content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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 com.aliyun.fastmodel.transform.excel.spi;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import com.google.common.base.Preconditions;
  import lombok.Getter;
  
  /**
   * sheet的名字，是否普通的类，还是变量类
   *
   * @author panguanjing
   * @date 2021/5/16
   */
  @Getter
  public class SheetName {
  
      private final String name;
  
      private final boolean isVariable;
  
      private String target = null;
  
      private final Pattern pattern = Pattern.compile("\\$\\{(\\w+\\.?\\w+)}");
  
      public SheetName(String name) {
          Preconditions.checkNotNull(name, "name can't be null");
          this.name = name;
          Matcher matcher = pattern.matcher(name);
          isVariable = matcher.find();
          if (isVariable) {
              target = matcher.group(1);
          }
      }
  
  }
  