1 /*
2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License").
5 * You may not use this file except in compliance with the License.
6 * A copy of the License is located at
7 *
8 * http://aws.amazon.com/apache2.0
9 *
10 * or in the "license" file accompanying this file. This file is distributed
11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
12 * express or implied. See the License for the specific language governing
13 * permissions and limitations under the License.
14 */
15
16 package software.amazon.awssdk.services.s3.internal.handlers;
17
18 import software.amazon.awssdk.annotations.SdkInternalApi;
19 import software.amazon.awssdk.core.interceptor.Context;
20 import software.amazon.awssdk.core.interceptor.ExecutionAttributes;
21 import software.amazon.awssdk.core.interceptor.ExecutionInterceptor;
22 import software.amazon.awssdk.http.SdkHttpRequest;
23 import software.amazon.awssdk.services.s3.model.PutObjectRequest;
24
25 /**
26 * Interceptor to add an 'Expect: 100-continue' header to the HTTP Request if it represents a PUT Object request.
27 */
28 @SdkInternalApi
29 //TODO: This should be generalized for all streaming requests
30 public final class PutObjectInterceptor implements ExecutionInterceptor {
31 @Override
32 public SdkHttpRequest modifyHttpRequest(Context.ModifyHttpRequest context,
33 ExecutionAttributes executionAttributes) {
34 if (context.request() instanceof PutObjectRequest) {
35 return context.httpRequest().toBuilder().putHeader("Expect", "100-continue").build();
36 }
37 return context.httpRequest();
38 }
39 }
40