Importing upstream Jetty jetty-9.2.1.v20140609

[gigi.git] / lib / jetty / org / eclipse / jetty / server / AsyncContextEvent.java

diff --git a/lib/jetty/org/eclipse/jetty/server/AsyncContextEvent.java b/lib/jetty/org/eclipse/jetty/server/AsyncContextEvent.java
new file mode 100644 (file)
index 0000000..cc0eec8
--- /dev/null
+++ b/lib/jetty/org/eclipse/jetty/server/AsyncContextEvent.java
@@ -0,0 +1,164 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 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 implements Runnable
+{
+    final private Context _context;
+    final private AsyncContextState _asyncContext;
+    private volatile HttpChannelState _state;
+    private ServletContext _dispatchContext;
+    private String _dispatchPath;
+    private volatile 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 _dispatchPath;
+    }
+    
+    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 setDispatchContext(ServletContext context)
+    {
+        _dispatchContext=context;
+    }
+    
+    public void setDispatchPath(String path)
+    {
+        _dispatchPath=path;
+    }
+    
+    public void completed()
+    {
+        _timeoutTask=null;
+        _asyncContext.reset();
+    }
+
+    public HttpChannelState getHttpChannelState()
+    {
+        return _state;
+    }
+
+    @Override
+    public void run()
+    {
+        Scheduler.Task task=_timeoutTask;
+        _timeoutTask=null;
+        if (task!=null)
+            _state.expired();
+    }
+
+}