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.webapp;
  
  import lombok.AllArgsConstructor;
  import lombok.Builder;
  import lombok.Data;
  import lombok.NoArgsConstructor;
  
  @Data
  @Builder
  @NoArgsConstructor
  @AllArgsConstructor
  public class Configuration {
    private String serverPort;
    private String oapServices;
    private String zipkinServices;
  
    public int port() {
      return serverPort == null || serverPort.trim().length() == 0
        ? 80
        : Integer.parseInt(serverPort);
    }
  
    public String[] oapServices() {
      if (oapServices == null || oapServices.trim().length() == 0) {
        throw new IllegalArgumentException("oapServices cannot be null or empty");
      }
      return oapServices.split(",");
    }
  
    public String[] zipkinServices() {
      if (zipkinServices == null || zipkinServices.trim().length() == 0) {
        throw new IllegalArgumentException("zipkinServices cannot be null or empty");
      }
      return zipkinServices.split(",");
    }
  }
  