1 /*
2 * Copyright 2011-2020 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 package com.amazonaws.profile.path.cred;
16
17 import com.amazonaws.annotation.SdkInternalApi;
18 import com.amazonaws.profile.path.AwsProfileFileLocationProvider;
19
20 import java.io.File;
21
22 /**
23 * If {@value #CREDENTIAL_PROFILES_FILE_ENVIRONMENT_VARIABLE} environment variable is set then the
24 * shared credentials file is source from it's location.
25 */
26 @SdkInternalApi
27 public class CredentialsEnvVarOverrideLocationProvider implements AwsProfileFileLocationProvider {
28
29 private static final String CREDENTIAL_PROFILES_FILE_ENVIRONMENT_VARIABLE = "AWS_CREDENTIAL_PROFILES_FILE";
30
31 @Override
32 public File getLocation() {
33 String credentialProfilesFileOverride = System
34 .getenv(CREDENTIAL_PROFILES_FILE_ENVIRONMENT_VARIABLE);
35 if (credentialProfilesFileOverride == null) {
36 return null;
37 } else {
38 return new File(credentialProfilesFileOverride);
39 }
40 }
41 }
42