| /* |
| * Copyright 2011-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| * |
| * 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 |
| * |
| * or in the "license" file accompanying this file. 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.amazonaws.auth.profile.internal; |
| |
| import com.amazonaws.annotation.Immutable; |
| import com.amazonaws.annotation.SdkInternalApi; |
| import com.amazonaws.util.StringUtils; |
| |
| /** |
| * Loads profile name from the usual places or uses the default profile name. |
| */ |
| @SdkInternalApi |
| @Immutable |
| public class AwsProfileNameLoader { |
| |
| /** |
| * Name of the default profile as specified in the configuration file. |
| */ |
| public static final String DEFAULT_PROFILE_NAME = "default"; |
| |
| /** |
| * Environment variable name for overriding the default AWS profile |
| */ |
| public static final String AWS_PROFILE_ENVIRONMENT_VARIABLE = "AWS_PROFILE"; |
| |
| /** |
| * System property name for overriding the default AWS profile |
| */ |
| public static final String AWS_PROFILE_SYSTEM_PROPERTY = "aws.profile"; |
| |
| public static final AwsProfileNameLoader INSTANCE = new AwsProfileNameLoader(); |
| |
| private AwsProfileNameLoader() { |
| } |
| |
| /** |
| * TODO The order would make more sense as System Property, Environment Variable, Default |
| * Profile name but we have to keep the current order for backwards compatiblity. Consider |
| * changing this in a future major version. |
| */ |
| public final String loadProfileName() { |
| final String profileEnvVarOverride = getEnvProfileName(); |
| if (!StringUtils.isNullOrEmpty(profileEnvVarOverride)) { |
| return profileEnvVarOverride; |
| } else { |
| final String profileSysPropOverride = getSysPropertyProfileName(); |
| if (!StringUtils.isNullOrEmpty(profileSysPropOverride)) { |
| return profileSysPropOverride; |
| } else { |
| return DEFAULT_PROFILE_NAME; |
| } |
| } |
| } |
| |
| private String getSysPropertyProfileName() { |
| return StringUtils.trim(System.getProperty(AWS_PROFILE_SYSTEM_PROPERTY)); |
| } |
| |
| private String getEnvProfileName() { |
| return StringUtils.trim(System.getenv(AWS_PROFILE_ENVIRONMENT_VARIABLE)); |
| } |
| } |