What is Apache Camel and why is it needed in Java projects?

Hi everyone! I'm a beginner Java developer working on a microservice project. We have several services: one accepts orders via REST API, another processes them and saves to the database, and a third sends email notifications. Currently, I'm connecting them manually — writing HTTP clients, message queues via JMS, parsing XML and JSON. This results in a lot of boilerplate code, everything is fragile and hard to maintain. For example, here's how I currently process an incoming file with orders in CSV format and save it to the database: ```java public void processFile(String filePath) { try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) { String line; while ((line = reader.readLine()) != null) { String[] parts = line.split(","); Order order = new Order(parts[0