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The MIT License Copyright (c) 2010 Tad Glines Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 package com.glines.socketio.server.transport;
 public class XHRMultipartTransport extends XHRTransport {
 	public static final String TRANSPORT_NAME = "xhr-multipart";
 	private static final int MULTIPART_BOUNDARY_LENGTH = 20;
 	private class XHRMultipartSessionHelper extends XHRSessionHelper {
 		private final String contentType;
 		private final String boundary;
 		private final String boundarySeperator;
 		private IdleCheck _idleCheck;
         private IdleCheck getIdleCheck() {
             if( == null) {
                  = ConnectionTimeoutPreventor.newTimeoutPreventor();
             return ;
 			 = "--" + ;
 			 = "multipart/x-mixed-replace;boundary=\""++"\"";
 			 = idleCheck;
 		protected void startSend(HttpServletResponse responsethrows IOException {
 			ServletOutputStream os = response.getOutputStream();
 		protected void writeData(ServletResponse responseString datathrows IOException {
 			try {
             } catch (Exception e) { Log.warn(e); }
 			Log.debug("Session["+.getSessionId()+"]: writeData(START): " + data);
 			ServletOutputStream os = response.getOutputStream();
 			os.println("Content-Type: text/plain");
 			Log.debug("Session["+.getSessionId()+"]: writeData(END): " + data);
 		protected void finishSend(ServletResponse responsethrows IOException {
 		protected void customConnect(HttpServletRequest request,
 				HttpServletResponse responsethrows IOException {
 			writeData(response, SocketIOFrame.encode(.., 0, "" + ));
 	public XHRMultipartTransport(int bufferSizeint maxIdleTime) {
	public String getName() {
		IdleCheck idleCheck = ConnectionTimeoutPreventor.newTimeoutPreventor();
		return new XHRMultipartSessionHelper(sessionidleCheck);
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