BAEL-5203 :Add an image to an Excel file with Java (#11391)

Co-authored-by: Sachin kumar <sachin.n.kumar@oracle.com>
Co-authored-by: ashleyfrieze <ashley@incredible.org.uk>

apache-poi-2/pom.xml

@@ -3,9 +3,9 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>apache-poi</artifactId>
+    <artifactId>apache-poi-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-    <name>apache-poi</name>
+    <name>apache-poi-2</name>
 
     <parent>
         <groupId>com.baeldung</groupId>
@@ -17,8 +17,13 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-ooxml</artifactId>
-            <version>5.0.0</version>
+            <version>${poi.version}</version>
         </dependency>
     </dependencies>
 
-</project>
+    <properties>
+        <poi.version>5.0.0</poi.version>
+    </properties>
+
+</project>
+

apache-poi-2/src/main/java/com/baeldung/poi/excel/write/addimageincell/ExcelCellImageHelper.java

@@ -0,0 +1,76 @@
+package com.baeldung.poi.excel.write.addimageincell;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.util.IOUtils;
+import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
+import org.apache.poi.xssf.usermodel.XSSFDrawing;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+
+/**
+ * This Helper class Add an Image to a Cell of an Excel File With apache-poi api.
+ *
+ */
+public class ExcelCellImageHelper {
+
+    public static void main(String[] args) throws IOException, InvalidFormatException {
+        try (final Workbook workbook = new XSSFWorkbook();
+            FileOutputStream saveExcel = new FileOutputStream("target/baeldung-apachepoi.xlsx");) {
+            
+            Sheet sheet = workbook.createSheet("Avengers");
+
+            XSSFDrawing drawing = (XSSFDrawing) sheet.createDrawingPatriarch();
+            XSSFClientAnchor ironManAnchor = new XSSFClientAnchor();
+            XSSFClientAnchor spiderManAnchor = new XSSFClientAnchor();
+
+            // Fill row1 data
+            Row row1 = sheet.createRow(0);
+            row1.setHeight((short) 1000);
+            row1.createCell(0)
+                .setCellValue("IRON-MAN");
+            updateCellWithImage(workbook, 1, drawing, ironManAnchor, "ironman.png");
+
+            // Fill row2 data
+            Row row2 = sheet.createRow(1);
+            row2.setHeight((short) 1000);
+            row2.createCell(0)
+                .setCellValue("SPIDER-MAN");
+            updateCellWithImage(workbook, 2, drawing, spiderManAnchor, "spiderman.png");
+
+            // Resize all columns to fit the content size
+            for (int i = 0; i < 2; i++) {
+                sheet.autoSizeColumn(i);
+            }
+            workbook.write(saveExcel);
+        }
+
+    }
+
+    /**
+     * This method position the anchor for a given rowNum and add the image correctly.
+     * @param workbook
+     * @param rowNum
+     * @param drawing
+     * @param inputImageAnchor
+     * @throws IOException
+     */
+    private static void updateCellWithImage(Workbook workbook, int rowNum, XSSFDrawing drawing, XSSFClientAnchor inputImageAnchor, String inputImageName) throws IOException {
+        InputStream inputImageStream = ExcelCellImageHelper.class.getClassLoader()
+            .getResourceAsStream(inputImageName);
+        byte[] inputImageBytes = IOUtils.toByteArray(inputImageStream);
+        int inputImagePictureID = workbook.addPicture(inputImageBytes, Workbook.PICTURE_TYPE_PNG);
+        inputImageStream.close();
+        inputImageAnchor.setCol1(1);
+        inputImageAnchor.setRow1(rowNum - 1);
+        inputImageAnchor.setCol2(2);
+        inputImageAnchor.setRow2(rowNum);
+        drawing.createPicture(inputImageAnchor, inputImagePictureID);
+    }
+
+}