CSV file

This is a reference documentation of the CSV file writer in hale studio. Usually you will not need this reference, as in hale studio the configuration of I/O providers is done via the respective wizards for import and export. Where this reference can come in handy is if you want launch a transformation via the command line.

Configuration parameters

Following are the specific configuration parameters for this writer.

• Use the source schema for the exported columns

  Use the source schema for the order and number of exported columns.

  Setting name	useSchema
  Default value	true
  	Defaults to true

• Export type (required)

  Schema type which instances should be exported.

  Setting name	selectedExportType
  Example value	{namespace}localname
  	The type name is represented like in the given example, with the namespace in curly braces.

• Separator character

  Separator character that delimits columns in the CSV file

  Setting name	separator
  	Defaults to tabulator (\t)

• Quote character

  Character used to quote CSV entries

  Setting name	quote
  Default value	"

• Escape character

  Character used to escape special characters, e.g. the quote character

  Setting name	escape
  Default value	\

The following configuration parameters are shared for all I/O providers.

• Content type

  During import the content type is tried to be auto-detected, for export this is not possible, but I/O providers may have a default content type associated. If an I/O provider only supports one content type, it's usually not necessary to set this parameter. In any case you can override the content type to use/assume using a content type identifier (see the list of supported content types at the bottom of the page).

  Setting name	contentType
  Example value	eu.esdihumboldt.hale.io.csv

• Character encoding

  Specifying a character encoding is important especially for the import, so data is interpreted correctly. Not every I/O provider may respect this setting though (e.g. if the encoding is given by the data source).
  Specify a character encoding by its name as recognised by Java.

  Setting name	charset
  Example value	UTF-8

Supported content types

• CSV file (eu.esdihumboldt.hale.io.csv)