How to retrieve Mime Type of File in ABAP ? ( SAP Mime Types Tables)

This article will guide through how to retrieve Mime Type of any file using ABAP Program.

First, let’s deal with some definition ( what’s mime type ? ). Then we will list the most important tables in SAP for MimeTypes.
The last part will cover how to retrive, for a particular file, the mime type using standard SAP functions.

What’s MimeType ?

A media type (also MIME type and content type) is a two-part identifier for file formats and format contents transmitted on the Internet.
Media type consists of top-level type name and sub-type name, which is further structured into so-called “trees”. Media types can optionally define companion data, known as parameters.(1)

top-level type name / subtype name [ ; parameters ]
top-level type name / [ tree. ] subtype name [ +suffix ] [ ; parameters ]

Read also Sample ABAP Program for Application server File

List of Standard MimeType in SAP ?

First, let’s list the main SAP Tables for MimeTypes:

SAP Mime Type Table MIMETYPES

The table in SAP for Mime Type is MIMETYPES.
MIMETYPES: Table of MIME types.

It has 2 fields:

• TYEPE: HTML Content Type
• EXTENSION: file name Extension

SDOKMIME SAP Mime Type Table

In the above table (MIMETYPES) is empty in your SAP System. Check the SAP Table SDOKMIME.
It has the same fields.

List of MimeType in SAP

All the mime Type description can be found in SAP Table SDOKFEXTT ( Text Table for SDOKFEXT ).

For example, for SAP MimeType “text/plain”, the description will be “Plain Text”

SAP Mime Type Description Table SDOKFEXTT

How to retrieve Mimetype of a file in ABAP ?

In standard, SAP offers different function module to retrieve the Mime Type of a file in ABAP.

Let’s list the most used ones:

SKWF_MIMETYPE_OF_FILE_GET

The first function module is SKWF_MIMETYPE_OF_FILE_GET. It takes the filename in input and generates the Mime Type as output.
Here the signature of SKWF_MIMETYPE_OF_FILE_GET.

function skwf_mimetype_of_file_get.
*"----------------------------------------------------------------------
*"*"Lokale Schnittstelle:
*"  IMPORTING
*"     VALUE(FILENAME) TYPE  SKWF_FILNM
*"     VALUE(X_USE_LOCAL_REGISTRY) TYPE  SKWF_FLAG OPTIONAL
*"  EXPORTING
*"     VALUE(MIMETYPE) TYPE  SKWF_MIME
*"----------------------------------------------------------------------

Others SAP function for MimeType

Here we list other interesting functions in SAP for MimeType:

• SDOK_MIMETYPE_GET_DESCRIPTION: Get MimeType Description
• LXE_PC_READ_MIMETYPES : Definierte MIME-Types lesen
• LXE_TS_API_GET_TS_MIMETYPES : Get a list of supported MIME types
• SA_KW_RFC_MIMETYPE_GET
• SMD_RFC_MIMETYPE_GET : ad mimetype from file extension

Note that this function module will retrieve the extension of the file, then it will call the SDOK_MIMETYPE_GET.

(1): Media Type in Wikipedia