content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> and contributors
   *
   * SPDX-License-Identifier: LGPL-3.0-or-later
   *
   * BSL Language Server is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 3.0 of the License, or (at your option) any later version.
   *
   * BSL Language Server is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with BSL Language Server.
   */
  package com.github._1c_syntax.bsl.languageserver;
  
  import edu.umd.cs.findbugs.annotations.Nullable;
  import lombok.NoArgsConstructor;
  import org.eclipse.lsp4j.services.LanguageClient;
  import org.eclipse.lsp4j.services.LanguageClientAware;
  import org.springframework.stereotype.Component;
  
  import java.util.Optional;
  import java.util.function.Consumer;
  
  /**
   * Null-safe bridge для получения возможно подключенного LanguageClient
   * в виде зависимости.
   */
  @Component
  @NoArgsConstructor
  public class LanguageClientHolder implements LanguageClientAware {
  
    @Nullable
    private LanguageClient client;
  
    /**
     * Получить LanguageClient, если он был подключен.
     *
     * @return LanguageClient, если он был подключен.
     */
    public Optional<LanguageClient> getClient() {
      return Optional.ofNullable(client);
    }
  
    /**
     * LanguageClient подключен.
     *
     * @return LanguageClient подключен.
     */
    public boolean isConnected() {
      return client != null;
    }
  
    public void execIfConnected(Consumer<LanguageClient> consumer) {
      getClient().ifPresent(consumer);
    }
  
    /**
     * Выполнить подключение LanguageClient.
     * <p>
     * Метод является частью API LSP4J.
     *
     * @param client LanguageClient для подключения.
     */
    @Override
    public void connect(LanguageClient client) {
      this.client = client;
    }
  }
  