FakeCredentials.java

/*
 * Copyright 2016 Google Inc. 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.
 * 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 com.google.cloud.pubsub;

import com.google.auth.Credentials;
import java.io.IOException;
import java.net.URI;
import java.util.List;
import java.util.Map;

/**
 * Fake {@link Credentials}, meant to be used with an in-memory gRPC server.
 */
class FakeCredentials extends Credentials {
  @Override
  public String getAuthenticationType() {
    return "None";
  }

  @Override
  public Map<String, List<String>> getRequestMetadata() throws IOException {
    return null;
  }

  @Override
  public Map<String, List<String>> getRequestMetadata(URI uri) throws IOException {
    return null;
  }

  @Override
  public boolean hasRequestMetadata() {
    return false;
  }

  @Override
  public boolean hasRequestMetadataOnly() {
    return true;
  }

  @Override
  public void refresh() throws IOException { 
    // No-op
  }
}