Updated code for pdf correction

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

@@ -31,6 +31,8 @@ import net.gepafin.tendermanagement.web.rest.api.errors.FeignClientNotFoundExcep
 import net.gepafin.tendermanagement.web.rest.api.errors.FeignClientUnauthorizedException;
 import net.gepafin.tendermanagement.web.rest.api.errors.FeignClientValidationException;
 
+import static org.apache.commons.lang3.StringUtils.isEmpty;
+
 
 public class Utils {
 
@@ -315,4 +317,56 @@ public class Utils {
 		}
 		return content.trim().replace(" ", "_");
 	}
+	public static List<Map<String, Object>> convertJsonStringIntoJsonList(String jsonString) {
+		try {
+			if(isEmpty(jsonString))
+			{
+				return new ArrayList<>();
+			}
+			ObjectMapper mapper = new ObjectMapper();
+			mapper.configure(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature(), true);
+			return mapper.readValue(jsonString, List.class);
+		} catch (Exception e) {
+			log.error(e.getMessage());
+		}
+		return null;
+	}
+	public static String convertToString(Object input) {
+		if (input == null) {
+			return "null"; // Return string "null" for null input
+		}
+
+		if (input instanceof String) {
+			return (String) input; // Return the string directly if input is a string
+		}
+
+		if (input instanceof Collection<?>) {
+			// Handle collections (List, Set, etc.)
+			return convertCollectionToString((Collection<?>) input);
+		}
+
+		if (input instanceof Map<?, ?>) {
+			// Handle maps
+			return convertMapToString((Map<?, ?>) input);
+		}
+
+		// For other types (like Integer, Boolean, etc.), use toString()
+		return input.toString();
+	}
+
+	private static String convertCollectionToString(Collection<?> collection) {
+		try {
+			return mapper.writeValueAsString(collection); // Convert the collection to a JSON string
+		} catch (JsonProcessingException e) {
+			throw new RuntimeException("Error converting collection to string", e);
+		}
+	}
+
+	private static String convertMapToString(Map<?, ?> map) {
+		try {
+			return mapper.writeValueAsString(map); // Convert the map to a JSON string
+		} catch (JsonProcessingException e) {
+			throw new RuntimeException("Error converting map to string", e);
+		}
+	}
 }