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.causeway.viewer.restfulobjects.client.auth;
  
  import org.apache.causeway.viewer.restfulobjects.client.RestfulClientConfig;
  import org.apache.causeway.viewer.restfulobjects.client.auth.basic.AuthorizationHeaderFactoryBasic;
  import org.apache.causeway.viewer.restfulobjects.client.auth.oauth2.azure.AuthorizationHeaderFactoryOauth2Azure;
  
  public interface AuthorizationHeaderFactory {
  
      static AuthorizationHeaderFactory factoryFor(
              final RestfulClientConfig restfulClientConfig) {
          var authenticationMode = restfulClientConfig.getAuthenticationMode();
          if (authenticationMode == null) {
              throw new IllegalArgumentException("config.authenticationMode must be set");
          }
  
          switch (authenticationMode) {
              case BASIC:
                  return new AuthorizationHeaderFactoryBasic(restfulClientConfig);
              case OAUTH2_AZURE:
                  return new AuthorizationHeaderFactoryOauth2Azure(restfulClientConfig);
              default:
                  throw new IllegalArgumentException(String.format("unknown authenticationMode '%s'", authenticationMode));
          }
      }
  
      String create();
  }
  