Create UndertowPathParam.java

janbodnar · web-flow · commit 20be06c07438 · 2019-08-11T17:20:33.000+02:00
diff --git a/web/undertow/pathparam/UndertowPathParam.java b/web/undertow/pathparam/UndertowPathParam.java
@@ -0,0 +1,41 @@
+package com.zetcode;
+
+import io.undertow.Handlers;
+import io.undertow.Undertow;
+import io.undertow.server.HttpHandler;
+import io.undertow.server.HttpServerExchange;
+import io.undertow.util.Headers;
+import io.undertow.util.PathTemplateMatch;
+
+class ItemHandler implements HttpHandler {
+
+    @Override
+    public void handleRequest(HttpServerExchange exchange) {
+        exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
+
+        // Method 1
+//        PathTemplateMatch pathMatch = exchange.getAttachment(PathTemplateMatch.ATTACHMENT_KEY);
+//        String itemId = pathMatch.getParameters().get("itemId");
+
+        // Method 2
+        String itemId = exchange.getQueryParameters().get("itemId").getFirst();
+
+        var msg = String.format("Received Item Id %s", itemId);
+
+        exchange.getResponseSender().send(msg);
+    }
+}
+
+public class UndertowPathParam {
+
+    public static void main(String[] args) {
+
+        Undertow server = Undertow.builder()
+                .addHttpListener(8080, "0.0.0.0")
+                .setHandler(Handlers.pathTemplate()
+                        .add("/item/{itemId}", new ItemHandler())
+                )
+                .build();
+        server.start();
+    }
+}
