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(Java) Asynchronous HTTPS Upload (TLS)

Demonstrates how to do an HTTPS (TLS) upload asynchronously in a background thread.

A server-side C# example showing how to receive an upload is located at C# ASP.NET Code to Receive Upload

Chilkat Java Downloads

Java Libs for Windows, Linux, Alpine Linux,
MAC OS X, Solaris, FreeBSD, OpenBSD,
Raspberry Pi and other single board computers

Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkUpload upload = new CkUpload();

    //  Specify the page (ASP, ASP.NET, Perl, Python, Ruby, CGI, etc)
    //  that will process the HTTP Upload.
    upload.put_Hostname("www.mywebserver.com");
    upload.put_Path("/receiveUpload.aspx");

    //  Add one or more files to be uploaded.
    upload.AddFileReference("file1","dude.gif");
    upload.AddFileReference("file2","pigs.xml");
    upload.AddFileReference("file3","sample.doc");

    //  To upload using SSL/TLS (https), set the Ssl property = true
    upload.put_Ssl(true);

    //  Begin the HTTP upload in a background thread:
    boolean success = upload.BeginUpload();
    if (success != true) {
        System.out.println(upload.lastErrorText());
    }
    else {
        System.out.println("Upload started..");
    }

    //  Wait for the upload to finish.
    //  Print the progress as we wait...
    while ((upload.get_UploadInProgress() == true)) {
        //  We can abort the upload at any point by calling:
        //  upload.AbortUpload();

        //  Display the percentage complete and the number of bytes uploaded so far..
        //  The total upload size will become set after the upload begins:
        System.out.println(upload.get_PercentUploaded() + "% " + upload.get_NumBytesSent() + "/" + upload.get_TotalUploadSize());

        //  Sleep 2/10ths of a second.
        upload.SleepMs(200);

    }

    //  Did the upload succeed?
    if (upload.get_UploadSuccess() == true) {
        System.out.println("Files uploaded!");
    }
    else {
        System.out.println(upload.lastErrorText());
    }


  }
}

 

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