Examples of org.mortbay.jetty.Request

org.mortbay.jetty.Request
Jetty Request.
Implements {@link javax.servlet.HttpServletRequest} from the {@link javax.servlet} package.

The standard interface of mostly getters, is extended with setters so that the request is mutable by the handlers that it is passed to. This allows the request object to be as lightweight as possible and not actually implement any significant behaviour. For example
- The {@link getContextPath} method will return null, until the requeset has been passed to a {@link ContextHandler} which matches the {@link getPathInfo} with a contextpath and calls {@link setContextPath} as a result.
- the HTTP session methods will all return null sessions until such time as a request has been passed to a {@link org.mortbay.jetty.servlet.SessionHandler} which checks for session cookiesand enables the ability to create new sessions.
- The {@link getServletPath} method will return null until the request has beenpassed to a {@link org.mortbay.jetty.servlet.ServletHandler} and the pathInfo matchedagainst the servlet URL patterns and {@link setServletPath} called as a result.
A request instance is created for each {@link HttpConnection} accepted by the server and recycled for each HTTP request received via that connection. An effort is made to avoid reparsing headers and cookies that are likely to be the same for requests from the same connection. @author gregw

        String old_servlet_path=null;
        String old_path_info=null;
        ClassLoader old_classloader=null;
        Thread current_thread=null;
        
        Request base_request=(request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
        if( !isStarted() || _shutdown || (dispatch==REQUEST && base_request.isHandled()))
            return;
        
        old_context=base_request.getContext();
        
        // Are we already in this context?
        if (old_context!=_scontext)
        {
            new_context=true;
            
            // Check the vhosts
            if (_vhosts!=null && _vhosts.length>0)
            {
                String vhost = normalizeHostname( request.getServerName());


                boolean match=false;
                
                // TODO non-linear lookup
                for (int i=0;!match && i<_vhosts.length;i++)
                {
                    String contextVhost = _vhosts[i];
                    if(contextVhost==null) continue;
                    if(contextVhost.startsWith("*.")) {
                        // wildcard only at the beginning, and only for one additional subdomain level
                        match=contextVhost.regionMatches(true,2,vhost,vhost.indexOf(".")+1,contextVhost.length()-2);
                    } else
                        match=contextVhost.equalsIgnoreCase(vhost);
                }
                if (!match)
                    return;
            }
            
            // Check the connector
            if (_connectors!=null && _connectors.size()>0)
            {
                String connector=HttpConnection.getCurrentConnection().getConnector().getName();
                if (connector==null || !_connectors.contains(connector))
                    return;
            }
            
            // Nope - so check the target.
            if (dispatch==REQUEST)
            {
                if (_compactPath)
                    target=URIUtil.compactPath(target);
                
                if (target.equals(_contextPath))
                {
                    if (!_allowNullPathInfo && !target.endsWith(URIUtil.SLASH))
                    {
                        base_request.setHandled(true);
                        if (request.getQueryString()!=null)
                            response.sendRedirect(response.encodeRedirectURL(URIUtil.addPaths(request.getRequestURI(),URIUtil.SLASH)+"?"+request.getQueryString()));
                        else 
                            response.sendRedirect(response.encodeRedirectURL(URIUtil.addPaths(request.getRequestURI(),URIUtil.SLASH)));
                        return;
                    }
                    if (_contextPath.length()>1)
                    {
                        target=URIUtil.SLASH;
                        request.setAttribute("org.mortbay.jetty.nullPathInfo",target);
                    }
                }
                else if (target.startsWith(_contextPath) && (_contextPath.length()==1 || target.charAt(_contextPath.length())=='/'))
                {
                    if (_contextPath.length()>1)
                        target=target.substring(_contextPath.length());
                }
                else 
                {
                    // Not for this context!
                    return;
                }
            }
        }
        
        try
        {
            old_context_path=base_request.getContextPath();
            old_servlet_path=base_request.getServletPath();
            old_path_info=base_request.getPathInfo();
            
            // Update the paths
            base_request.setContext(_scontext);
            if (dispatch!=INCLUDE && target.startsWith("/"))
            {
                if (_contextPath.length()==1)
                    base_request.setContextPath("");
                else
                    base_request.setContextPath(_contextPath);
                base_request.setServletPath(null);
                base_request.setPathInfo(target);
            }


            ServletRequestEvent event=null;
            if (new_context)
            {
                // Set the classloader
                if (_classLoader!=null)
                {
                    current_thread=Thread.currentThread();
                    old_classloader=current_thread.getContextClassLoader();
                    current_thread.setContextClassLoader(_classLoader);
                }
                
                // Handle the REALLY SILLY request events!
                base_request.setRequestListeners(_requestListeners);
                if (_requestAttributeListeners!=null)
                {
                    final int s=LazyList.size(_requestAttributeListeners);
                    for(int i=0;i<s;i++)
                        base_request.addEventListener(((EventListener)LazyList.get(_requestAttributeListeners,i)));
                }
            }
            
            // Handle the request
            try
            {
                if (dispatch==REQUEST && isProtectedTarget(target))
                    throw new HttpException(HttpServletResponse.SC_NOT_FOUND);
                
                Handler handler = getHandler();
                if (handler!=null)
                    handler.handle(target, request, response, dispatch);
            }
            catch(HttpException e)
            {
                Log.debug(e);
                response.sendError(e.getStatus(), e.getReason());
            }
            finally
            {
                // Handle more REALLY SILLY request events!
                if (new_context)
                {
                    base_request.takeRequestListeners();
                    if (_requestAttributeListeners!=null)
                    {
                        for(int i=LazyList.size(_requestAttributeListeners);i-->0;)
                            base_request.removeEventListener(((EventListener)LazyList.get(_requestAttributeListeners,i)));
                    }
                }
            }
        }
        finally
        {
            if (old_context!=_scontext)
            {
                // reset the classloader
                if (_classLoader!=null)
                {
                    current_thread.setContextClassLoader(old_classloader);
                }
                
                // reset the context and servlet path.
                base_request.setContext(old_context);
                base_request.setContextPath(old_context_path);
                base_request.setServletPath(old_servlet_path);
                base_request.setPathInfo(old_path_info); 
            }
        }
    }

View Full Code Here

            return handled;
        }


        public void handle(String s, HttpServletRequest request, HttpServletResponse response, int i) throws IOException, ServletException
        {
            Request base_request = (request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
            base_request.setHandled(true);
            this.handled = true;
        }

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            return handled;
        }


        public void handle(String s, HttpServletRequest request, HttpServletResponse response, int i) throws IOException, ServletException
        {
            Request base_request = (request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
            base_request.setHandled(true);
            this.handled = true;
        }

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    {
        Handler handler = new AbstractHandler()
        {
            public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
            {
                Request baseRequest = (Request)request;
                baseRequest.setHandled(true);
                Reader reader=request.getReader();
                byte[] b=("read="+reader.read()+"\n").getBytes(StringUtil.__UTF8);
                response.setContentLength(b.length);
                response.getOutputStream().write(b);
                response.flushBuffer();

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    {
        Handler handler = new AbstractHandler()
        {
            public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
            {
                Request baseRequest = (Request)request;
                baseRequest.setHandled(true);
                Reader reader=request.getReader();
                String in = IO.toString(reader);
                String param = request.getParameter("param");
                
                byte[] b=("read='"+in+"' param="+param+"\n").getBytes(StringUtil.__UTF8);

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        if (isStarted())
        { 
            String returned = _rules.matchAndApply(target, request, response);
            target = (returned == null) ? target : returned;
            
            Request baseRequest = (request instanceof Request?(Request)request:HttpConnection.getCurrentConnection().getRequest());
            
            if (!baseRequest.isHandled())
            {
                super.handle(target, request, response, dispatch);
            }
        }
    }

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            writer.close();
        }
        finally
        {
            Request base_request = (req instanceof Request) ? (Request)req:HttpConnection.getCurrentConnection().getRequest();
            base_request.setHandled(true);
        }
    }

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        }


        public void handle( String target, HttpServletRequest request, HttpServletResponse response, int dispatch )
            throws IOException, ServletException
        {
            Request base_request =
                request instanceof Request ? (Request) request : HttpConnection.getCurrentConnection().getRequest();


            if ( base_request.isHandled() || !"PUT".equals( base_request.getMethod() ) )
            {
                return;
            }


            base_request.setHandled( true );


            File file = new File( resourceBase, URLDecoder.decode( request.getPathInfo() ) );
            file.getParentFile().mkdirs();
            FileOutputStream out = new FileOutputStream( file );
            ServletInputStream in = request.getInputStream();

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        }


        public void handle( String target, HttpServletRequest request, HttpServletResponse response, int dispatch )
            throws IOException, ServletException
        {
            Request base_request =
                request instanceof Request ? (Request) request : HttpConnection.getCurrentConnection().getRequest();


            if ( base_request.isHandled() || !"PUT".equals( base_request.getMethod() ) )
            {
                return;
            }


            base_request.setHandled( true );


            File file = new File( resourceBase, URLDecoder.decode( request.getPathInfo() ) );
            file.getParentFile().mkdirs();
            FileOutputStream out = new FileOutputStream( file );
            ServletInputStream in = request.getInputStream();

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    @Override
    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
    {
        setRequestedId(request, dispatch);


        Request currentRequest = (request instanceof Request) ? (Request)request : HttpConnection.getCurrentConnection().getRequest();


        SessionManager requestSessionManager = currentRequest.getSessionManager();
        HttpSession requestSession = currentRequest.getSession(false);


        TerracottaSessionManager sessionManager = (TerracottaSessionManager)getSessionManager();
        Log.debug("SessionManager = {}", sessionManager);


        // Is it a cross context dispatch or a direct hit to this context ?
        if (sessionManager != requestSessionManager)
        {
            // Setup the request for this context
            currentRequest.setSessionManager(sessionManager);
            currentRequest.setSession(null);
        }


        // Tell the session manager that the request is entering
        if (sessionManager != null) sessionManager.enter(currentRequest);
        try
        {
            HttpSession currentSession = null;
            if (sessionManager != null)
            {
                currentSession = currentRequest.getSession(false);
                if (currentSession != null)
                {
                    if (currentSession != requestSession)
                    {
                        // Access the session only if we did not already
                        Cookie cookie = sessionManager.access(currentSession, request.isSecure());
                        if (cookie != null)
                        {
                            // Handle changed session id or cookie max-age refresh
                            response.addCookie(cookie);
                        }
                    }
                    else
                    {
                        // Handle resume of the request
                        currentSession = currentRequest.recoverNewSession(sessionManager);
                        if (currentSession != null) currentRequest.setSession(currentSession);
                    }
                }
            }
            Log.debug("Session = {}", currentSession);


            getHandler().handle(target, request, response, dispatch);
        }
        catch (RetryRequest x)
        {
            // User may have invalidated the session, must get it again
            HttpSession currentSession = currentRequest.getSession(false);
            if (currentSession != null && currentSession.isNew())
                currentRequest.saveNewSession(sessionManager, currentSession);


            throw x;
        }
        finally
        {
            if (sessionManager != null)
            {
                // User may have invalidated the session, must get it again
                HttpSession currentSession = currentRequest.getSession(false);
                if (currentSession != null) sessionManager.complete(currentSession);


                sessionManager.exit(currentRequest);
            }


            // Restore cross context dispatch
            if (sessionManager != requestSessionManager)
            {
                currentRequest.setSessionManager(requestSessionManager);
                currentRequest.setSession(requestSession);
            }
        }
    }

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