Improving example to make sure the old way to match with a bit operator (&) works.

Author: mathieucarbou

examples/HTTPMethods/HTTPMethods.ino

@@ -28,9 +28,29 @@
 static AsyncWebServer server(80);
 
 // user defined functions that turns out to have similar signatures to the ones in global header
-int stringToMethod(const String &) { return 0; }
-const char *methodToString(WebRequestMethod) { return "METHOD"; }
-bool methodMatches(WebRequestMethodComposite c, WebRequestMethod m) { return false; };
+int stringToMethod(const String &) {
+  return 0;
+}
+const char *methodToString(WebRequestMethod) {
+  return "METHOD";
+}
+bool methodMatches(WebRequestMethodComposite c, WebRequestMethod m) {
+  return false;
+};
+
+static WebRequestMethodComposite allowed = AsyncWebRequestMethod::HTTP_HEAD | AsyncWebRequestMethod::HTTP_OPTIONS;
+
+class MyRequestHandler : public AsyncWebHandler {
+public:
+  bool canHandle(__unused AsyncWebServerRequest *request) const override {
+    // Test backward compatibility with previous way of checking if a method is allowed in a composite using a bit operator
+    return allowed & request->method();
+  }
+
+  void handleRequest(AsyncWebServerRequest *request) override {
+    request->send(200, "text/plain", "Hello from custom handler");
+  }
+};
 
 void setup() {
   Serial.begin(115200);
@@ -51,6 +71,11 @@ void setup() {
     request->send(200, "text/plain", "Hello");
   });
 
+  // curl -v -X HEAD http://192.168.4.1/custom => answers
+  // curl -v -X OPTIONS http://192.168.4.1/custom => answers
+  // curl -v -X POST http://192.168.4.1/custom => no answer
+  server.addHandler(new MyRequestHandler());
+
   server.begin();
 }