| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.wicket.protocol.ws.jetty; |
| |
| import org.apache.wicket.protocol.http.WebApplication; |
| import org.apache.wicket.protocol.ws.AbstractUpgradeFilter; |
| import org.eclipse.jetty.websocket.WebSocket; |
| import org.eclipse.jetty.websocket.WebSocketFactory; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.FilterConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * An upgrade filter that uses Jetty's WebSocketFactory to decide whether to upgrade or not. |
| */ |
| public class Jetty7WebSocketFilter extends AbstractUpgradeFilter implements WebSocketFactory.Acceptor |
| { |
| private WebSocketFactory _webSocketFactory; |
| |
| public Jetty7WebSocketFilter() |
| { |
| super(); |
| } |
| |
| public Jetty7WebSocketFilter(WebApplication application) |
| { |
| super(application); |
| } |
| |
| @Override |
| public void init(final boolean isServlet, final FilterConfig filterConfig) |
| throws ServletException |
| { |
| super.init(isServlet, filterConfig); |
| |
| try |
| { |
| String bs = filterConfig.getInitParameter("bufferSize"); |
| _webSocketFactory = new WebSocketFactory(this, bs == null ? 8192 : Integer.parseInt(bs)); |
| _webSocketFactory.start(); |
| |
| String max = filterConfig.getInitParameter("maxIdleTime"); |
| if (max != null) |
| _webSocketFactory.setMaxIdleTime(Integer.parseInt(max)); |
| |
| max = filterConfig.getInitParameter("maxTextMessageSize"); |
| if (max != null) |
| _webSocketFactory.setMaxTextMessageSize(Integer.parseInt(max)); |
| |
| max = filterConfig.getInitParameter("maxBinaryMessageSize"); |
| if (max != null) |
| _webSocketFactory.setMaxBinaryMessageSize(Integer.parseInt(max)); |
| } |
| catch (ServletException x) |
| { |
| throw x; |
| } |
| catch (Exception x) |
| { |
| throw new ServletException(x); |
| } |
| } |
| |
| @Override |
| protected boolean acceptWebSocket(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException |
| { |
| return super.acceptWebSocket(req, resp) && _webSocketFactory.acceptWebSocket(req, resp); |
| } |
| |
| @Override |
| public WebSocket doWebSocketConnect(HttpServletRequest request, String protocol) |
| { |
| JettyWebSocketProcessor webSocketHandler = new JettyWebSocketProcessor(request, getApplication()); |
| return webSocketHandler.new JettyWebSocket(); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| @Override |
| public boolean checkOrigin(HttpServletRequest request, String origin) |
| { |
| return true; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| @Override |
| public void destroy() |
| { |
| try |
| { |
| _webSocketFactory.stop(); |
| } |
| catch (Exception x) |
| { |
| x.printStackTrace(); |
| } |
| |
| super.destroy(); |
| } |
| } |