| /* |
| * 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.profile.path; |
| |
| import com.amazonaws.annotation.SdkInternalApi; |
| import com.amazonaws.profile.path.AwsProfileFileLocationProvider; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Delegates to a chain of {@link AwsProfileFileLocationProvider}. Returns null if no provider in |
| * the chain can come up with a location to the shared credentials file. |
| */ |
| @SdkInternalApi |
| public class AwsProfileFileLocationProviderChain implements AwsProfileFileLocationProvider { |
| |
| private final List<AwsProfileFileLocationProvider> providers = new ArrayList<AwsProfileFileLocationProvider>(); |
| |
| public AwsProfileFileLocationProviderChain(AwsProfileFileLocationProvider... providers) { |
| Collections.addAll(this.providers, providers); |
| } |
| |
| @Override |
| public File getLocation() { |
| for (AwsProfileFileLocationProvider provider : providers) { |
| File path = provider.getLocation(); |
| if (path != null) { |
| return path; |
| } |
| } |
| return null; |
| } |
| } |