Node.js

Send UTF-16 on TCP or TLS Socket

See more Socket/SSL/TLS Examples

Demonstrates how to send a string on a connected TCP or SSL/TLS socket such that it is the utf-16 byte representation that is sent. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var socket = new chilkat.Socket();

    var tls = false;
    var maxWaitMs = 20000;
    var domainOrIpAddr = "example.com";
    var port = 1234;

    //  Connect to the whatever is expecting our connection...
    success = socket.Connect(domainOrIpAddr,port,tls,maxWaitMs);
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    //  Let's say we have an XML file saved in the utf-16 byte representation,
    //  and we want to send it over the connection using the utf-16 byte representation...

    //  First the file into a Chilkat StringBuilder.
    //  Tell the LoadFile method that we are reading utf-16 bytes..
    var sbXml = new chilkat.StringBuilder();
    success = sbXml.LoadFile("qa_data/xml/myUtf16.xml","utf-16");
    if (success !== true) {
        console.log("Failed to load utf-16 XML file..");
        return;
    }

    //  Tell the socket object that we wish to send the utf-16 byte representation of the string.
    socket.StringCharset = "utf-16";

    //  Send the string as utf-16 bytes.
    success = socket.SendSb(sbXml);
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    //  Let's say we wanted to instead send the string as utf-8 bytes.
    //  Just tell the socket object...
    socket.StringCharset = "utf-8";

    //  Send the string as utf-8 bytes.
    success = socket.SendSb(sbXml);
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    //  If our XML file was utf-8, then just tell the StringBuilder that we're reading utf-8.
    //  Once the text is properly contained in the StringBuilder, we can send the contents in any other charset (windows-1252, utf-16, utf-8, etc.) 
    //  as long as it make sense (i.e. we obviously can't send Japanese text using a single-byte charset such as Windows-1252).
    success = sbXml.LoadFile("qa_data/xml/myUtf8.xml","utf-8");
    if (success !== true) {
        console.log("Failed to load utf-8 XML file..");
        return;
    }

    //  Send as utf-16
    socket.StringCharset = "utf-16";

    //  Send the string as utf-16 bytes.
    success = socket.SendSb(sbXml);
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    //  ...
    //  ...

}

chilkatExample();