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Basic Apache Camel Project

A Spring Boot project that uses Apache Camel to read content from a source file and move it to a destination folder. The same route is implemented twice, once in XML DSL and once in Java DSL, so the two styles can be compared side by side.

What this demonstrates

  • Wiring Apache Camel into a Spring Boot application.
  • Defining the same Camel route in two DSLs:
    • XML DSL (active by default) in src/main/resources/camel-routes/routes.xml
    • Java DSL in FileMoverRoute.java, activated via the java-dsl Spring profile
  • File-based integration: reading from one folder and writing to another.

Tech stack

  • Java + Spring Boot
  • Apache Camel
  • Maven

Project structure

src/main/java/com/camel/apache/apacheCamel
├── ApacheCamelApplication.java   # Spring Boot entry point
└── FileMoverRoute.java           # Camel route in Java DSL (profile: java-dsl)

src/main/resources
├── application.properties
└── camel-routes/routes.xml       # Same route in XML DSL (active by default)

How the route works

Picks up files from tmp/camel, logs the body and the file name, and moves the file to tmp/camel/processed.

Run it on your machine

Prerequisites

  • Java 17 or newer (java -version)
  • No need to install Maven, the project includes the Maven wrapper

Steps

# 1. Clone
git clone https://github.com/Haseeb-Khalil/Basic-Apache-Camel-Project.git
cd Basic-Apache-Camel-Project

# 2. Make sure the source folder exists
mkdir -p tmp/camel/processed

# 3. Run (XML DSL is active by default)
./mvnw spring-boot:run
# On Windows:  mvnw.cmd spring-boot:run

In another terminal, drop a file into tmp/camel:

echo "Hello Camel" > tmp/camel/test.txt

The route picks it up, logs the body, and moves it to tmp/camel/processed/.

Switch to the Java DSL implementation

./mvnw spring-boot:run -Dspring-boot.run.profiles=java-dsl

Why I built this

I work with Apache Camel routes day to day at Capgemini on the HMRC Enterprise Integration Services (EIS) programme. This project is a small reference for the two ways of writing Camel routes and the trade-offs between them.