_failed = []
			for file in details:
				if not details[file]['ok']:
					files_failed.append( file )
			
			if files_failed:
				# Create error message
				error = "There was a problem with " + str( len( files_failed ) ) + " jpeg2000 files. Details follow. \n"
				
				for file in files_failed:
					error += 'Jpeg2000 "' + file + '" failed'
					error += ", " + details[file]['status']
					
					messages = []
					for message in details[file]['messages'] :
						messages.append( '"' +  message + '"' )
					
					if messages:
						error += " - " + ", ".join( messages )
					
					error += "\n"
					
				# self.error( error )
		
		else:
			error = "Jpeg2000 folder " + jpeg_path + " does not exist"
		
		return error