Add spring

src/main/java/ru/ulstu/is/lab1/Lab1Application.java

@@ -2,20 +2,36 @@ package ru.ulstu.is.lab1;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @SpringBootApplication
 @RestController
+@CrossOrigin
 public class Lab1Application {
 
 	public static void main(String[] args) {
 		SpringApplication.run(Lab1Application.class, args);
 	}
 
-	@GetMapping("/name")
-	public String hello(@RequestParam(value = "n", defaultValue = "World") String name) {
-		return String.format("Hello %s!", name);
+	@GetMapping("/minus")
+	public  @ResponseBody int toMinus(@RequestParam(defaultValue = "0") int v1,
+										@RequestParam(defaultValue = "0") int v2) {
+		return v1 - v2;
 	}
-}
+
+	@GetMapping("/plus")
+	public  @ResponseBody int toPlus(@RequestParam(defaultValue = "0") int v1,
+										@RequestParam(defaultValue = "0") int v2) {
+		return v1 + v2;
+	}
+
+	@GetMapping("/toUpperCase/{value}")
+	public @ResponseBody String toUpperCase(@PathVariable String value) {
+		return value.toUpperCase();
+	}
+
+	@GetMapping("/toLowerCase/{value}")
+	public @ResponseBody String toLowerCase(@PathVariable String value) {
+		return value.toLowerCase();
+	}
+}