Corrected code for page number in pdf

src/main/java/net/gepafin/tendermanagement/dao/PdfDao.java

@@ -36,6 +36,8 @@ import com.itextpdf.layout.element.Cell;
 
 import java.awt.*;
 import java.io.ByteArrayOutputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.util.*;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -66,10 +68,10 @@ public class PdfDao {
 
             Document document = new Document(PageSize.A4, leftMargin, 36f, 50f, 35);
             PdfWriter writer = PdfWriter.getInstance(document, out);
-            CustomPageEvent pageEvent = new CustomPageEvent(call.getName(), 0);
+//            CustomPageEvent pageEvent = new CustomPageEvent(call.getName(), 0);
-            writer.setPageEvent(pageEvent);
+//            writer.setPageEvent(pageEvent);
             document.open();
-            pageEvent.setTotalPages(writer.getPageNumber());
+//            pageEvent.setTotalPages(writer.getPageNumber());
             addLogo(document, "https://mementoresources.s3.eu-west-1.amazonaws.com/gepafin/logo.jpg");  // Add your image path here
 
 
@@ -91,7 +93,7 @@ public class PdfDao {
             document.add(new Paragraph(" "));
 
             // Application ID section (Centered)
-          pageEvent.setTotalPages(writer.getPageNumber());
+//          pageEvent.setTotalPages(writer.getPageNumber());
             Paragraph appId = new Paragraph("ID domanda :" +"XX00");
             appId.setAlignment(Element.ALIGN_RIGHT);
             document.add(appId);
@@ -138,7 +140,7 @@ public class PdfDao {
                     Integer pages=0;
                     pages=addLabelValuePair(writer,document, label, value, labelFont,valueFont,call.getName(),pages);
                     if(pages !=0 ){
-                        pageEvent.setTotalPages(writer.getPageNumber());
+//                        pageEvent.setTotalPages(writer.getPageNumber());
                     }
                 }
                 addColoredLines(writer,document,greenColor);
@@ -150,8 +152,9 @@ public class PdfDao {
             // Adding the "Documenti Allegati" section title
             document.add(new Paragraph(" "));
 
-            pageEvent.setTotalPages(writer.getPageNumber());
+//            pageEvent.setTotalPages(writer.getPageNumber());
             document.newPage();
+//            pageEvent.setTotalPages(writer.getPageNumber());
             document.add(new Paragraph("Documenti Allegati", sectionFont));
             document.add(new Paragraph(" "));
 
@@ -215,11 +218,20 @@ public class PdfDao {
 
             addColoredLines(writer,document,greenColor);
 
+//            System.out.println(writer.getPageSize());
+//            System.out.println(document.getPageSize());
+//            System.out.println(document.getPageNumber());
+//            System.out.println(writer.getPageNumber());
+//            document.setPageCount(100);
+//            document.setPageCount(writer.getPageNumber());
+//            System.out.println(document.getPageNumber());
+
             // Close the document
             document.close();
 
             // Convert to byte array for response
-            byte[] pdfBytes = out.toByteArray();
+            byte[] pdfBytes =PdfPageNumberInserter.addPageNumbers(out.toByteArray());
+
             return pdfBytes;
         } catch (Exception e) {
             e.printStackTrace();
@@ -308,7 +320,7 @@ public class PdfDao {
                         String description = (String) entry.get(keys.get(1));   // Second key's value
 
                         // Store the combined result as a value in the map, with a suitable key
-                        String combinedValue = number + ", " + description + ", " + amount;  // Concatenate them as a single value
+                        String combinedValue = number + "; " + description + "; " + amount;  // Concatenate them as a single value
                         extractedMap.put("combined", combinedValue);  // Store as a single entry, key as "combined"
                     }
 
@@ -380,14 +392,14 @@ public class PdfDao {
                     }
 
                     // Split the value for "combined" into separate parts
-                    String[] combinedValues = value.split(", ");
+                    String[] combinedValues = value.split("; ");
 
                     // Check if we have 3 parts (number, description, amount)
-                    String number = combinedValues[0].trim();      // 1st part (number)
+                    String number = combinedValues[0];      // 1st part (number)
-                    String description = combinedValues[1].trim(); // 2nd part (description)
+                    String description = combinedValues[1]; // 2nd part (description)
                     String amount = "";
                     if (combinedValues.length == 3) {
-                        amount = combinedValues[2].trim();         // 3rd part (amount)
+                        amount = combinedValues[2];         // 3rd part (amount)
                     }
 
                     // Create PDF cells using the split values
@@ -401,9 +413,14 @@ public class PdfDao {
                     cellAmount.setBackgroundColor(new BaseColor(239, 243, 248));
 
                     // Set cell height and add rounded borders
-                    cellNumber.setFixedHeight(rowHeight);
+//                    cellNumber.setFixedHeight(rowHeight);
-                    cellDescription.setFixedHeight(rowHeight);
+//                    cellDescription.setFixedHeight(rowHeight);
-                    cellAmount.setFixedHeight(rowHeight);
+//                    cellAmount.setFixedHeight(rowHeight);
+
+                    cellNumber.setMinimumHeight(20f); // Set minimum height for better appearance
+                    cellDescription.setMinimumHeight(20f); // Set minimum height for better appearance
+                    cellAmount.setMinimumHeight(20f); // Set minimum height for better appearance
+
                     cellNumber.setPadding(7f);
                     cellDescription.setPadding(7f);
                     cellAmount.setPadding(7f);
@@ -441,6 +458,8 @@ public class PdfDao {
                     cellKey.setBackgroundColor(new BaseColor(239, 243, 248)); // Light blue for other rows
                     cellValue.setBackgroundColor(new BaseColor(239, 243, 248));
 
+                    cellKey.setPadding(7f);
+                    cellValue.setPadding(7f);
                     // Set cell height and add rounded borders
                     cellKey.setFixedHeight(rowHeight);
                     cellValue.setFixedHeight(rowHeight);

src/main/java/net/gepafin/tendermanagement/dao/PdfPageNumberInserter.java

@@ -0,0 +1,45 @@
+package net.gepafin.tendermanagement.dao;
+import com.itextpdf.text.BaseColor;
+import com.itextpdf.text.DocumentException;
+import com.itextpdf.text.Font;
+import com.itextpdf.text.FontFactory;
+import com.itextpdf.text.pdf.BaseFont;
+import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.pdf.PdfStamper;
+import com.itextpdf.text.pdf.PdfContentByte;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class PdfPageNumberInserter {
+
+    public static byte[] addPageNumbers(byte[] pdfData) throws IOException, DocumentException {
+        PdfReader reader = new PdfReader(pdfData);  // Read the generated PDF
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        BaseColor darkGreenColor = new BaseColor(1, 50, 32); // Adjust RGB values as needed
+        Font baseFont = FontFactory.getFont(FontFactory.HELVETICA, 4,darkGreenColor);
+        BaseFont font = baseFont.getBaseFont();
+
+        // PdfStamper allows us to modify the existing PDF
+        PdfStamper stamper = new PdfStamper(reader, outputStream);
+        int totalPages = reader.getNumberOfPages();
+
+        // Set the font for page numbers
+
+        for (int i = 1; i <= totalPages; i++) {
+            // Get the content of the current page
+            PdfContentByte over = stamper.getOverContent(i);
+            over.beginText();
+            over.setFontAndSize(font, 12);
+
+            // Add the page number at the bottom center of the page
+            over.showTextAligned(PdfContentByte.ALIGN_CENTER, "Page " + i + " of " + totalPages, 300, 30, 0);
+
+            over.endText();
+        }
+
+        stamper.close();
+        reader.close();
+
+        return outputStream.toByteArray();  // Return the modified PDF with page numbers
+    }
+}