Examples of javax.servlet.ServletRequest

javax.servlet.ServletRequest
Base request object interface definition. @author Rick Knowles

        configuration.setProperty("key1", "value1");
        configuration.setProperty("key2", "value2");
        configuration.addProperty("list", "value1");
        configuration.addProperty("list", "value2");


        ServletRequest request = new MockHttpServletRequest()
        {
            public String[] getParameterValues(String key)
            {
                return configuration.getStringArray(key);
            }

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    protected AbstractConfiguration getEmptyConfiguration()
    {
        final Configuration configuration = new BaseConfiguration();


        ServletRequest request = new MockHttpServletRequest()
        {
            public String getParameter(String key)
            {
                return null;
            }

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            throw UndertowServletMessages.MESSAGES.listenerCannotBeNull();
        }
        if (listener != null) {
            throw UndertowServletMessages.MESSAGES.listenerAlreadySet();
        }
        final ServletRequest servletRequest = servletRequestContext.getServletRequest();
        if (!servletRequest.isAsyncStarted()) {
            throw UndertowServletMessages.MESSAGES.asyncNotStarted();
        }
        asyncContext = (AsyncContextImpl) servletRequest.getAsyncContext();
        listener = writeListener;
        //we register the write listener on the underlying connection
        //so we don't have to force the creation of the response channel
        //under normal circumstances this will break write listener delegation
        this.internalListener = new WriteChannelListener();

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        if (request instanceof Request) {
            Request coreRequest = (Request) request;
            event = coreRequest.isEventMode();
            requestFacade = (RequestFacade) coreRequest.getRequest();
        } else {
            ServletRequest current = request;
            while (current != null) {
                // If we run into the container request we are done
                if (current instanceof RequestFacade) {
                    requestFacade = (RequestFacade) current;
                    break;

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     */
    public void doFilter(ServletRequest request, ServletResponse response)
        throws IOException, ServletException {


        if( Globals.IS_SECURITY_ENABLED ) {
            final ServletRequest req = request;
            final ServletResponse res = response;
            try {
                java.security.AccessController.doPrivileged(
                    new java.security.PrivilegedExceptionAction() {
                        public Object run()

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                filter = filterConfig.getFilter();
                support.fireInstanceEvent(InstanceEvent.BEFORE_FILTER_EVENT,
                                          filter, request, response);
                
                if( Globals.IS_SECURITY_ENABLED ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal = 
                        ((HttpServletRequest) req).getUserPrincipal();


                    Object[] args = new Object[]{req, res, this};
                    SecurityUtil.doAsPrivilege
                        ("doFilter", filter, classType, args);
                    
                    args = null;
                } else {  
                    filter.doFilter(request, response, this);
                }


                support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                          filter, request, response);
            } catch (IOException e) {
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (ServletException e) {
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (RuntimeException e) {
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw e;
            } catch (Throwable e) {
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                              filter, request, response, e);
                throw new ServletException
                  (sm.getString("filterChain.filter"), e);
            }
            return;
        }


        // We fell off the end of the chain -- call the servlet instance
        try {
            if (Globals.STRICT_SERVLET_COMPLIANCE) {
                lastServicedRequest.set(request);
                lastServicedResponse.set(response);
            }


            support.fireInstanceEvent(InstanceEvent.BEFORE_SERVICE_EVENT,
                                      servlet, request, response);
            if ((request instanceof HttpServletRequest) &&
                (response instanceof HttpServletResponse)) {
                    
                if( Globals.IS_SECURITY_ENABLED ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal = 
                        ((HttpServletRequest) req).getUserPrincipal();
                    Object[] args = new Object[]{req, res};
                    SecurityUtil.doAsPrivilege("service",

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      ExternalContext extContext = context.getExternalContext();
      RenderKit renderKit = context.getRenderKit();
      String encoding;
      // Depends if we talk about servlets, portlets, ...
      if (extContext.getRequest() instanceof ServletRequest) {
        ServletRequest request = (ServletRequest) extContext
            .getRequest();
        ServletResponse response = (ServletResponse) extContext
            .getResponse();
        // Setup encoding and content type
        String contentType = "text/xml";
        // get the encoding - must be setup by faces context or filter.
        encoding = request.getCharacterEncoding();
        if (encoding == null) {
          encoding = "UTF-8";
        }
        response.setContentType(contentType + ";charset=" + encoding);
      } else

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        if (!viewToRender.isRendered()) {
            return;
        }


        ExternalContext extContext = context.getExternalContext();
        ServletRequest request = (ServletRequest) extContext.getRequest();
        ServletResponse response = (ServletResponse) extContext.getResponse();


        try {
            if (executePageToBuildView(context, viewToRender)) {
                response.flushBuffer();
                ApplicationAssociate associate = getAssociate(context);
                if (associate != null) {
                    associate.responseRendered();
                }
                return;
            }
        } catch (IOException e) {
            throw new FacesException(e);
        }


        if (logger.isLoggable(Level.FINE)) {
            logger.log(Level.FINE, "Completed building view for : \n" +
                    viewToRender.getViewId());
        }


        // set up the ResponseWriter


        RenderKitFactory renderFactory = (RenderKitFactory)
        FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
        RenderKit renderKit =
                renderFactory.getRenderKit(context, viewToRender.getRenderKitId());


        ResponseWriter oldWriter = context.getResponseWriter();


        if (bufSize == -1) {
            WebConfiguration webConfig =
                  WebConfiguration
                        .getInstance(context.getExternalContext());
            try {
                bufSize = Integer
                      .parseInt(webConfig.getOptionValue(
                            WebContextInitParameter.ResponseBufferSize));
            } catch (NumberFormatException nfe) {
                bufSize = Integer
                      .parseInt(WebContextInitParameter.ResponseBufferSize.getDefaultValue());
            }
        }




        WriteBehindStateWriter stateWriter =
              new WriteBehindStateWriter(response.getWriter(),
                                         context,
                                         bufSize);
        ResponseWriter newWriter;
        if (null != oldWriter) {
            newWriter = oldWriter.cloneWithWriter(stateWriter);
        } else {
            newWriter = renderKit.createResponseWriter(stateWriter,
                                                       null,
                                                       request.getCharacterEncoding());
        }
        context.setResponseWriter(newWriter);


        newWriter.startDocument();

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    @Override
    public void handleRequest(final HttpServerExchange exchange) throws Exception {
        final ServletRequestContext servletRequestContext = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
        List<SingleConstraintMatch> constraints = servletRequestContext.getRequiredConstrains();
        SecurityContext sc = exchange.getAttachment(SecurityContext.ATTACHMENT_KEY);
        ServletRequest request = servletRequestContext.getServletRequest();
        if (request.getDispatcherType() != DispatcherType.REQUEST) {
            next.handleRequest(exchange);
        } else if (constraints == null || constraints.isEmpty()) {
            next.handleRequest(exchange);
        } else {
            Account account = sc.getAuthenticatedAccount();

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            return super.getSession(create);
        }


        @Override
        public RequestDispatcher getRequestDispatcher(final String path) {
            final ServletRequest original = getRequest();
            return new RequestDispatcher() {
                public void forward(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
                    original.getRequestDispatcher(path).forward(servletRequest, servletResponse);
                }


                public void include(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
                    original.getRequestDispatcher(path).include(servletRequest, servletResponse);
                }
            };
        }

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