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Node.js Examples

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(Node.js) Get the text body content of a MIME part.

Explains and demonstrates the GetBodyEncoded and GetBodyDecoded methods. This example uses the MIME test data located at http://www.chilkatsoft.com/testData/sampleMime1.txt

The sampleMime1.txt contains:

Content-Type: multipart/mixed;
 boundary="------------070404010201060604000708";

This is a multi-part message in MIME format.

--------------070404010201060604000708
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="utf-8";

Falsches =C3=9Cben von Xylophonmusik qu=C3=A4lt jeden gr=C3=B6=C3=9Feren Zwe=
rg.
--------------070404010201060604000708
Content-Transfer-Encoding: base64
Content-Type: text/plain; charset="utf-8";

RmFsc2NoZXMgw5xiZW4gdm9uIFh5bG9waG9ubXVzaWsgcXXDpGx0IGplZGVuIGdyw7bDn2VyZW4g
Wndlcmcu

--------------070404010201060604000708
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset="iso-8859-1";

Falsches Üben von Xylophonmusik quält jeden größeren Zwerg.
--------------070404010201060604000708--

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js

Chilkat npm packages for Electron

on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

    var mime = new chilkat.Mime();

    var success;
    success = mime.UnlockComponent("Anything for 30-day trial.");
    if (success == false) {
        console.log(mime.LastErrorText);
        return;
    }

    // Load the sampleMime1.txt file into the MIME object.
    // (This file is available at http://www.chilkatsoft.com/testData/sampleMime1.txt )

    success = mime.LoadMimeFile("sampleMime1.txt");
    if (success == false) {
        console.log(mime.LastErrorText);
        return;
    }

    // The sampleMime1.txt is a MIME document with a top-level 
    // multipart/mixed containing 3 sub-parts, each of which has the 
    // same body text but with different content-transfer-encodings and 
    // using different character encodings (utf-8 and iso-8859-1).

    // Calling mime.GetBodyEncoded or mime.GetBodyDecoded on the 
    // top-level multipart/mixed MIME object will return an empty string.
    // It is because the "body" of a multipart MIME object is always empty.
    // A multipart MIME object contains sub-parts (each a MIME object),
    // and it is only the leaf-objects that can have non-empty bodies.

    // Get GetBodyDecoded method returns the body text decoded
    // from whatever the content-transfer-encoding may be, and
    // converted from whatever charset encoding might be used.
    // In this case, calling GetBodyDecoded on each of the three
    // sub-parts will return the same string.
    // To demonstrate:
    // part1: Mime
    var part1;
    part1 = mime.GetPart(0);
    console.log(part1.GetBodyDecoded());

    // part2: Mime
    var part2;
    part2 = mime.GetPart(1);
    console.log(part2.GetBodyDecoded());

    // part3: Mime
    var part3;
    part3 = mime.GetPart(2);
    console.log(part3.GetBodyDecoded());

    // The GetBodyEncoded method will NOT decode from 
    // whatever content-transfer-encoding is used.  However, it will
    // convert from whatever internal character encoding
    // may be used to return a string appropriate for the calling
    // programming language (for example, in .NET or any language
    // using ActiveX, all strings are Unicode..)
    console.log(part1.GetBodyEncoded());
    console.log(part2.GetBodyEncoded());
    console.log(part3.GetBodyEncoded());


}

chilkatExample();

 

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