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.celeborn.rest.v1.worker.invoker.auth;
  
  import org.apache.celeborn.rest.v1.worker.invoker.Pair;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  import java.util.function.Supplier;
  
  @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.8.0")
  public class HttpBearerAuth implements Authentication {
    private final String scheme;
    private Supplier<String> tokenSupplier;
  
    public HttpBearerAuth(String scheme) {
      this.scheme = scheme;
    }
  
    /**
     * Gets the token, which together with the scheme, will be sent as the value of the Authorization header.
     *
     * @return The bearer token
     */
    public String getBearerToken() {
      return tokenSupplier.get();
    }
  
    /**
     * Sets the token, which together with the scheme, will be sent as the value of the Authorization header.
     *
     * @param bearerToken The bearer token to send in the Authorization header
     */
    public void setBearerToken(String bearerToken) {
      this.tokenSupplier = () -> bearerToken;
    }
  
    /**
     * Sets the supplier of tokens, which together with the scheme, will be sent as the value of the Authorization header.
     *
     * @param tokenSupplier The supplier of bearer tokens to send in the Authorization header
     */
    public void setBearerToken(Supplier<String> tokenSupplier) {
      this.tokenSupplier = tokenSupplier;
    }
  
    @Override
    public void applyToParams(List<Pair> queryParams, Map<String, String> headerParams, Map<String, String> cookieParams) {
      String bearerToken = Optional.ofNullable(tokenSupplier).map(Supplier::get).orElse(null);
      if (bearerToken == null) {
        return;
      }
  
      headerParams.put("Authorization", (scheme != null ? upperCaseBearer(scheme) + " " : "") + bearerToken);
    }
  
    private static String upperCaseBearer(String scheme) {
      return ("bearer".equalsIgnoreCase(scheme)) ? "Bearer" : scheme;
    }
  }
  