Updated code for pdf tabel updation

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -4,12 +4,18 @@ import java.lang.reflect.Field;
 import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
 import java.util.*;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
+import com.itextpdf.styledxmlparser.jsoup.Jsoup;
 import jakarta.servlet.http.HttpServletRequest;
 import org.apache.commons.collections4.MapUtils;
 import org.slf4j.Logger;
@@ -369,5 +375,25 @@ public class Utils {
 			throw new RuntimeException("Error converting map to string", e);
 		}
 	}
+	public static boolean isValidDateString(String dateStr) {
+		Pattern datePattern = Pattern.compile("\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}");
+		return datePattern.matcher(dateStr).matches();
+	}
 
+	// Method to convert a valid date string to the "dd-MM-yyyy" format
+	public static String formatDateString(String dateStr) {
+		String originalFormatPattern = "yyyy-MM-dd'T'HH:mm:ss";
+		String targetFormatPattern = "dd-MM-yyyy";
+
+		try {
+			SimpleDateFormat originalFormat = new SimpleDateFormat(originalFormatPattern);
+			Date date = originalFormat.parse(dateStr);
+			SimpleDateFormat targetFormat = new SimpleDateFormat(targetFormatPattern);
+
+			return targetFormat.format(date);
+		} catch (ParseException e) {
+		log.error("error while prcoessing date formate");
+			return null;
+		}
+	}
 }