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.core.security.authentication;
  
  import java.util.Collection;
  import java.util.Set;
  import java.util.stream.Stream;
  
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.commons.internal.base._Strings;
  import org.apache.causeway.commons.internal.collections._Sets;
  
  import static org.apache.causeway.commons.internal.base._NullSafe.stream;
  
  public abstract class AuthenticationRequestAbstract
  implements AuthenticationRequest {
  
      private final String name;
      private final Set<String> roles = _Sets.newHashSet();
  
      public AuthenticationRequestAbstract(final String name) {
          this.name = name;
      }
  
      @Override
      public String getName() {
          return name;
      }
  
      @Override
      public Stream<String> streamRoles() {
          return roles.stream();
      }
  
      /**
       * Add a role to associate with the account.
       *
       * <p>
       * Null or empty roles are ignored.
       * </p>
       *
       * @apiNote this is not part of the {@link AuthenticationRequest} API.
       *
       * @param role
       * @since 2.0
       */
      public void addRole(final String role) {
          if(_Strings.isNullOrEmpty(role)) {
              return; // ignore
          }
          this.roles.add(role);
      }
  
      public void addRoles(final @Nullable Collection<String> roles) {
          stream(roles)
                  .forEach(this::addRole);
      }
  
  }
  