Example usage for com.amazonaws SDKGlobalConfiguration ENABLE_S3_SIGV4_SYSTEM_PROPERTY

Introduction

In this page you can find the example usage for com.amazonaws SDKGlobalConfiguration ENABLE_S3_SIGV4_SYSTEM_PROPERTY.

Prototype

String ENABLE_S3_SIGV4_SYSTEM_PROPERTY

To view the source code for com.amazonaws SDKGlobalConfiguration ENABLE_S3_SIGV4_SYSTEM_PROPERTY.

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Document

By default, the AmazonS3Client will continue to use the legacy S3Signer to authenticate requests it makes to S3 in regions that support the older protocol.

Usage

From source file:com.kirana.utils.GeneratePresignedUrlAndUploadObject.java

public static void main(String[] args) throws IOException {

    System.setProperty(SDKGlobalConfiguration.ENABLE_S3_SIGV4_SYSTEM_PROPERTY, "true");
    System.setProperty(SDKGlobalConfiguration.ACCESS_KEY_ENV_VAR, "AKIAJ666LALJZHA6THGQ");
    System.setProperty(SDKGlobalConfiguration.SECRET_KEY_ENV_VAR, "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");
    //      AmazonS3 s3client = new AmazonS3Client(new ProfileCredentialsProvider("kirana"));

    ProfilesConfigFile profile = new ProfilesConfigFile("AwsCredentials.properties");
    AmazonS3 s3client = new AmazonS3Client(new ProfileCredentialsProvider());
    s3client.setRegion(Region.getRegion(Regions.AP_SOUTHEAST_1));

    try {//from www . jav  a2 s  .co m
        System.out.println("Generating pre-signed URL.");
        java.util.Date expiration = new java.util.Date();
        long milliSeconds = expiration.getTime();
        milliSeconds += 1000 * 60 * 60; // Add 1 hour.
        expiration.setTime(milliSeconds);

        GeneratePresignedUrlRequest generatePresignedUrlRequest = new GeneratePresignedUrlRequest(bucketName,
                objectKey);
        generatePresignedUrlRequest.setMethod(HttpMethod.PUT);
        generatePresignedUrlRequest.setExpiration(expiration);

        //                        s3client.putObject(bucketName, objectKey, null);

        URL url = s3client.generatePresignedUrl(generatePresignedUrlRequest);
        UploadObject(url);

        System.out.println("Pre-Signed URL = " + url.toString());
    } catch (AmazonServiceException exception) {
        System.out.println("Caught an AmazonServiceException, " + "which means your request made it "
                + "to Amazon S3, but was rejected with an error response " + "for some reason.");
        System.out.println("Error Message: " + exception.getMessage());
        System.out.println("HTTP  Code: " + exception.getStatusCode());
        System.out.println("AWS Error Code:" + exception.getErrorCode());
        System.out.println("Error Type:    " + exception.getErrorType());
        System.out.println("Request ID:    " + exception.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, " + "which means the client encountered "
                + "an internal error while trying to communicate" + " with S3, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

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