Examples of org.eclipse.jetty.server.Request

org.eclipse.jetty.server.Request
Jetty Request.
Implements {@link javax.servlet.http.HttpServletRequest} from the javax.servlet.http 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 behavior. For example
- The {@link Request#getContextPath()} method will return null, until the request has been passed to a {@link ContextHandler} which matches the{@link Request#getPathInfo()} with a context path and calls {@link Request#setContextPath(String)} 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.eclipse.jetty.server.session.SessionHandler} which checks for session cookies and enables the ability to create new sessions.
- The {@link Request#getServletPath()} method will return null until the request has been passed to a org.eclipse.jetty.servlet.ServletHandlerand the pathInfo matched against the servlet URL patterns and {@link Request#setServletPath(String)} called as a result.
A request instance is created for each connection 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.
The form content that a request can process is limited to protect from Denial of Service attacks. The size in bytes is limited by {@link ContextHandler#getMaxFormContentSize()} or if there is no context then the "org.eclipse.jetty.server.Request.maxFormContentSize" {@link Server}attribute. The number of parameters keys is limited by {@link ContextHandler#getMaxFormKeys()} or if there is no context then the"org.eclipse.jetty.server.Request.maxFormKeys" {@link Server} attribute.

    private int _confidentialPort;
    
    protected Session(HttpServletRequest httpServletRequest)
        {
           super(httpServletRequest);
           Request request = (Request) httpServletRequest;
           _serverName = request.getServerName();
           _scheme = request.getScheme();
           _confidentialPort = ((Request) request).getConnection().getConnector().getConfidentialPort();
           _port = request.getServerPort();
           updateSession(request);
           
        }

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                             HttpServletRequest req,
                             HttpServletResponse resp) throws IOException {
        if (context == null) {
            context = servletContext;
        }
        Request baseRequest = (req instanceof Request) 
            ? (Request)req : getCurrentRequest();
            
        if (!"HEAD".equals(req.getMethod())) {
            //bug in Jetty with persistent connections that if a HEAD is
            //sent, a _head flag is never reset
            AbstractConnection c = getConnectionForRequest(baseRequest);
            if (c != null) {
                setHeadFalse(c);
            }
        }
        if (getServer().isSetRedirectURL()) {
            resp.sendRedirect(getServer().getRedirectURL());
            resp.flushBuffer();
            baseRequest.setHandled(true);
            return;
        }
        QueryHandlerRegistry queryHandlerRegistry = bus.getExtension(QueryHandlerRegistry.class);
        
        if (null != req.getQueryString() && queryHandlerRegistry != null) {   
            String reqAddr = req.getRequestURL().toString();
            String requestURL =  reqAddr + "?" + req.getQueryString();
            String pathInfo = req.getPathInfo();                     
            for (QueryHandler qh : queryHandlerRegistry.getHandlers()) {
                boolean recognized =
                    qh instanceof StemMatchingQueryHandler
                    ? ((StemMatchingQueryHandler)qh).isRecognizedQuery(requestURL,
                                                                       pathInfo,
                                                                       endpointInfo,
                                                                       contextMatchOnExact())
                    : qh.isRecognizedQuery(requestURL, pathInfo, endpointInfo);
                if (recognized) {
                    //replace the endpointInfo address with request url only for get wsdl
                    String errorMsg = null;
                    CachedOutputStream out = new CachedOutputStream();
                    try {
                        synchronized (endpointInfo) {
                            String oldAddress = updateEndpointAddress(reqAddr);   
                            resp.setContentType(qh.getResponseContentType(requestURL, pathInfo));
                            try {
                                qh.writeResponse(requestURL, pathInfo, endpointInfo, out);
                            } catch (Exception ex) {
                                LOG.log(Level.WARNING, "writeResponse failed: ", ex);
                                errorMsg = ex.getMessage();
                            }
                            endpointInfo.setAddress(oldAddress);
                        }
                        if (errorMsg != null) {
                            resp.sendError(500, errorMsg);
                        } else {
                            out.writeCacheTo(resp.getOutputStream());
                            resp.getOutputStream().flush();                     
                        }
                    } finally {
                        out.close();
                    }
                    baseRequest.setHandled(true);
                    return;
                }
            }
        }

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    protected void serviceRequest(final ServletContext context, 
                                  final HttpServletRequest req, 
                                  final HttpServletResponse resp)
        throws IOException {
        Request baseRequest = (req instanceof Request) 
            ? (Request)req : getCurrentRequest();
        
        if (LOG.isLoggable(Level.FINE)) {
            LOG.fine("Service http request on thread: " + Thread.currentThread());
        }
        Message inMessage = retrieveFromContinuation(req);
        
        if (inMessage == null) {
            
            inMessage = new MessageImpl();
            ExchangeImpl exchange = new ExchangeImpl();
            exchange.setInMessage(inMessage);
            setupMessage(inMessage, context, req, resp);
            
            ((MessageImpl)inMessage).setDestination(this);
    
            exchange.setSession(new HTTPSession(req));
        }
        
        try {    
            incomingObserver.onMessage(inMessage);
            resp.flushBuffer();
            baseRequest.setHandled(true);
            ContinuationProvider p = inMessage.get(ContinuationProvider.class);
            if (p != null) {
                p.complete();
            }
        } catch (SuspendedInvocationException ex) {

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    }


    //TODO: create handler mapping and war config object
    @RequestMapping("/**")
    public void handleWar(HttpServletRequest servletRequest, HttpServletResponse servletResponse) throws IOException, ServletException {
        Request jettyRequest = findRequest(servletRequest);
        String requestURI = servletRequest.getRequestURI();
        requestURI = requestURI.substring("/hello".length());
        webapp.handle(requestURI, jettyRequest, servletRequest, servletResponse);
    }

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                    // Can't use sendRedirect, as that forces it to be a temp redirect.
                        jettyResponse.setStatus(HttpStatus.SC_MOVED_PERMANENTLY);
                        jettyResponse.setHeader("Location", "http://localhost:8089/redirect");
                        if (servletRequest instanceof Request) {
                            Request request = (Request) servletRequest;
                            request.setHandled(true);
                        }
                    }
                } else {
                    response.sendRedirect("http://localhost:8089/redirect");
                }

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                    Response jettyResponse = (Response) response;
                    jettyResponse.setStatus(HttpStatus.SC_MOVED_PERMANENTLY);
                    jettyResponse.setHeader("Location", REDIRECT_TARGET_URL);
                }
                if (request instanceof Request) {
                    Request jettyRequest = (Request) request;
                    jettyRequest.setHandled(true);
                }
            } else {
                response.sendRedirect(REDIRECT_TARGET_URL);
            }
        }

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        });


        this.listener = new ContinuationListener() {
            @Override
            public void onComplete(Continuation continuation) {
                final Request request = ((AsyncContinuation) continuation).getBaseRequest();
                updateResponses(request);
                if (!continuation.isResumed()) {
                    activeSuspendedRequests.dec();
                }
                expires.mark();
            }


            @Override
            public void onTimeout(Continuation continuation) {
                final Request request = ((AsyncContinuation) continuation).getBaseRequest();
                updateResponses(request);
                if (!continuation.isResumed()) {
                    activeSuspendedRequests.dec();
                }
            }

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                             HttpServletRequest req,
                             HttpServletResponse resp) throws IOException {
        if (context == null) {
            context = servletContext;
        }
        Request baseRequest = (req instanceof Request) 
            ? (Request)req : HttpConnection.getCurrentConnection().getRequest();
            
        if (!"HEAD".equals(req.getMethod())) {
            //bug in Jetty with persistent connections that if a HEAD is
            //sent, a _head flag is never reset
            HttpConnection c = baseRequest.getConnection();
            if (c != null) {
                c.getGenerator().setHead(false);
            }
        }
        if (getServer().isSetRedirectURL()) {
            resp.sendRedirect(getServer().getRedirectURL());
            resp.flushBuffer();
            baseRequest.setHandled(true);
            return;
        }
        QueryHandlerRegistry queryHandlerRegistry = bus.getExtension(QueryHandlerRegistry.class);
        
        if (null != req.getQueryString() && queryHandlerRegistry != null) {   
            String reqAddr = req.getRequestURL().toString();
            String requestURL =  reqAddr + "?" + req.getQueryString();
            String pathInfo = req.getPathInfo();                     
            for (QueryHandler qh : queryHandlerRegistry.getHandlers()) {
                boolean recognized =
                    qh instanceof StemMatchingQueryHandler
                    ? ((StemMatchingQueryHandler)qh).isRecognizedQuery(requestURL,
                                                                       pathInfo,
                                                                       endpointInfo,
                                                                       contextMatchOnExact())
                    : qh.isRecognizedQuery(requestURL, pathInfo, endpointInfo);
                if (recognized) {
                    //replace the endpointInfo address with request url only for get wsdl
                    String errorMsg = null;
                    CachedOutputStream out = new CachedOutputStream();
                    try {
                        synchronized (endpointInfo) {
                            String oldAddress = updateEndpointAddress(reqAddr);   
                            resp.setContentType(qh.getResponseContentType(requestURL, pathInfo));
                            try {
                                qh.writeResponse(requestURL, pathInfo, endpointInfo, out);
                            } catch (Exception ex) {
                                LOG.log(Level.WARNING, "writeResponse failed: ", ex);
                                errorMsg = ex.getMessage();
                            }
                            endpointInfo.setAddress(oldAddress);
                        }
                        if (errorMsg != null) {
                            resp.sendError(500, errorMsg);
                        } else {
                            out.writeCacheTo(resp.getOutputStream());
                            resp.getOutputStream().flush();                     
                        }
                    } finally {
                        out.close();
                    }
                    baseRequest.setHandled(true);
                    return;
                }
            }
        }

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    protected void serviceRequest(final ServletContext context, 
                                  final HttpServletRequest req, 
                                  final HttpServletResponse resp)
        throws IOException {
        Request baseRequest = (req instanceof Request) 
            ? (Request)req : HttpConnection.getCurrentConnection().getRequest();
        
        if (LOG.isLoggable(Level.FINE)) {
            LOG.fine("Service http request on thread: " + Thread.currentThread());
        }
        Message inMessage = retrieveFromContinuation(req);
        
        if (inMessage == null) {
            
            inMessage = new MessageImpl();
            setupMessage(inMessage, context, req, resp);
            
            ((MessageImpl)inMessage).setDestination(this);
    
            ExchangeImpl exchange = new ExchangeImpl();
            exchange.setInMessage(inMessage);
            exchange.setSession(new HTTPSession(req));
        }
        
        try {    
            incomingObserver.onMessage(inMessage);
            resp.flushBuffer();
            baseRequest.setHandled(true);
        } catch (SuspendedInvocationException ex) {
            if (ex.getRuntimeException() != null) {
                throw ex.getRuntimeException();
            }
            //else nothing to do

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                             HttpServletRequest req,
                             HttpServletResponse resp) throws IOException {
        if (context == null) {
            context = servletContext;
        }
        Request baseRequest = (req instanceof Request) 
            ? (Request)req : getCurrentRequest();
            
        if (!"HEAD".equals(req.getMethod())) {
            //bug in Jetty with persistent connections that if a HEAD is
            //sent, a _head flag is never reset
            AbstractConnection c = getConnectionForRequest(baseRequest);
            if (c != null) {
                setHeadFalse(c);
            }
        }
        if (getServer().isSetRedirectURL()) {
            resp.sendRedirect(getServer().getRedirectURL());
            resp.flushBuffer();
            baseRequest.setHandled(true);
            return;
        }
        QueryHandlerRegistry queryHandlerRegistry = bus.getExtension(QueryHandlerRegistry.class);
        
        if (null != req.getQueryString() && queryHandlerRegistry != null) {   
            String reqAddr = req.getRequestURL().toString();
            String requestURL =  reqAddr + "?" + req.getQueryString();
            String pathInfo = req.getPathInfo();                     
            for (QueryHandler qh : queryHandlerRegistry.getHandlers()) {
                boolean recognized =
                    qh instanceof StemMatchingQueryHandler
                    ? ((StemMatchingQueryHandler)qh).isRecognizedQuery(requestURL,
                                                                       pathInfo,
                                                                       endpointInfo,
                                                                       contextMatchOnExact())
                    : qh.isRecognizedQuery(requestURL, pathInfo, endpointInfo);
                if (recognized) {
                    //replace the endpointInfo address with request url only for get wsdl
                    String errorMsg = null;
                    CachedOutputStream out = new CachedOutputStream();
                    try {
                        synchronized (endpointInfo) {
                            String oldAddress = updateEndpointAddress(reqAddr);   
                            resp.setContentType(qh.getResponseContentType(requestURL, pathInfo));
                            try {
                                qh.writeResponse(requestURL, pathInfo, endpointInfo, out);
                            } catch (Exception ex) {
                                LOG.log(Level.WARNING, "writeResponse failed: ", ex);
                                errorMsg = ex.getMessage();
                            }
                            endpointInfo.setAddress(oldAddress);
                        }
                        if (errorMsg != null) {
                            resp.sendError(500, errorMsg);
                        } else {
                            out.writeCacheTo(resp.getOutputStream());
                            resp.getOutputStream().flush();                     
                        }
                    } finally {
                        out.close();
                    }
                    baseRequest.setHandled(true);
                    return;
                }
            }
        }

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