Lianja

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. Lianja

llSuccess = .F.

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

loSocket = createobject("CkSocket")

llTls = .F.
lnMaxWaitMs = 20000
lcDomainOrIpAddr = "example.com"
lnPort = 1234

// Connect to the whatever is expecting our connection...
llSuccess = loSocket.Connect(lcDomainOrIpAddr,lnPort,llTls,lnMaxWaitMs)
if (llSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    return
endif

// 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..
loSbXml = createobject("CkStringBuilder")
llSuccess = loSbXml.LoadFile("qa_data/xml/myUtf16.xml","utf-16")
if (llSuccess <> .T.) then
    ? "Failed to load utf-16 XML file.."
    release loSocket
    release loSbXml
    return
endif

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

// Send the string as utf-16 bytes.
llSuccess = loSocket.SendSb(loSbXml)
if (llSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    release loSbXml
    return
endif

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

// Send the string as utf-8 bytes.
llSuccess = loSocket.SendSb(loSbXml)
if (llSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    release loSbXml
    return
endif

// 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).
llSuccess = loSbXml.LoadFile("qa_data/xml/myUtf8.xml","utf-8")
if (llSuccess <> .T.) then
    ? "Failed to load utf-8 XML file.."
    release loSocket
    release loSbXml
    return
endif

// Send as utf-16
loSocket.StringCharset = "utf-16"

// Send the string as utf-16 bytes.
llSuccess = loSocket.SendSb(loSbXml)
if (llSuccess <> .T.) then
    ? loSocket.LastErrorText
    release loSocket
    release loSbXml
    return
endif

// ...
// ...


release loSocket
release loSbXml