content: /*
   * Copyright 2017-2025 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.cloud.services.core.commands;
  
  import java.util.Map;
  import java.util.Set;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  import org.activiti.api.model.shared.EmptyResult;
  import org.activiti.api.model.shared.Payload;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.security.core.context.SecurityContextHolder;
  
  public class CommandEndpoint<T extends Payload> {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(CommandEndpoint.class);
      private Map<String, CommandExecutor<T>> commandExecutors;
  
      public CommandEndpoint(Set<CommandExecutor<T>> cmdExecutors) {
          this.commandExecutors =
              cmdExecutors.stream().collect(Collectors.toMap(CommandExecutor::getHandledType, Function.identity()));
      }
  
      public <R> R execute(T payload) {
          SecurityContextHolder.getContext().setAuthentication(new CommandEndpointAdminAuthentication());
          try {
              return (R) processCommand(payload);
          } finally {
              SecurityContextHolder.clearContext();
          }
      }
  
      private Object processCommand(T payload) {
          CommandExecutor<T> cmdExecutor = commandExecutors.get(payload.getClass().getName());
          if (cmdExecutor != null) {
              return cmdExecutor.execute(payload);
          } else {
              LOGGER.warn(">>> No Command Found for type: " + payload.getClass());
          }
  
          return new EmptyResult();
      }
  }
  