| /* |
| * Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package test; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| import jakarta.servlet.ServletException; |
| import jakarta.servlet.ServletOutputStream; |
| import jakarta.servlet.annotation.HttpMethodConstraint; |
| import jakarta.servlet.annotation.ServletSecurity; |
| import jakarta.servlet.annotation.WebServlet; |
| import jakarta.servlet.http.HttpServlet; |
| import jakarta.servlet.http.HttpServletRequest; |
| import jakarta.servlet.http.HttpServletResponse; |
| import jakarta.servlet.http.PushBuilder; |
| import static jakarta.servlet.annotation.ServletSecurity.TransportGuarantee.CONFIDENTIAL; |
| |
| @WebServlet(urlPatterns="/test") |
| @ServletSecurity(httpMethodConstraints={ |
| @HttpMethodConstraint(value="GET", transportGuarantee=CONFIDENTIAL) }) |
| public class TestServlet extends HttpServlet { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse res) |
| throws IOException, ServletException { |
| /* |
| * To test this in an HTTP/2 capable browser, visit |
| * https://localhost:8181/web-servlet-4.0-push-arbitrary-method/test |
| * and note that a push promise frame similar to the following |
| * has been pushed by the server. |
| |
| * HTTP2_SESSION_RECV_PUSH_PROMISE |
| * :method: FOO |
| * :scheme: https |
| * :authority: localhost:8181 |
| * :path: /web-servlet-4.0-push-arbitrary-method/foo/my.css |
| * host: localhost:8181 |
| * cache-control: max-age=0 |
| * upgrade-insecure-requests: 1 |
| * user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 |
| * accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,;q=0.8 |
| * accept-encoding: gzip, deflate, sdch, br |
| * accept-language: en-US,en;q=0.8 |
| * cookie: [375 bytes were stripped] |
| * referer: https://localhost:8181/web-servlet-4.0-push-arbitrary-method/test |
| */ |
| |
| PushBuilder pushBuilder = req.newPushBuilder(). |
| method("FOO"). |
| path("foo/my.css"); |
| pushBuilder.push(); |
| res.getWriter().println("<html><head><title>HTTP2 Test</title></head><body>Hello</body></html>"); |
| res.setStatus(HttpServletResponse.SC_OK); |
| return; |
| } |
| } |
