Spring 5.0 Cookbook

How to do it...

Before implementing AOP components, let us first implement logging by following these steps:

1. The previous has already created some POJOs, so just copy the Employee model, the supporting DAO and service interfaces, and their corresponding implementation classes. Place all model classes in a new package, org.packt.aop.transaction.model.data, all DAO components in org.packt.aop.transaction.dao, and all services in org.packt.aop.transaction.service.
2. Add the updated Log4J libraries to the pom.xml:

<dependency> 
  <groupId>log4j</groupId> 
  <artifactId>log4j</artifactId> 
  <version>1.2.17</version> 
</dependency>

3. Create the log4j.properties containing the needed configuration details such as the type of appenders to be used, message ...