BAEL-20552: Migrate spring-4 module to the com.baeldung package

spring-4/src/main/java/com/baeldung/spring43/composedmapping/AppointmentsController.java

@@ -0,0 +1,31 @@
+package com.baeldung.spring43.composedmapping;
+
+import java.util.Map;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.apache.logging.log4j.Logger;
+
+@Controller
+@RequestMapping("/appointments")
+public class AppointmentsController {
+
+    private AppointmentService appointmentService;
+
+    @Autowired
+    private Logger logger;
+
+    @Autowired
+    public AppointmentsController(AppointmentService appointmentService) {
+        this.appointmentService = appointmentService;
+    }
+
+    @GetMapping
+    public Map<String, Appointment> get() {
+        logger.info("Getting appointments...");
+        return appointmentService.getAppointmentsForToday();
+    }
+
+}