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.Symbol;
  import org.miaixz.bus.core.xyz.CollKit;
  import org.miaixz.bus.core.xyz.ObjectKit;
  import org.miaixz.bus.extra.emoji.EmojiKit;
  import org.miaixz.bus.sensitive.Context;
  
  /**
   * 默认脱敏处理类
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  public class DafaultProvider extends AbstractProvider {
  
      @Override
      public Object build(Object object, Context context) {
          if (ObjectKit.isEmpty(object)) {
              return null;
          }
  
          String value = object.toString();
  
          if (CollKit.isNotEmpty(EmojiKit.extractEmojis(value))) {
              return value;
          }
  
          final int SIZE = 6;
          final int TWO = 2;
          final String SYMBOL = Symbol.STAR;
  
          int len = value.length();
          int pamaone = len / TWO;
          int pamatwo = pamaone - 1;
          int pamathree = len % TWO;
          StringBuilder stringBuilder = new StringBuilder();
          if (len <= TWO) {
              if (pamathree == 1) {
                  return SYMBOL;
              }
              stringBuilder.append(SYMBOL);
              stringBuilder.append(value.charAt(len - 1));
          } else {
              if (pamatwo <= 0) {
                  stringBuilder.append(value.substring(0, 1));
                  stringBuilder.append(SYMBOL);
                  stringBuilder.append(value.substring(len - 1, len));
  
              } else if (pamatwo >= SIZE / TWO && SIZE + 1 != len) {
                  int pamafive = (len - SIZE) / 2;
                  stringBuilder.append(value.substring(0, pamafive));
                  for (int i = 0; i < SIZE; i++) {
                      stringBuilder.append(SYMBOL);
                  }
  
                  if ((pamathree == 0 && SIZE / 2 == 0) || (pamathree != 0 && SIZE % 2 != 0)) {
                      stringBuilder.append(value.substring(len - pamafive, len));
                  } else {
                      stringBuilder.append(value.substring(len - (pamafive + 1), len));
                  }
              } else {
                  int pamafour = len - 2;
                  stringBuilder.append(value.substring(0, 1));
                  for (int i = 0; i < pamafour; i++) {
                      stringBuilder.append(SYMBOL);
                  }
                  stringBuilder.append(value.substring(len - 1, len));
              }
          }
          return stringBuilder.toString();
      }
  
  }
  