content: /*
   * 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.beam.runners.dataflow.worker.windmill.client.grpc.auth;
  
  import java.io.IOException;
  import java.net.URI;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.Executor;
  
  /**
   * Create a wrapper around credentials that delegates to the underlying {@link
   * com.google.auth.Credentials}. Note that this class should override every method that is not final
   * and not static and call the delegate directly.
   *
   * <p>TODO: Replace this with an auto generated proxy which calls the underlying implementation
   * delegate to reduce maintenance burden.
   */
  public class VendoredCredentialsAdapter
      extends org.apache.beam.vendor.grpc.v1p69p0.com.google.auth.Credentials {
  
    private final com.google.auth.Credentials credentials;
  
    public VendoredCredentialsAdapter(com.google.auth.Credentials credentials) {
      this.credentials = credentials;
    }
  
    @Override
    public String getAuthenticationType() {
      return credentials.getAuthenticationType();
    }
  
    @Override
    public Map<String, List<String>> getRequestMetadata() throws IOException {
      return credentials.getRequestMetadata();
    }
  
    @Override
    public void getRequestMetadata(
        final URI uri,
        Executor executor,
        final org.apache.beam.vendor.grpc.v1p69p0.com.google.auth.RequestMetadataCallback callback) {
      credentials.getRequestMetadata(
          uri, executor, new VendoredRequestMetadataCallbackAdapter(callback));
    }
  
    @Override
    public Map<String, List<String>> getRequestMetadata(URI uri) throws IOException {
      return credentials.getRequestMetadata(uri);
    }
  
    @Override
    public boolean hasRequestMetadata() {
      return credentials.hasRequestMetadata();
    }
  
    @Override
    public boolean hasRequestMetadataOnly() {
      return credentials.hasRequestMetadataOnly();
    }
  
    @Override
    public void refresh() throws IOException {
      credentials.refresh();
    }
  }
  