(Java) S3 Upload a File with Public Read Permissions

Demonstrates how to upload a file to the Amazon S3 service with the x-amz-acl request header set to "public-read" to allow the file to be publicly downloadable.

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

    CkHttp http = new CkHttp();

    // Insert your AWS keys here:
    http.put_AwsAccessKey("AWS_ACCESS_KEY");
    http.put_AwsSecretKey("AWS_SECRET_KEY");

    String bucketName = "chilkat.ocean";
    String objectName = "seahorse.jpg";
    String localFilePath = "qa_data/jpg/seahorse.jpg";
    String contentType = "image/jpg";

    // Add the x-amz-acl request header to make the file publicly readable.
    http.SetRequestHeader("x-amz-acl","public-read");

    boolean success = http.S3_UploadFile(localFilePath,contentType,bucketName,objectName);

    if (success != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    if (http.get_LastStatus() == 200) {
        System.out.println("File uploaded.");
        }
    else {
        System.out.println("Response status code: " + http.get_LastStatus());
        System.out.println(http.lastResponseBody());
        }
  }
}