Visual FoxPro

Parse MIME to get Binary Data (such as GIF, JPG, or any binary file)

See more MIME Examples

Demonstrates how to parse a MIME to get binary data. This example extracts the image data for a GIF image to an in-memory byte array, and also to a file.

This example uses a MIME test file located at http://www.chilkatsoft.com/testData/sampleMime2.txt. It contains the following MIME:

Content-Type: multipart/mixed;
 boundary="------------080707010302060306060800";

This is a multi-part message in MIME format.

--------------080707010302060306060800
Content-Type: text/plain
Content-Transfer-Encoding: 7bit

This is the plain-text body.
--------------080707010302060306060800
Content-Disposition: attachment; filename="starfish.gif";
Content-Transfer-Encoding: base64
Content-Type: image/gif; name="starfish.gif";

R0lGODlhIAAgAPcAAP///+/v7/f39+/n5/fv7//39/fn597OzufW1tbGxs69vffe3u/W1salpZQQ
EIQYEJwQCJQYCJwYCM6clL2Ee5wpGIwhEK0YANatpdalnHMYCKUhCJQYAKUYAM6Ec5QhCJwhCPfW
zu/Oxta1rb17a6UhAK0hAPe9rb2Ec7V7a71rUpwpCL0xCJwhAOfOxta9tcatpdallM6cjMaUhK1C
IZwxELU5EK0xCLUxCN61pcacjK1rUrVaOaVKKZxCIZwxCKUxCL05CLUxAM6llO+1nMZzUr1rSrVS
KaVCGK1CGLVCEJQxCK05CLU5CIwpAKUxAK0xAM69tffWxrVrSrVaMbVKGMZKEL1CCLU5AP/v597O
xufGtcallNaljLWEa96ce9aUc717Wq1aMcZjMbVaKbVSIa1KGL1SGJw5CK1CCLVCCMZKCM5KCMZC
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--------------080707010302060306060800--

Visual FoxPro

LOCAL lnSuccess
LOCAL loMime
LOCAL loPart2
LOCAL loBinaryData
LOCAL loFac

lnSuccess = 0

* This example assumes the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.

loMime = CreateObject('Chilkat.Mime')

* Load the sampleMime2.txt file into the MIME object.
* (This file is available at https://www.chilkatsoft.com/testData/sampleMime2.txt )

lnSuccess = loMime.LoadMimeFile("sampleMime2.txt")
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    RELEASE loMime
    CANCEL
ENDIF

* The GIF image is the 2nd sub-part located directly under the
* top-level MIME node.  Indexing begins at 0, therefore the 2nd
* sub-part is at index 1.

loPart2 = CreateObject('Chilkat.Mime')
lnSuccess = loMime.PartAt(1,loPart2)
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    RELEASE loMime
    RELEASE loPart2
    CANCEL
ENDIF

* The GetBodyBinary method returns the binary bytes
* of the part's body, automatically decoded from whatever
* content-transfer-encoding might be used (such as base64).
loBinaryData = loPart2.GetBodyBinary()

* We now have the binary bytes of the GIF image in binaryData.
* Save it to a file.
loFac = CreateObject('Chilkat.FileAccess')
lnSuccess = loFac.WriteEntireFile("out1.gif",loBinaryData)
IF (lnSuccess = 0) THEN
    ? loFac.LastErrorText
    RELEASE loMime
    RELEASE loPart2
    RELEASE loFac
    CANCEL
ENDIF

* An easier way to save the body content to a file,
* assuming your application does not need to access
* the binary data in-memory, is to call SaveBody
lnSuccess = loPart2.SaveBody("out2.gif")
IF (lnSuccess = 0) THEN
    ? loPart2.LastErrorText
    RELEASE loMime
    RELEASE loPart2
    RELEASE loFac
    CANCEL
ENDIF

? "Finished."

RELEASE loMime
RELEASE loPart2
RELEASE loFac