(Java) REST Upload String

Example to upload the contents of a string to the Amazon S3 service.

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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[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest = new CkRest();

    // Connect to the Amazon AWS REST server.
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    boolean success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect);

    // ----------------------------------------------------------------------------
    // Important: For buckets created in regions outside us-east-1,
    // there are three important changes that need to be made.
    // See Working with S3 Buckets in Non-us-east-1 Regions for the details.
    // ----------------------------------------------------------------------------

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("s3");
    success = rest.SetAuthAws(authAws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat100".
    rest.put_Host("chilkat100.s3.amazonaws.com");

    // Load a text file into memory.
    CkFileAccess fac = new CkFileAccess();
    String fileContents = fac.readEntireTextFile("qa_data/xml/hamlet.xml","utf-8");
    if (fac.get_LastMethodSuccess() != true) {
        System.out.println(fac.lastErrorText());
        return;
        }

    // To send the file in gzip or deflate compressed format, set the Content-Encoding request
    // header to "gzip" or "deflate".  (this is optional)
    success = rest.AddHeader("Content-Encoding","gzip");

    // Indicate the Content-Type of our upload.  (This is optional)
    success = rest.AddHeader("Content-Type","text/xml");

    // We can add an "Expect: 100-continue" header so that if the request is rejected
    // by the server immediately after receiving the request header, it can respond
    // and the client (Chilkat) can avoid sending the file data.
    // (this is optional)
    success = rest.AddHeader("Expect","100-continue");

    // Upload the file to Amazon S3.
    String responseBodyStr = rest.fullRequestString("PUT","/hamlet_play.xml",fileContents);
    if (rest.get_LastMethodSuccess() != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    // Did we get a 200 response indicating success?
    int statusCode = rest.get_ResponseStatusCode();
    if (statusCode != 200) {
        System.out.println("Error response: " + responseBodyStr);
        System.out.println("Status code: " + statusCode + ", Status text: " + rest.responseStatusText());
        return;
        }

    System.out.println("File successfully uploaded.");
  }
}