Adjust sample for creating comments to also create a .xlsx file

Enhance workbook factory to allow to create new empty workbooks as well

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1844881 13f79535-47bb-0310-9956-ffa450edef68

src/examples/src/org/apache/poi/hssf/usermodel/examples/CellComments.java

@@ -17,19 +17,23 @@
 
 package org.apache.poi.hssf.usermodel.examples;
 
+import org.apache.poi.hssf.usermodel.HSSFComment;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.Comment;
+import org.apache.poi.ss.usermodel.CreationHelper;
+import org.apache.poi.ss.usermodel.Drawing;
+import org.apache.poi.ss.usermodel.Font;
+import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.RichTextString;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.usermodel.WorkbookFactory;
+
 import java.io.FileOutputStream;
 import java.io.IOException;
 
-import org.apache.poi.hssf.usermodel.HSSFCell;
-import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
-import org.apache.poi.hssf.usermodel.HSSFComment;
-import org.apache.poi.hssf.usermodel.HSSFFont;
-import org.apache.poi.hssf.usermodel.HSSFPatriarch;
-import org.apache.poi.hssf.usermodel.HSSFRichTextString;
-import org.apache.poi.hssf.usermodel.HSSFSheet;
-import org.apache.poi.hssf.usermodel.HSSFWorkbook;
-import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
-
 /**
  * Demonstrates how to work with excel cell comments.<p>
  *
@@ -39,46 +43,64 @@ import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
 public class CellComments {
 
     public static void main(String[] args) throws IOException  {
-        try (HSSFWorkbook wb = new HSSFWorkbook()) {
+        createWorkbook(false, ".xls");
-            HSSFSheet sheet = wb.createSheet("Cell comments in POI HSSF");
+        createWorkbook(true, ".xlsx");
+    }
+
+    private static void createWorkbook(boolean xssf, String extension) throws IOException {
+        try (Workbook wb = WorkbookFactory.create(xssf)) {
+            Sheet sheet = wb.createSheet("Cell comments in POI " + extension);
+            CreationHelper creationHelper = wb.getCreationHelper();
 
             // Create the drawing patriarch. This is the top level container for all shapes including cell comments.
-            HSSFPatriarch patr = sheet.createDrawingPatriarch();
+            Drawing<?> patr = sheet.createDrawingPatriarch();
 
             //create a cell in row 3
-            HSSFCell cell1 = sheet.createRow(3).createCell(1);
+            Cell cell1 = sheet.createRow(3).createCell(1);
-            cell1.setCellValue(new HSSFRichTextString("Hello, World"));
+            cell1.setCellValue(creationHelper.createRichTextString("Hello, World"));
 
             //anchor defines size and position of the comment in worksheet
-            HSSFComment comment1 = patr.createComment(new HSSFClientAnchor(0, 0, 0, 0, (short) 4, 2, (short) 6, 5));
+            ClientAnchor clientAnchor = creationHelper.createClientAnchor();
+            clientAnchor.setCol1(4);
+            clientAnchor.setRow1(2);
+            clientAnchor.setCol2(6);
+            clientAnchor.setRow2(5);
+            Comment comment1 = patr.createCellComment(clientAnchor);
 
             // set text in the comment
-            comment1.setString(new HSSFRichTextString("We can set comments in POI"));
+            comment1.setString(creationHelper.createRichTextString("We can set comments in POI"));
 
             //set comment author.
             //you can see it in the status bar when moving mouse over the commented cell
             comment1.setAuthor("Apache Software Foundation");
 
-            // The first way to assign comment to a cell is via HSSFCell.setCellComment method
+            // The first way to assign comment to a cell is via Cell.setCellComment method
             cell1.setCellComment(comment1);
 
             //create another cell in row 6
-            HSSFCell cell2 = sheet.createRow(6).createCell(1);
+            Cell cell2 = sheet.createRow(6).createCell(1);
             cell2.setCellValue(36.6);
 
 
-            HSSFComment comment2 = patr.createComment(new HSSFClientAnchor(0, 0, 0, 0, (short) 4, 8, (short) 6, 11));
+            clientAnchor = creationHelper.createClientAnchor();
-            //modify background color of the comment
+            clientAnchor.setCol1(4);
-            comment2.setFillColor(204, 236, 255);
+            clientAnchor.setRow1(8);
+            clientAnchor.setCol2(6);
+            clientAnchor.setRow2(11);
+            Comment comment2 = patr.createCellComment(clientAnchor);
+            //modify background color of the comment, only available in HSSF currently
+            if (wb instanceof HSSFWorkbook) {
+                ((HSSFComment) comment2).setFillColor(204, 236, 255);
+            }
 
-            HSSFRichTextString string = new HSSFRichTextString("Normal body temperature");
+            RichTextString string = creationHelper.createRichTextString("Normal body temperature");
 
             //apply custom font to the text in the comment
-            HSSFFont font = wb.createFont();
+            Font font = wb.createFont();
             font.setFontName("Arial");
             font.setFontHeightInPoints((short) 10);
             font.setBold(true);
-            font.setColor(HSSFColorPredefined.RED.getIndex());
+            font.setColor(IndexedColors.RED.getIndex());
             string.applyFont(font);
 
             comment2.setString(string);
@@ -94,7 +116,7 @@ public class CellComments {
             comment2.setRow(6);
             comment2.setColumn(1);
 
-            try (FileOutputStream out = new FileOutputStream("poi_comment.xls")) {
+            try (FileOutputStream out = new FileOutputStream("poi_comment" + extension)) {
                 wb.write(out);
             }
         }

src/java/org/apache/poi/hssf/usermodel/HSSFWorkbookFactory.java

@@ -31,6 +31,15 @@ import org.apache.poi.util.Internal;
 @SuppressWarnings("unused")
 @Internal
 public class HSSFWorkbookFactory extends WorkbookFactory {
+    /**
+     * Create a new empty Workbook
+     *
+     * @return The created workbook
+     */
+    public static HSSFWorkbook createWorkbook() {
+        return new HSSFWorkbook();
+    }
+
     /**
      * Creates a HSSFWorkbook from the given NPOIFSFileSystem<p>
      * Note that in order to properly release resources the

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

@@ -43,6 +43,24 @@ import org.apache.poi.util.Removal;
  *  by auto-detecting from the supplied input.
  */
 public class WorkbookFactory {
+    /**
+     * Create a new empty Workbook, either XSSF or HSSF depending
+     * on the parameter
+     *
+     * @param xssf If an XSSFWorkbook or a HSSFWorkbook should be created
+     *
+     * @return The created workbook
+     *
+     * @throws IOException if an error occurs while reading the data
+     */
+    public static Workbook create(boolean xssf) throws IOException {
+        if(xssf) {
+            return createXSSFWorkbook();
+        } else {
+            return createHSSFWorkbook();
+        }
+    }
+
     /**
      * Creates a HSSFWorkbook from the given NPOIFSFileSystem<p>
      *

src/ooxml/java/org/apache/poi/openxml4j/exceptions/InvalidFormatException.java

@@ -18,7 +18,7 @@
 package org.apache.poi.openxml4j.exceptions;
 
 @SuppressWarnings("serial")
-public final class InvalidFormatException extends OpenXML4JException{
+public final class InvalidFormatException extends OpenXML4JException {
 
 	public InvalidFormatException(String message){
 		super(message);

src/ooxml/java/org/apache/poi/openxml4j/opc/OPCPackage.java

@@ -291,6 +291,8 @@ public abstract class OPCPackage implements RelationshipSource, Closeable {
 	 * @param in
 	 *            The InputStream to read the package from
 	 * @return A PackageBase object
+	 *
+	 * @throws InvalidFormatException
 	 */
 	public static OPCPackage open(InputStream in) throws InvalidFormatException,
 			IOException {

src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbookFactory.java

@@ -29,6 +29,14 @@ import org.apache.poi.openxml4j.opc.ZipPackage;
 import org.apache.poi.ss.usermodel.WorkbookFactory;
 
 public class XSSFWorkbookFactory extends WorkbookFactory {
+    /**
+     * Create a new empty Workbook
+     *
+     * @return The created workbook
+     */
+    public static XSSFWorkbook createWorkbook() {
+        return new XSSFWorkbook();
+    }
 
     /**
      * Creates a XSSFWorkbook from the given OOXML Package.
@@ -42,7 +50,6 @@ public class XSSFWorkbookFactory extends WorkbookFactory {
      *  @return The created Workbook
      *
      *  @throws IOException if an error occurs while reading the data
-     * @throws InvalidFormatException
      */
     public static XSSFWorkbook create(OPCPackage pkg) throws IOException {
         return createWorkbook(pkg);
@@ -59,7 +66,6 @@ public class XSSFWorkbookFactory extends WorkbookFactory {
      *  @return The created Workbook
      *
      *  @throws IOException if an error occurs while reading the data
-     * @throws InvalidFormatException
      */
     public static XSSFWorkbook createWorkbook(ZipPackage pkg) throws IOException {
         return createWorkbook((OPCPackage)pkg);
@@ -76,7 +82,6 @@ public class XSSFWorkbookFactory extends WorkbookFactory {
      *  @return The created Workbook
      *
      *  @throws IOException if an error occurs while reading the data
-     * @throws InvalidFormatException
      */
     public static XSSFWorkbook createWorkbook(OPCPackage pkg) throws IOException {
         try {
@@ -122,13 +127,11 @@ public class XSSFWorkbookFactory extends WorkbookFactory {
      * @return The created Workbook
      *
      * @throws IOException if an error occurs while reading the data
-     * @throws InvalidFormatException
+     * @throws InvalidFormatException if the package is not valid.
      */
     @SuppressWarnings("resource")
     public static XSSFWorkbook createWorkbook(InputStream stream) throws IOException, InvalidFormatException {
         OPCPackage pkg = OPCPackage.open(stream);
         return createWorkbook(pkg);
     }
-
-
 }

src/ooxml/testcases/org/apache/poi/ss/TestWorkbookFactory.java

@@ -48,8 +48,8 @@ import org.junit.Test;
 public final class TestWorkbookFactory {
     private static final String xls = "SampleSS.xls";
     private static final String xlsx = "SampleSS.xlsx";
-    private static final String[] xls_prot = new String[] {"password.xls", "password"};
+    private static final String[] xls_protected = new String[] {"password.xls", "password"};
-    private static final String[] xlsx_prot = new String[]{"protected_passtika.xlsx", "tika"};
+    private static final String[] xlsx_protected = new String[]{"protected_passtika.xlsx", "tika"};
     private static final String txt = "SampleSS.txt";
     
     private static final POILogger LOGGER = POILogFactory.getLogger(TestWorkbookFactory.class);
@@ -199,7 +199,6 @@ public final class TestWorkbookFactory {
     public void testCreateWithPasswordFromStream() throws Exception {
         Workbook wb;
 
-
         // Unprotected, no password given, opens normally
         wb = WorkbookFactory.create(
                 HSSFTestDataSamples.openSampleFileStream(xls), null
@@ -234,26 +233,26 @@ public final class TestWorkbookFactory {
 
         // Protected, correct password, opens fine
         wb = WorkbookFactory.create(
-                HSSFTestDataSamples.openSampleFileStream(xls_prot[0]), xls_prot[1]
+                HSSFTestDataSamples.openSampleFileStream(xls_protected[0]), xls_protected[1]
         );
         assertNotNull(wb);
         assertTrue(wb instanceof HSSFWorkbook);
-        assertCloseDoesNotModifyFile(xls_prot[0], wb);
+        assertCloseDoesNotModifyFile(xls_protected[0], wb);
 
         wb = WorkbookFactory.create(
-                HSSFTestDataSamples.openSampleFileStream(xlsx_prot[0]), xlsx_prot[1]
+                HSSFTestDataSamples.openSampleFileStream(xlsx_protected[0]), xlsx_protected[1]
         );
         assertNotNull(wb);
         assertTrue(wb instanceof XSSFWorkbook);
-        assertCloseDoesNotModifyFile(xlsx_prot[0], wb);
+        assertCloseDoesNotModifyFile(xlsx_protected[0], wb);
 
 
         // Protected, wrong password, throws Exception
         try {
             wb = WorkbookFactory.create(
-                    HSSFTestDataSamples.openSampleFileStream(xls_prot[0]), "wrong"
+                    HSSFTestDataSamples.openSampleFileStream(xls_protected[0]), "wrong"
             );
-            assertCloseDoesNotModifyFile(xls_prot[0], wb);
+            assertCloseDoesNotModifyFile(xls_protected[0], wb);
             fail("Shouldn't be able to open with the wrong password");
         } catch (EncryptedDocumentException e) {
             // expected here
@@ -261,9 +260,9 @@ public final class TestWorkbookFactory {
 
         try {
             wb = WorkbookFactory.create(
-                    HSSFTestDataSamples.openSampleFileStream(xlsx_prot[0]), "wrong"
+                    HSSFTestDataSamples.openSampleFileStream(xlsx_protected[0]), "wrong"
             );
-            assertCloseDoesNotModifyFile(xlsx_prot[0], wb);
+            assertCloseDoesNotModifyFile(xlsx_protected[0], wb);
             fail("Shouldn't be able to open with the wrong password");
         } catch (EncryptedDocumentException e) {
             // expected here
@@ -309,28 +308,28 @@ public final class TestWorkbookFactory {
 
         // Protected, correct password, opens fine
         wb = WorkbookFactory.create(
-                HSSFTestDataSamples.getSampleFile(xls_prot[0]), xls_prot[1]
+                HSSFTestDataSamples.getSampleFile(xls_protected[0]), xls_protected[1]
         );
         assertNotNull(wb);
         assertTrue(wb instanceof HSSFWorkbook);
-        assertCloseDoesNotModifyFile(xls_prot[0], wb);
+        assertCloseDoesNotModifyFile(xls_protected[0], wb);
 
         wb = WorkbookFactory.create(
-                HSSFTestDataSamples.getSampleFile(xlsx_prot[0]), xlsx_prot[1]
+                HSSFTestDataSamples.getSampleFile(xlsx_protected[0]), xlsx_protected[1]
         );
         assertNotNull(wb);
         assertTrue(wb instanceof XSSFWorkbook);
         assertTrue(wb.getNumberOfSheets() > 0);
         assertNotNull(wb.getSheetAt(0));
         assertNotNull(wb.getSheetAt(0).getRow(0));
-        assertCloseDoesNotModifyFile(xlsx_prot[0], wb);
+        assertCloseDoesNotModifyFile(xlsx_protected[0], wb);
 
         // Protected, wrong password, throws Exception
         try {
             wb = WorkbookFactory.create(
-                    HSSFTestDataSamples.getSampleFile(xls_prot[0]), "wrong"
+                    HSSFTestDataSamples.getSampleFile(xls_protected[0]), "wrong"
             );
-            assertCloseDoesNotModifyFile(xls_prot[0], wb);
+            assertCloseDoesNotModifyFile(xls_protected[0], wb);
             fail("Shouldn't be able to open with the wrong password");
         } catch (EncryptedDocumentException e) {
             // expected here
@@ -338,9 +337,9 @@ public final class TestWorkbookFactory {
 
         try {
             wb = WorkbookFactory.create(
-                    HSSFTestDataSamples.getSampleFile(xlsx_prot[0]), "wrong"
+                    HSSFTestDataSamples.getSampleFile(xlsx_protected[0]), "wrong"
             );
-            assertCloseDoesNotModifyFile(xlsx_prot[0], wb);
+            assertCloseDoesNotModifyFile(xlsx_protected[0], wb);
             fail("Shouldn't be able to open with the wrong password");
         } catch (EncryptedDocumentException e) {
             // expected here
@@ -397,8 +396,6 @@ public final class TestWorkbookFactory {
      */
     @Test
     public void testFileSubclass() throws Exception {
-        Workbook wb;
-        
         File normalXLS = HSSFTestDataSamples.getSampleFile(xls);
         File normalXLSX = HSSFTestDataSamples.getSampleFile(xlsx);
         File altXLS = new TestFile(normalXLS.getAbsolutePath());
@@ -406,18 +403,34 @@ public final class TestWorkbookFactory {
         assertTrue(altXLS.exists());
         assertTrue(altXLSX.exists());
 
-        wb = WorkbookFactory.create(altXLS);
+        try (Workbook wb = WorkbookFactory.create(altXLS)) {
             assertNotNull(wb);
             assertTrue(wb instanceof HSSFWorkbook);
+        }
 
-        wb = WorkbookFactory.create(altXLSX);
+        try (Workbook wb = WorkbookFactory.create(altXLSX)) {
             assertNotNull(wb);
             assertTrue(wb instanceof XSSFWorkbook);
         }
+    }
     
     private static class TestFile extends File {
         public TestFile(String file) {
             super(file);
         }
     }
+
+    /**
+     * Check that the overloaded file methods which take passwords work properly
+     */
+    @Test
+    public void testCreateEmpty() throws Exception {
+        try (Workbook wb = WorkbookFactory.create(false)) {
+            assertTrue(wb instanceof HSSFWorkbook);
+        }
+
+        try (Workbook wb = WorkbookFactory.create(true)) {
+            assertTrue(wb instanceof XSSFWorkbook);
+        }
+    }
 }