content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org and other contributors.                    ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.sensitive.metric;
  
  import org.miaixz.bus.core.lang.Normal;
  import org.miaixz.bus.core.xyz.CollKit;
  import org.miaixz.bus.core.xyz.ObjectKit;
  import org.miaixz.bus.core.xyz.StringKit;
  import org.miaixz.bus.extra.emoji.EmojiKit;
  import org.miaixz.bus.sensitive.Context;
  import org.miaixz.bus.sensitive.magic.annotation.Shield;
  
  /**
   * 中文名称脱敏策略：
   * <p>
   * 0. 少于等于1个字 直接返回 1. 两个字 隐藏姓 2. 三个及其以上 只保留第一个和最后一个 其他用星号代替
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  public class NameProvider extends AbstractProvider {
  
      /**
       * 脱敏中文名称
       *
       * @param value 中文名称
       * @return 脱敏后的结果
       */
      private static String name(final String value, final String shadow) {
          if (StringKit.isEmpty(value)) {
              return value;
          }
          if (CollKit.isNotEmpty(EmojiKit.extractEmojis(value))) {
              return value;
          }
          final int nameLength = value.length();
          if (1 == nameLength) {
              return value;
          }
  
          if (2 == nameLength) {
              return shadow + value.charAt(1);
          }
  
          StringBuilder stringBuffer = new StringBuilder();
          stringBuffer.append(value.charAt(0));
          for (int i = 0; i < nameLength - 2; i++) {
              stringBuffer.append(shadow);
          }
          stringBuffer.append(value.charAt(nameLength - 1));
          return stringBuffer.toString();
      }
  
      @Override
      public Object build(Object object, Context context) {
          if (ObjectKit.isEmpty(object)) {
              return null;
          }
          final Shield shield = context.getShield();
          return this.name(ObjectKit.isNull(object) ? Normal.EMPTY : object.toString(), shield.shadow());
      }
  
  }
  