feat: UrlController 기본구현

src/main/java/com/prgrms/shortenurl/url/UrlRestController.java

@@ -0,0 +1,38 @@
+package com.prgrms.shortenurl.url;
+
+import com.prgrms.shortenurl.url.domain.Url;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+@RestController
+@RequestMapping("/shortenUrl")
+public class UrlRestController {
+    private final UrlService urlService;
+
+    public UrlRestController(UrlService urlService) {
+        this.urlService = urlService;
+    }
+
+    @PostMapping(value = "/{url}")
+    @ResponseBody
+    public ResponseEntity<String> shortenUrl(@PathVariable String url) {
+        Url shortenUrl = urlService.addLink(url);
+        return ResponseEntity.ok(shortenUrl.getOriginUrl());
+    }
+
+    @GetMapping(value = "/{key}")
+    @ResponseBody
+    public ResponseEntity<String> getUrl(@PathVariable String key) {
+        String url = urlService.getUrlByKey(key);
+        return ResponseEntity.ok(url);
+    }
+
+    @GetMapping("/redirect/{key}")
+    public String redirect(@PathVariable String key) throws URISyntaxException {
+        URI redirectUrl = new URI(urlService.getUrlByKey(key));
+        return "redirect:" + redirectUrl;
+    }
+}