/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.undertow.servlet.test.upgrade; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpUpgradeHandler; import javax.servlet.http.WebConnection; import io.undertow.UndertowLogger; /** * Simple upgrade servlet. Because the apache http client does not handle upgrades we keep faking http * after we upgrade * * @author Stuart Douglas */ public class UpgradeServlet extends HttpServlet { @Override protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException { req.upgrade(Handler.class); } public static class Handler implements HttpUpgradeHandler { @Override public void init(final WebConnection wc) { try { String message = ""; do { //an incredibly poxy implementation of an echo server, that uses /r/n/r/n to delineate messages final StringBuilder builder = new StringBuilder(); byte[] data = new byte[100]; int read; while (!builder.toString().endsWith("\r\n\r\n") && (read = wc.getInputStream().read(data)) != -1) { builder.append(new String(data, 0, read)); } wc.getOutputStream().print(builder.toString()); wc.getOutputStream().flush(); message = builder.toString(); } while (!"exit\r\n\r\n".equals(message)); } catch (IOException e) { UndertowLogger.REQUEST_IO_LOGGER.ioException(e); } finally { try { wc.close(); } catch (Exception e) { UndertowLogger.REQUEST_IO_LOGGER.ioException(new IOException(e)); } } } @Override public void destroy() { } } }