What is Apache Camel and how does it help in application integration?

Hi everyone! I'm a Java developer with about a year of experience, and lately I've been hearing more and more about Apache Camel on the project. Honestly, I still don't fully understand what it is and why it's needed. We use Spring Boot for microservices, and for communication between them we use REST via Feign clients. But recently we were given a task: we need to integrate with a legacy system that works via FTP, sends XML files, and sometimes uses JMS queues. A colleague said: "It's time to implement Camel, it's the standard for EIP (Enterprise Integration Patterns)." I tried reading the documentation, but immediately got confused by the terms: routes, processors, endpoints. I wrote a simple example that reads a file from a folder and outputs its contents, but it looks like magic: ```jav