Java Requires Chilkat v11.0.0+

S3 Upload with Transfer Acceleration

See more Amazon S3 Examples

Demonstrates how to upload from a pre-signed URL with transfer acceleration. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        http.setAwsAccessKey("AWS_ACCESS_KEY");
        http.setAwsSecretKey("AWS_SECRET_KEY");

        // Make sure to set your AWS region correctly
        http.setAwsRegion("us-east-1");
        String bucketName = "chilkat200";
        String objectName = "starfish/starfish.jpg";
        String awsService = "s3";
        String httpVerb = "PUT";

        // To use S3 acceleration, we simply set the AwsEndpoint to "s3-accelerate.amazonaws.com".
        // Note: You must enable transfer acceleration on your bucket.  Acceleration incurs a higher cost.
        http.setAwsEndpoint("s3-accelerate.amazonaws.com");

        // The signed URL will be valid for this number of seconds:
        int numSecondsValid = 86400;

        // Choose between a URL beginning with "http://" or "https://"...
        boolean bUseHttps = true;

        // Generate the pre-signed URL that will use s3-accelerate.amazonaws.com
        String preSignedUrl;
        try {
            preSignedUrl = http.s3GenPresignedUrl(httpVerb, bUseHttps, bucketName, objectName, numSecondsValid, awsService);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The following URL can be copy-and-pasted into a browser..
        System.out.println("Presigned URL for Upload: " + preSignedUrl);

        // Here's an example of a pre-signed URL
        //
        // http://chilkat200.s3-accelerate.amazonaws.com/starfish/starfish.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIBJLOVZVXAU2AFUA%2F20200623%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20200623T234049Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=xxxxxeaea071178d772856c0a4e4c0114a8d9992f0d0812955e490d0exxxxxxx
        //

        // Upload a local file using the pre-signed URL.
        // (Chilkat provides other methods to upload file data directly from binary or text data in memory.)
        HttpResponse resp = new HttpResponse();
        try {
            http.httpFile("PUT", preSignedUrl, "qa_data/jpg/starfish.jpg", "image/jpg", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("response status code = " + resp.getStatusCode());
        System.out.println("response body size: " + resp.getContentLength());
        if (resp.getContentLength() > 0) {
            System.out.println("response body:");
            System.out.println(resp.getBodyStr());
        }
    }
}