Bug 63960: Write pre-evaluated string-values in formula cells with the correct type

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1872130 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ss/usermodel/Cell.java

@@ -132,12 +132,9 @@ public interface Cell {
     /**
      * Only valid for formula cells
      *
-     * Will return {@link CellType} in a future version of POI.
-     * For forwards compatibility, do not hard-code cell type literals in your code.
-     *
      * @return one of ({@link CellType#NUMERIC}, {@link CellType#STRING},
      *     {@link CellType#BOOLEAN}, {@link CellType#ERROR}) depending
-     * on the cached value of the formula
+     *      on the cached value of the formula
      */
     CellType getCachedFormulaResultType();
 

src/ooxml/java/org/apache/poi/xssf/streaming/SheetDataWriter.java

@@ -53,7 +53,7 @@ import org.openxmlformats.schemas.spreadsheetml.x2006.main.STCellType;
  */
 public class SheetDataWriter implements Closeable {
     private static final POILogger logger = POILogFactory.getLogger(SheetDataWriter.class);
-    
+
     private final File _fd;
     private final Writer _out;
     private int _rownum;
@@ -78,11 +78,11 @@ public class SheetDataWriter implements Closeable {
         this._sharedStringSource = sharedStringsTable;
     }
     /**
-     * Create a temp file to write sheet data. 
+     * Create a temp file to write sheet data.
      * By default, temp files are created in the default temporary-file directory
-     * with a prefix "poi-sxssf-sheet" and suffix ".xml".  Subclasses can override 
+     * with a prefix "poi-sxssf-sheet" and suffix ".xml".  Subclasses can override
      * it and specify a different temp directory or filename or suffix, e.g. <code>.gz</code>
-     * 
+     *
      * @return temp file to write sheet data
      */
     public File createTempFile() throws IOException {
@@ -91,7 +91,7 @@ public class SheetDataWriter implements Closeable {
 
     /**
      * Create a writer for the sheet data.
-     * 
+     *
      * @param  fd the file to write to
      */
     public Writer createWriter(File fd) throws IOException {
@@ -106,7 +106,7 @@ public class SheetDataWriter implements Closeable {
         return new BufferedWriter(
                 new OutputStreamWriter(decorated, StandardCharsets.UTF_8));
     }
-    
+
     /**
      * Override this to translate (such as encrypt or compress) the file output stream
      * as it is being written to disk.
@@ -122,7 +122,7 @@ public class SheetDataWriter implements Closeable {
     }
 
     /**
-     * flush and close the temp data writer. 
+     * flush and close the temp data writer.
      * This method <em>must</em> be invoked before calling {@link #getWorksheetXMLInputStream()}
      */
     public void close() throws IOException {
@@ -133,7 +133,7 @@ public class SheetDataWriter implements Closeable {
     protected File getTempFile() {
         return _fd;
     }
-    
+
     /**
      * @return a stream to read temp file with the sheet data
      */
@@ -147,7 +147,7 @@ public class SheetDataWriter implements Closeable {
             throw e;
         }
     }
-    
+
     /**
      * Override this to translate (such as decrypt or expand) the file input stream
      * as it is being read from disk.
@@ -233,7 +233,7 @@ public class SheetDataWriter implements Closeable {
         if(row.getCollapsed() != null) {
             writeAttribute("collapsed", row.getCollapsed() ? "1" : "0");
         }
-        
+
         _out.write(">\n");
         this._rownum = rownum;
     }
@@ -252,7 +252,7 @@ public class SheetDataWriter implements Closeable {
         CellStyle cellStyle = cell.getCellStyle();
         if (cellStyle.getIndex() != 0) {
             // need to convert the short to unsigned short as the indexes can be up to 64k
-            // ideally we would use int for this index, but that would need changes to some more 
+            // ideally we would use int for this index, but that would need changes to some more
             // APIs
             writeAttribute("s", Integer.toString(cellStyle.getIndex() & 0xffff));
         }
@@ -268,7 +268,7 @@ public class SheetDataWriter implements Closeable {
                         writeAttribute("t", "n");
                         break;
                     case STRING:
-                        writeAttribute("t", STCellType.S.toString());
+                        writeAttribute("t", STCellType.STR.toString());
                         break;
                     case BOOLEAN:
                         writeAttribute("t", "b");
@@ -438,7 +438,7 @@ public class SheetDataWriter implements Closeable {
     static boolean replaceWithQuestionMark(char c) {
         return c < ' ' || ('\uFFFE' <= c && c <= '\uFFFF');
     }
-     
+
     /**
      * Deletes the temporary file that backed this sheet on disk.
      * @return true if the file was deleted, false if it wasn't.

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestSXSSFBugs.java

@@ -17,6 +17,7 @@
 
 package org.apache.poi.xssf.usermodel;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
@@ -43,6 +44,7 @@ import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.openxmlformats.schemas.spreadsheetml.x2006.main.STCellType;
 
 public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
     public TestSXSSFBugs() {
@@ -67,7 +69,7 @@ public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
         CellRangeAddress cra = CellRangeAddress.valueOf("C2:D3");
 
         // No print settings before repeating
-        Sheet s1 = wb1.createSheet(); 
+        Sheet s1 = wb1.createSheet();
         s1.setRepeatingColumns(cra);
         s1.setRepeatingRows(cra);
 
@@ -93,7 +95,7 @@ public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
         wb1.close();
         wb2.close();
     }
-    
+
     // bug 60197: setSheetOrder should update sheet-scoped named ranges to maintain references to the sheets before the re-order
     @Test
     @Override
@@ -209,4 +211,31 @@ public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
             out.flush();
         }
     }
+
+    @Test
+    public void test63960() throws Exception {
+        try (Workbook workbook = new SXSSFWorkbook(100)) {
+            Sheet sheet = workbook.createSheet("RawData");
+
+            Row row = sheet.createRow(0);
+            Cell cell;
+
+            cell = row.createCell(0);
+            cell.setCellValue(123);
+            cell = row.createCell(1);
+            cell.setCellValue("");
+            cell.setCellFormula("=TEXT(A1,\"#\")");
+
+            /*try (FileOutputStream out = new FileOutputStream(File.createTempFile("test63960", ".xlsx"))) {
+                workbook.write(out);
+            }*/
+
+            try (Workbook wbBack = SXSSFITestDataProvider.instance.writeOutAndReadBack(workbook)) {
+                assertNotNull(wbBack);
+                Cell rawData = wbBack.getSheet("RawData").getRow(0).getCell(1);
+
+                assertEquals(STCellType.STR, ((XSSFCell) rawData).getCTCell().getT());
+            }
+        }
+    }
 }