Done ticket GEPAFINBE-154

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

@@ -1,4 +1,6 @@
 package net.gepafin.tendermanagement.util;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.itextpdf.text.DocumentException;
 import com.itextpdf.text.Element;
 import com.itextpdf.text.Font;
@@ -60,6 +62,24 @@ public class PdfUtils {
 	    return cell;
 	}
 
+	public static Object extractRows(Object content) throws Exception {
+		ObjectMapper objectMapper = new ObjectMapper();
+		JsonNode rootNode;
+
+		// Check if input is already a JSON tree (Object) or a String
+		if (content instanceof String) {
+			rootNode = objectMapper.readTree((String) content);
+		} else {
+			rootNode = objectMapper.valueToTree(content);
+		}
+
+		// Extract "rows" dynamically
+		JsonNode rowsArray = rootNode.get("rows");
+
+		// Convert to a generic List
+		return objectMapper.convertValue(rowsArray, List.class);
+	}
+
 }
 
 

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

@@ -753,6 +753,12 @@ public class Utils {
 	private static Map<String, Object> defaultErrorResponse() {
 		return Collections.singletonMap("message", Translator.toLocale(GepafinConstant.INVALID_VATNUMBER));
 	}
+	public static boolean isNumeric(String input) {
+		if (input == null || input.trim().isEmpty()) {
+			return false;
+		}
 
+		return input.matches("-?\\d+(\\.\\d+)?");
+	}
 
 }