| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License 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 org.apache.hadoop.fs.s3a.auth; |
| |
| import javax.annotation.Nullable; |
| import java.net.URI; |
| |
| import com.amazonaws.auth.AWSCredentialsProvider; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| /** |
| * Base class for AWS credential providers which |
| * take a URI and config in their constructor. |
| */ |
| public abstract class AbstractAWSCredentialProvider |
| implements AWSCredentialsProvider { |
| |
| private final URI binding; |
| |
| private final Configuration conf; |
| |
| /** |
| * Construct from URI + configuration. |
| * @param uri URI: may be null. |
| * @param conf configuration. |
| */ |
| protected AbstractAWSCredentialProvider( |
| @Nullable final URI uri, |
| final Configuration conf) { |
| this.conf = conf; |
| this.binding = uri; |
| } |
| |
| public Configuration getConf() { |
| return conf; |
| } |
| |
| /** |
| * Get the binding URI: may be null. |
| * @return the URI this instance was constructed with, |
| * if any. |
| */ |
| public URI getUri() { |
| return binding; |
| } |
| |
| /** |
| * Refresh is a no-op by default. |
| */ |
| @Override |
| public void refresh() { |
| } |
| } |