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//
// ========================================================================
// Copyright (c) 1995-2013 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.server;
import javax.servlet.AsyncContext;
import javax.servlet.AsyncEvent;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.eclipse.jetty.server.handler.ContextHandler.Context;
import org.eclipse.jetty.util.thread.Scheduler;
public class AsyncContextEvent extends AsyncEvent
{
final private Context _context;
final private AsyncContextState _asyncContext;
volatile HttpChannelState _state;
private ServletContext _dispatchContext;
private String _pathInContext;
private Scheduler.Task _timeoutTask;
private Throwable _throwable;
public AsyncContextEvent(Context context,AsyncContextState asyncContext, HttpChannelState state, Request baseRequest, ServletRequest request, ServletResponse response)
{
super(null,request,response,null);
_context=context;
_asyncContext=asyncContext;
_state=state;
// If we haven't been async dispatched before
if (baseRequest.getAttribute(AsyncContext.ASYNC_REQUEST_URI)==null)
{
// We are setting these attributes during startAsync, when the spec implies that
// they are only available after a call to AsyncContext.dispatch(...);
// have we been forwarded before?
String uri=(String)baseRequest.getAttribute(RequestDispatcher.FORWARD_REQUEST_URI);
if (uri!=null)
{
baseRequest.setAttribute(AsyncContext.ASYNC_REQUEST_URI,uri);
baseRequest.setAttribute(AsyncContext.ASYNC_CONTEXT_PATH,baseRequest.getAttribute(RequestDispatcher.FORWARD_CONTEXT_PATH));
baseRequest.setAttribute(AsyncContext.ASYNC_SERVLET_PATH,baseRequest.getAttribute(RequestDispatcher.FORWARD_SERVLET_PATH));
baseRequest.setAttribute(AsyncContext.ASYNC_PATH_INFO,baseRequest.getAttribute(RequestDispatcher.FORWARD_PATH_INFO));
baseRequest.setAttribute(AsyncContext.ASYNC_QUERY_STRING,baseRequest.getAttribute(RequestDispatcher.FORWARD_QUERY_STRING));
}
else
{
baseRequest.setAttribute(AsyncContext.ASYNC_REQUEST_URI,baseRequest.getRequestURI());
baseRequest.setAttribute(AsyncContext.ASYNC_CONTEXT_PATH,baseRequest.getContextPath());
baseRequest.setAttribute(AsyncContext.ASYNC_SERVLET_PATH,baseRequest.getServletPath());
baseRequest.setAttribute(AsyncContext.ASYNC_PATH_INFO,baseRequest.getPathInfo());
baseRequest.setAttribute(AsyncContext.ASYNC_QUERY_STRING,baseRequest.getQueryString());
}
}
}
public ServletContext getSuspendedContext()
{
return _context;
}
public Context getContext()
{
return _context;
}
public ServletContext getDispatchContext()
{
return _dispatchContext;
}
public ServletContext getServletContext()
{
return _dispatchContext==null?_context:_dispatchContext;
}
/**
* @return The path in the context
*/
public String getPath()
{
return _pathInContext;
}
public void setTimeoutTask(Scheduler.Task task)
{
_timeoutTask = task;
}
public void cancelTimeoutTask()
{
Scheduler.Task task=_timeoutTask;
_timeoutTask=null;
if (task!=null)
task.cancel();
}
@Override
public AsyncContext getAsyncContext()
{
return _asyncContext;
}
@Override
public Throwable getThrowable()
{
return _throwable;
}
public void setThrowable(Throwable throwable)
{
_throwable=throwable;
}
public void setDispatchTarget(ServletContext context, String path)
{
if (context!=null)
_dispatchContext=context;
if (path!=null)
_pathInContext=path;
}
public void completed()
{
_asyncContext.reset();
}
public HttpChannelState getHttpChannelState()
{
return _state;
}
}
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