#456: added redirect middleware example

examples/concepts/middleware/requests.http

@@ -2,3 +2,9 @@
 // Execute the procedure and check the terminal
 
 GET http://localhost:3000/rpc/ping HTTP/1.1
+
+###
+
+// Execute the procedure and check the result
+
+GET http://localhost:3000/rpc/redirect HTTP/1.1

examples/concepts/middleware/segments/default.segment.json

@@ -4,5 +4,11 @@
             "access": "public",
             "version": "0.0.0"
         }
+    },
+    "./redirect": {
+        "default": {
+            "access": "public",
+            "version": "0.0.0"
+        }
     }
 }

examples/concepts/middleware/services/standalone.json

@@ -2,6 +2,6 @@
     "url": "http://127.0.0.1:3000",
     "standalone":
     {
-        "middlewares": ["./loggingMiddleware"]
+        "middlewares": ["./loggingMiddleware", "./redirectMiddleware"]
     }
 }

examples/concepts/middleware/src/redirect.ts

@@ -0,0 +1,5 @@
+
+export default async function redirect(): Promise<string>
+{
+    return 'Redirecting...';
+}

examples/concepts/middleware/src/redirectMiddleware.ts

@@ -0,0 +1,21 @@
+
+import { Middleware, Request, Response, NextHandler } from 'jitar';
+
+class RedirectMiddleware implements Middleware
+{
+    async handle(request: Request, next: NextHandler): Promise<Response>
+    {
+        const response = await next();
+
+        if (request.fqn === 'redirect')
+        {
+            response.setHeader('Location', '/rpc/ping');
+        }
+
+        return response;
+    }
+}
+
+const instance = new RedirectMiddleware();
+
+export default instance;