Done ticket GEPAFINBE-39

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

@@ -5,6 +5,7 @@ import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
 import java.util.Base64;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
@@ -276,4 +277,30 @@ public class Utils {
 		}
 	}
 
+	public static  Map<String, Map<String, String>> parseJsonContent(String jsonContent) {
+		ObjectMapper objectMapper = new ObjectMapper();
+		try {
+			return mapper.readValue(jsonContent, HashMap.class);
+		} catch (Exception exception) {
+			log.error(exception.getMessage());
+		}
+		return new HashMap<>();
+	}
+	
+	// Utility method to replace placeholders with their values, handling nulls
+	public static String replacePlaceholders(String text, Map<String, String> placeholders) {
+	    if (text == null) {
+	        return "";
+	    }
+	    for (Map.Entry<String, String> entry : placeholders.entrySet()) {
+	        text = replaceNull(text, entry.getKey(), entry.getValue());
+	    }
+	    return text;
+	}
+
+	// Method to safely replace nulls with an empty string or a default value
+	private static String replaceNull(String text, String target, String replacement) {
+	    return text.replace(target, replacement != null ? replacement : "");
+	}
+
 }