--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ *
+ * Copyright (C) 2024: OpenInfra Foundation Europe
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+package com.demo.producer.messages;
+
+import java.util.Properties;
+import java.util.Random;
+import org.json.simple.JSONObject;
+
+public class MessageHelper {
+
+ private static Properties props;
+
+ public static String getRandomString() {
+ int leftLimit = 48; // numeral '0'
+ int rightLimit = 122; // letter 'z'
+ int targetStringLength = 10;
+ Random random = new Random();
+
+ return random.ints(leftLimit, rightLimit + 1).filter(i -> (i <= 57 || i >= 65) && (i <= 90 || i >= 97))
+ .limit(targetStringLength)
+ .collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append).toString();
+ }
+
+ @SuppressWarnings("unchecked") // Using only strings
+ public static JSONObject getMessageLogEntryJSON(String source, String topic, String key, String message)
+ throws Exception {
+ JSONObject obj = new JSONObject();
+ String bootstrapServers = getProperties().getProperty("bootstrap.servers");
+ obj.put("bootstrapServers", bootstrapServers);
+ obj.put("source", source);
+ obj.put("topic", topic);
+ obj.put("key", key);
+ obj.put("message", message);
+
+ return obj;
+ }
+
+
+ @SuppressWarnings("unchecked")
+ public static JSONObject getSimpleJSONObject(String message){
+ JSONObject obj = new JSONObject();
+ obj.put("message", message);
+ return obj;
+ }
+
+ protected static Properties getProperties() throws Exception {
+ if (props == null) {
+ props = PropertiesHelper.getProperties();
+ }
+ return props;
+ }
+
+}