simple controller for quick testing

Author: kulkeez

src/main/java/com/kulkeez/controller/AvailabilityController.java

@@ -0,0 +1,56 @@
+package com.kulkeez.controller;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+import lombok.extern.slf4j.Slf4j;
+
+@RestController
+@Slf4j
+/**
+ * Check for Availability for Gaming consoles (switch, xbox, ps4)
+ * 
+ * http://localhost:8080/availability/switch 
+ * http://localhost:8080/availability/ps4
+ * http://localhost:8080/availability/xbox
+ * 
+ * @author kulkarvi
+ *
+ */
+public class AvailabilityController {
+ 
+
+    @GetMapping("/availability/{console}")
+    public Map<String, Object> getAvailability(@PathVariable String console) {
+    	log.info("/availability REST endpoint invoked...");
+        return Map.of("console", console,
+                "available", checkAvailability(console));
+    }
+
+    
+    /**
+     * Check Availability of a Gaming console 
+     * 
+     * @param console
+     * @return
+     */
+    private boolean checkAvailability(String console) {
+        Assert.state(validate(console), () -> "the console specified, " + console + ", is not valid.");
+        return switch (console) {
+            case "ps5" -> throw new RuntimeException("Service exception");
+            case "xbox" -> true;
+            default -> false;
+        };
+    }
+    
+	private boolean validate(String console) {
+        return StringUtils.hasText(console) &&
+               Set.of("ps5", "ps4", "switch", "xbox").contains(console);
+    }
+}