content: package com.alibaba.excel.analysis.v07.handlers;
  
  import org.xml.sax.Attributes;
  
  import com.alibaba.excel.constant.ExcelXmlConstants;
  import com.alibaba.excel.context.xlsx.XlsxReadContext;
  import com.alibaba.excel.enums.CellExtraTypeEnum;
  import com.alibaba.excel.metadata.CellExtra;
  import com.alibaba.excel.util.StringUtils;
  
  /**
   * Cell Handler
   *
   * @author Jiaju Zhuang
   */
  public class MergeCellTagHandler extends AbstractXlsxTagHandler {
  
      @Override
      public boolean support(XlsxReadContext xlsxReadContext) {
          return xlsxReadContext.readWorkbookHolder().getExtraReadSet().contains(CellExtraTypeEnum.MERGE);
      }
  
      @Override
      public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) {
          String ref = attributes.getValue(ExcelXmlConstants.ATTRIBUTE_REF);
          if (StringUtils.isEmpty(ref)) {
              return;
          }
          CellExtra cellExtra = new CellExtra(CellExtraTypeEnum.MERGE, null, ref);
          xlsxReadContext.readSheetHolder().setCellExtra(cellExtra);
          xlsxReadContext.analysisEventProcessor().extra(xlsxReadContext);
      }
  
  }
  