apache poi - DateUtil.isCellDateFormatted(Cell cell) not working in java p o i -


enter image description here

this input in cell a4 there date. how can in java program . dateutil.iscelldateformated(cell) not working . have used dataformatter giving me no of days. enter image description here

public string getdatavalueasstring(cell cell){     string value = null;     celltype type = cell.getcelltypeenum();     dataformatter dataformat = new dataformatter();     creationhelper ch = null;     switch(type){         case blank:             value = "";             break;         case boolean:             value = string.valueof(cell.getbooleancellvalue());             break;         case error:             value = dataformat.formatcellvalue(cell);             break;         case formula:             formulaevaluator evaluator = cell.getsheet().getworkbook().getcreationhelper().createformulaevaluator();             value = dataformat.formatcellvalue(cell, evaluator);             break;         case numeric:             if(dateutil.iscelldateformatted(cell)){                 system.out.println("cell date formatted : ");                 ch = cell.getsheet().getworkbook().getcreationhelper();                 short formatindex = ch.createdataformat().getformat(cell.getcellstyle().getdataformatstring());                 system.out.println("format index : "+formatindex);                 string format = cell.getcellstyle().getdataformatstring();                 system.out.println("format : "+format);             }else{                 //value = string.valueof(cell.getnumericcellvalue());                 value = dataformat.formatcellvalue(cell);             }             break;         case string:             value = cell.getstringcellvalue();             break;         default:             value = dataformat.formatcellvalue(cell);     }     return value; }

it seems can try use cell.html#getdatecellvalue() method.

some quick example:

import org.apache.poi.hssf.usermodel.hssfsheet; import org.apache.poi.hssf.usermodel.hssfworkbook; import org.apache.poi.ss.usermodel.cell; import org.apache.poi.ss.usermodel.dataformatter; import org.apache.poi.ss.usermodel.row;  import java.io.file; import java.io.fileinputstream; import java.io.ioexception; import java.text.simpledateformat; import java.util.date; import java.util.iterator;  public class externalcaller {      public static final string mm_dd_yyyy = "mm/dd/yyyy";      public static void main(string... args) throws ioexception {         fileinputstream file = new fileinputstream(new file("d:\\test.xls"));         hssfworkbook workbook = new hssfworkbook(file);         hssfsheet sheet = workbook.getsheetat(0);         iterator<row> rowiterator = sheet.iterator();         while (rowiterator.hasnext()) {             row row = rowiterator.next();             iterator<cell> celliterator = row.celliterator();             while (celliterator.hasnext()) {                 cell cell = celliterator.next();                 int celltype = cell.getcelltype();                 try {                     determinevalue(celltype, cell);                 } catch (unsupportedoperationexception ex) {                     system.out.println(ex.getmessage());                 }             }         }     }      public static void determinevalue(int celltype, cell cell) {         switch (celltype) {             case cell.cell_type_numeric:                 determinedate(cell);                 break;             case cell.cell_type_string:                 system.out.println(cell.getstringcellvalue());                 break;             default:                 throw new unsupportedoperationexception("this type of cell should additionally implemented");         }     }      private static void determinedate(cell cell) {         short dataformat = cell.getcellstyle().getdataformat();          if (14 == dataformat) {             date datecellvalue = cell.getdatecellvalue();             system.out.println(new simpledateformat(mm_dd_yyyy).format(datecellvalue));         } else {             system.out.println(new dataformatter().formatcellvalue(cell));         }     } }

the output cell

enter image description here

will be:

123.0546 killme 78% 11/22/1995 type of cell should additionally implemented 1190

please let me know if works you, otherwise remove answer.


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