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Browser - Cross Origin Resource Sharing (CORS) configuration in Vertx.

See example at Cors Example

Example

extracted from Server.java

Router router = Router.router(vertx);

Set<String> allowedHeaders = new HashSet<>();
allowedHeaders.add("x-requested-with");
allowedHeaders.add("Access-Control-Allow-Origin");
allowedHeaders.add("origin");
allowedHeaders.add("Content-Type");
allowedHeaders.add("accept");
allowedHeaders.add("X-PINGARUNER");

Set<HttpMethod> allowedMethods = new HashSet<>();
allowedMethods.add(HttpMethod.GET);
allowedMethods.add(HttpMethod.POST);
allowedMethods.add(HttpMethod.OPTIONS);
/*
 * these methods aren't necessary for this sample, 
 * but you may need them for your projects
 */
allowedMethods.add(HttpMethod.DELETE);
allowedMethods.add(HttpMethod.PATCH);
allowedMethods.add(HttpMethod.PUT);

router.route().handler(CorsHandler.create("*").allowedHeaders(allowedHeaders).allowedMethods(allowedMethods));