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 jakarta.annotation.PostConstruct;
  import lombok.EqualsAndHashCode;
  import lombok.extern.slf4j.Slf4j;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.stereotype.Component;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Serializable;
  import java.util.jar.Attributes;
  import java.util.jar.Manifest;
  
  /**
   * Информация о сервере. Автоматически заполняется на основании данных о версии и имени приложения.
   */
  @Slf4j
  @EqualsAndHashCode(exclude = "applicationName", callSuper = true)
  @Component
  public class AutoServerInfo extends org.eclipse.lsp4j.ServerInfo implements Serializable {
  
    private static final String MANIFEST_VERSION = readVersion();
  
    @SuppressWarnings("FieldMayBeFinal")
    @Value("${spring.application.name:Dummy Language Server}")
    // Field is transient to exclude it from GSON serialization in jsonrpc.
    private transient String applicationName = "";
  
    @PostConstruct
    private void init() {
      setName(applicationName);
      setVersion(MANIFEST_VERSION);
    }
  
    private static String readVersion() {
      final InputStream mfStream = Thread.currentThread()
        .getContextClassLoader()
        .getResourceAsStream("META-INF/MANIFEST.MF");
  
      Manifest manifest = new Manifest();
      try {
        manifest.read(mfStream);
      } catch (IOException e) {
        LOGGER.error("Can't read manifest", e);
        return "";
      }
  
      return manifest.getMainAttributes().getValue(Attributes.Name.IMPLEMENTATION_VERSION);
    }
  
  }
  