// snippet-comment:[These are tags for the AWS doc team's sample catalog. Do not remove.]
// snippet-sourcedescription:[GeneratePresignedUrlAndUploadObject.java demonstrates how to use the S3Presigner client object to create a presigned URL and upload an object to a S3 bucket]
// snippet-service:[S3]
// snippet-keyword:[Java]
// snippet-keyword:[Amazon S3]
// snippet-keyword:[Code Sample]
// snippet-sourcetype:[full-example]
//snippet-sourcedate:[2/6/2020]
//snippet-sourceauthor:[scmacdon-aws]

/**
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * This file is licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License. A copy of
 * the License is located at
 *
 * http://aws.amazon.com/apache2.0/
 *
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 */
package com.example.s3;

// snippet-start:[presigned.java2.generatepresignedurl.import]
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.time.Duration;

import software.amazon.awssdk.services.s3.model.ObjectCannedACL;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.services.s3.presigner.model.PresignedPutObjectRequest;
import software.amazon.awssdk.services.s3.presigner.S3Presigner;
import software.amazon.awssdk.services.s3.presigner.model.PutObjectPresignRequest;
// snippet-end:[presigned.java2.generatepresignedurl.import]

public class GeneratePresignedUrlAndUploadObject {

    public static void main(String[] args) {

        if (args.length < 2) {
            System.out.println("Please specify a bucket name and a key name that represents a PDF document");
            System.exit(1);
        }

        String bucketName = args[0];
        String keyName = args[1];

        // Create a S3Presigner by using the default AWS Region and credentials
        S3Presigner presigner = S3Presigner.create();
        signBucket(presigner, bucketName, keyName);
    }

    // snippet-start:[presigned.java2.generatepresignedurl.main]
    public static void signBucket(S3Presigner presigner, String bucketName, String keyName) {

        try {

            // Use a PutObjectRequest to set additional values
            PutObjectRequest objectRequest = PutObjectRequest.builder()
                    .bucket(bucketName)
                    .key(keyName)
                    .contentType("text/plain")
                    .build();

            PutObjectPresignRequest presignRequest = PutObjectPresignRequest.builder()
                    .signatureDuration(Duration.ofMinutes(10))
                    .putObjectRequest(objectRequest)
                    .build();

            PresignedPutObjectRequest presignedRequest = presigner.presignPutObject(presignRequest);

            System.out.println("Pre-signed URL to upload a file to: " +
                    presignedRequest.url());
            System.out.println("Which HTTP method needs to be used when uploading a file: " +
                    presignedRequest.httpRequest().method());

            // Upload content to the bucket by using this URL
            URL url = presignedRequest.url();

            // Create the connection and use it to upload the new object by using the pre-signed URL
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setDoOutput(true);
            connection.setRequestProperty("Content-Type","text/plain");
            connection.setRequestMethod("PUT");
            OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
            out.write("This text uploaded as an object via presigned URL.");
            out.close();

            connection.getResponseCode();
            System.out.println("HTTP response code: " + connection.getResponseCode());

            /*
            *  It's recommended that you close the S3Presigner when it is done being used, because some credential
            * providers (e.g. if your AWS profile is configured to assume an STS role) require system resources
            * that need to be freed. If you are using one S3Presigner per application (as recommended), this
            * usually isn't needed
            */
            presigner.close();

        } catch (S3Exception e) {
            e.getStackTrace();
        } catch (IOException e) {
            e.getStackTrace();
        }
        // snippet-end:[presigned.java2.generatepresignedurl.main]
    }
}

@@ -1982,20 +1982,17 @@
 s a 
-PDF document
+text file
 %22);%0A

Update GeneratePresignedUrlAndUploadObject.java