content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.core.common.spring.security;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  import java.util.stream.Collectors;
  import org.springframework.lang.NonNull;
  import org.springframework.security.core.GrantedAuthority;
  
  public abstract class AbstractSimpleGrantedAuthoritiesMapper {
  
      protected static List<String> getAuthoritesFilteredByPrefix(
          @NonNull Collection<? extends GrantedAuthority> authorities,
          @NonNull String prefix
      ) {
          return authorities
              .stream()
              .map(GrantedAuthority::getAuthority)
              .filter(a -> a.startsWith(prefix))
              .map(a -> a.substring(prefix.length()))
              .collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
      }
  }
  