| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.websocket.server; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.pathmap.MappedResource; |
| import org.eclipse.jetty.http.pathmap.PathMappings; |
| import org.eclipse.jetty.http.pathmap.PathSpec; |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.io.MappedByteBufferPool; |
| import org.eclipse.jetty.server.Request; |
| import org.eclipse.jetty.server.handler.HandlerWrapper; |
| import org.eclipse.jetty.websocket.servlet.WebSocketCreator; |
| |
| public class WebSocketUpgradeHandlerWrapper extends HandlerWrapper implements MappedWebSocketCreator |
| { |
| private PathMappings<WebSocketCreator> pathmap = new PathMappings<>(); |
| private final WebSocketServerFactory factory; |
| |
| public WebSocketUpgradeHandlerWrapper() |
| { |
| this(new MappedByteBufferPool()); |
| } |
| |
| public WebSocketUpgradeHandlerWrapper(ByteBufferPool bufferPool) |
| { |
| factory = new WebSocketServerFactory(bufferPool); |
| } |
| |
| @Override |
| public void addMapping(PathSpec spec, WebSocketCreator creator) |
| { |
| pathmap.put(spec,creator); |
| } |
| |
| @Override |
| public PathMappings<WebSocketCreator> getMappings() |
| { |
| return pathmap; |
| } |
| |
| @Override |
| public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException |
| { |
| if (factory.isUpgradeRequest(request,response)) |
| { |
| MappedResource<WebSocketCreator> resource = pathmap.getMatch(target); |
| if (resource == null) |
| { |
| // no match. |
| response.sendError(HttpServletResponse.SC_NOT_FOUND,"No websocket endpoint matching path: " + target); |
| return; |
| } |
| |
| WebSocketCreator creator = resource.getResource(); |
| |
| // Store PathSpec resource mapping as request attribute |
| request.setAttribute(PathSpec.class.getName(),resource); |
| |
| // We have an upgrade request |
| if (factory.acceptWebSocket(creator,request,response)) |
| { |
| // We have a socket instance created |
| return; |
| } |
| |
| // If we reach this point, it means we had an incoming request to upgrade |
| // but it was either not a proper websocket upgrade, or it was possibly rejected |
| // due to incoming request constraints (controlled by WebSocketCreator) |
| if (response.isCommitted()) |
| { |
| // not much we can do at this point. |
| return; |
| } |
| } |
| super.handle(target,baseRequest,request,response); |
| } |
| } |