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.auth.credentials;
17
18 import software.amazon.awssdk.annotations.SdkPublicApi;
19 import software.amazon.awssdk.utils.ToString;
20 import software.amazon.awssdk.utils.Validate;
21
22 /**
23 * An implementation of {@link AwsCredentialsProvider} that returns a set implementation of {@link AwsCredentials}.
24 */
25 @SdkPublicApi
26 public final class StaticCredentialsProvider implements AwsCredentialsProvider {
27 private final AwsCredentials credentials;
28
29 private StaticCredentialsProvider(AwsCredentials credentials) {
30 this.credentials = Validate.notNull(credentials, "Credentials must not be null.");
31 }
32
33 /**
34 * Create a credentials provider that always returns the provided set of credentials.
35 */
36 public static StaticCredentialsProvider create(AwsCredentials credentials) {
37 return new StaticCredentialsProvider(credentials);
38 }
39
40 @Override
41 public AwsCredentials resolveCredentials() {
42 return credentials;
43 }
44
45 @Override
46 public String toString() {
47 return ToString.builder("StaticCredentialsProvider")
48 .add("credentials", credentials)
49 .build();
50 }
51 }
52