package com.hp.nova.common.tasksync.awss3;

 import java.io.File;

 import java.io.IOException;

 import com.amazonaws.AmazonServiceException;

 import com.amazonaws.SdkClientException;

 import com.amazonaws.auth.AWSCredentials;

 import com.amazonaws.auth.AWSStaticCredentialsProvider;

 import com.amazonaws.auth.BasicAWSCredentials;

 import com.amazonaws.auth.profile.ProfileCredentialsProvider;

 import com.amazonaws.services.s3.AmazonS3;

 import com.amazonaws.services.s3.AmazonS3ClientBuilder;

 import com.amazonaws.services.s3.model.ObjectMetadata;

 import com.amazonaws.services.s3.model.PutObjectRequest;

 public class UploadObject {

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

         String clientRegion = "cn-northwest-1";

         String bucketName = "nova-test";

         String stringObjKeyName = "novatestkey";

         String fileObjKeyName = "test.txt";

         String fileName = "C:/nova_work_document/test.txt";

         try {

             AWSCredentials awsCredentials = new BasicAWSCredentials("Access key ID", "Secret access key");

             AmazonS3 s3Client = AmazonS3ClientBuilder.standard()

                     .withRegion(clientRegion)

                     .withCredentials(new AWSStaticCredentialsProvider(awsCredentials))

                     .build();

             // Upload a text string as a new object.

             s3Client.putObject(bucketName, stringObjKeyName, "Uploaded String Object");

             // Upload a file as a new object with ContentType and title specified.

             PutObjectRequest request = new PutObjectRequest(bucketName, fileObjKeyName, new File(fileName));

             ObjectMetadata metadata = new ObjectMetadata();

             metadata.setContentType("plain/text");

             metadata.addUserMetadata("x-amz-meta-title", "someTitle");

             request.setMetadata(metadata);

             s3Client.putObject(request);

         }

         catch(AmazonServiceException e) {

             // The call was transmitted successfully, but Amazon S3 couldn't process

             // it, so it returned an error response.

             e.printStackTrace();

         }

         catch(SdkClientException e) {

             // Amazon S3 couldn't be contacted for a response, or the client

             // couldn't parse the response from Amazon S3.

             e.printStackTrace();

         }

     }

 }