code: /*
   * 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.skywalking.oap.server.tool.profile.exporter;
  
  import lombok.Data;
  
  import java.io.File;
  
  @Data
  public class ExporterConfig {
  
      // profile task id
      private String taskId;
  
      // profiled trace id
      private String traceId;
  
      // export to file path
      private String analyzeResultDist;
  
      /**
       * parse config from command line
       */
      public static ExporterConfig parse(String[] args) {
          if (args == null || args.length != 3) {
              throw new IllegalArgumentException("missing config, please recheck");
          }
  
          // build config
          ExporterConfig config = new ExporterConfig();
          config.setTaskId(args[0]);
          config.setTraceId(args[1]);
          config.setAnalyzeResultDist(args[2]);
  
          return config;
      }
  
      /**
       * initialize config, such as check dist path
       */
      public void init() {
          File dist = new File(analyzeResultDist);
          if (!dist.exists()) {
              dist.mkdirs();
              return;
          }
  
          if (dist.isFile()) {
              throw new IllegalArgumentException(analyzeResultDist + " must be a directory");
          }
      }
  }
  