Package javax.servlet

Examples of javax.servlet.ServletResponse

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        ServletRequest sreq = (ServletRequest) request;
        Throwable throwable =
            (Throwable) sreq.getAttribute(Globals.EXCEPTION_ATTR);

        ServletResponse sresp = (ServletResponse) response;
        if (sresp.isCommitted()) {
            return;
        }

        if (throwable != null) {

            // The response is an error
            response.setError();

            // Reset the response (if possible)
            try {
                sresp.reset();
            } catch (IllegalStateException e) {
                ;
            }

            ServletResponse sresponse = (ServletResponse) response;
            if (sresponse instanceof HttpServletResponse)
                ((HttpServletResponse) sresponse).sendError
                    (HttpServletResponse.SC_INTERNAL_SERVER_ERROR);

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

        if( System.getSecurityManager() != null ) {
            final ServletRequest req = request;
            final ServletResponse res = response;
            try {
                java.security.AccessController.doPrivileged(
                    new java.security.PrivilegedExceptionAction() {
                        public Object run()
                            throws ServletException, IOException {
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                support.fireInstanceEvent(InstanceEvent.BEFORE_FILTER_EVENT,
                                          filter, request, response);
               
                if( System.getSecurityManager() != null ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();
                    Class[] classType = new Class[]{ServletRequest.class,
                                                    ServletResponse.class,
                                                    FilterChain.class};
                    Object[] args = new Object[]{req, res, this};
                    SecurityUtil.doAsPrivilege
                        ("doFilter", filter, classType, args);
                } 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 {
            support.fireInstanceEvent(InstanceEvent.BEFORE_SERVICE_EVENT,
                                      servlet, request, response);
            if ((request instanceof HttpServletRequest) &&
                (response instanceof HttpServletResponse)) {
                   
                if( System.getSecurityManager() != null ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal =
                        ((HttpServletRequest) req).getUserPrincipal();
                    Class[] classType = new Class[]{ServletRequest.class,
                                                     ServletResponse.class};
                    Object[] args = new Object[]{req, res};
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        ErrorPage errorPage = findErrorPage(context, realError);

        if (errorPage != null) {
            response.setAppCommitted(false);
            ServletRequest sreq = request.getRequest();
            ServletResponse sresp = response.getResponse();
            sreq.setAttribute
                (ApplicationFilterFactory.DISPATCHER_REQUEST_PATH_ATTR,
                 errorPage.getLocation());
            sreq.setAttribute(ApplicationFilterFactory.DISPATCHER_TYPE_ATTR,
                              new Integer(ApplicationFilterFactory.ERROR));
            sreq.setAttribute
                (Globals.STATUS_CODE_ATTR,
                 new Integer(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
            sreq.setAttribute(Globals.ERROR_MESSAGE_ATTR,
                              throwable.getMessage());
            sreq.setAttribute(Globals.EXCEPTION_ATTR,
                              realError);
            Wrapper wrapper = request.getWrapper();
            if (wrapper != null)
                sreq.setAttribute(Globals.SERVLET_NAME_ATTR,
                                  wrapper.getName());
            if (sreq instanceof HttpServletRequest)
                sreq.setAttribute(Globals.EXCEPTION_PAGE_ATTR,
                                  ((HttpServletRequest) sreq).getRequestURI());
            sreq.setAttribute(Globals.EXCEPTION_TYPE_ATTR,
                              realError.getClass());
            if (custom(request, response, errorPage)) {
                try {
                    sresp.flushBuffer();
                } catch (IOException e) {
                    log("Exception Processing " + errorPage, e);
                }
            }
        } else {
            // A custom error-page has not been defined for the exception
            // that was thrown during request processing. Check if an
            // error-page for error code 500 was specified and if so,
            // send that page back as the response.
            ServletResponse sresp = (ServletResponse) response;
            if (sresp instanceof HttpServletResponse) {
                ((HttpServletResponse) sresp).setStatus(
                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                // The response is an error
                response.setError();
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        ErrorPage errorPage = context.findErrorPage(statusCode);
        if (errorPage != null) {
            response.setAppCommitted(false);
            ServletRequest sreq = request.getRequest();
            ServletResponse sresp = response.getResponse();
            sreq.setAttribute(Globals.STATUS_CODE_ATTR,
                              new Integer(statusCode));
      String message = RequestUtil.filter(hresponse.getMessage());
            if (message == null)
                message = "";
            sreq.setAttribute(Globals.ERROR_MESSAGE_ATTR, message);
            sreq.setAttribute
                (ApplicationFilterFactory.DISPATCHER_REQUEST_PATH_ATTR,
                 errorPage.getLocation());
            sreq.setAttribute(ApplicationFilterFactory.DISPATCHER_TYPE_ATTR,
                              new Integer(ApplicationFilterFactory.ERROR));
           
            
            Wrapper wrapper = request.getWrapper();
            if (wrapper != null)
                sreq.setAttribute(Globals.SERVLET_NAME_ATTR,
                                  wrapper.getName());
            if (sreq instanceof HttpServletRequest)
                sreq.setAttribute(Globals.EXCEPTION_PAGE_ATTR,
                                  ((HttpServletRequest) sreq).getRequestURI());
            if (custom(request, response, errorPage)) {
                try {
                    sresp.flushBuffer();
                } catch (IOException e) {
                    log("Exception Processing " + errorPage, e);
                }
            }
        }
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        // Set up to handle the specified request and response
        setup(request, response, true);

        // Create a wrapped response to use for this request
        // ServletResponse wresponse = null;
        ServletResponse wresponse = wrapResponse();

        // Handle a non-HTTP include
        if (!(request instanceof HttpServletRequest) ||
            !(response instanceof HttpServletResponse)) {
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    private void unwrapResponse() {

        if (wrapResponse == null)
            return;

        ServletResponse previous = null;
        ServletResponse current = outerResponse;
        while (current != null) {

            // If we run into the container response we are done
            if ((current instanceof Response)
                || (current instanceof ResponseFacade))
                break;

            // Remove the current response if it is our wrapper
            if (current == wrapResponse) {
                ServletResponse next =
                  ((ServletResponseWrapper) current).getResponse();
                if (previous == null)
                    outerResponse = next;
                else
                    ((ServletResponseWrapper) previous).setResponse(next);
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     * appropriate spot in the response chain.
     */
    private ServletResponse wrapResponse() {

        // Locate the response we should insert in front of
        ServletResponse previous = null;
        ServletResponse current = outerResponse;
        while (current != null) {
            if (!(current instanceof ServletResponseWrapper))
                break;
            if (current instanceof ApplicationHttpResponse)
                break;
            if (current instanceof ApplicationResponse)
                break;
            if (current instanceof Response)
                break;
            previous = current;
            current = ((ServletResponseWrapper) current).getResponse();
        }

        // Instantiate a new wrapper at this point and insert it in the chain
        ServletResponse wrapper = null;
        if ((current instanceof ApplicationHttpResponse) ||
            (current instanceof HttpResponse) ||
            (current instanceof HttpServletResponse))
            wrapper =
                new ApplicationHttpResponse((HttpServletResponse) current,
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        throws IOException, ServletException {

        // Check the deny patterns, if any
        for (int i = 0; i < denies.length; i++) {
            if (denies[i].match(property)) {
                ServletResponse sres = response.getResponse();
                if (sres instanceof HttpServletResponse) {
                    HttpServletResponse hres = (HttpServletResponse) sres;
                    hres.sendError(HttpServletResponse.SC_FORBIDDEN);
                    return;
                }
            }
        }

        // Check the allow patterns, if any
        for (int i = 0; i < allows.length; i++) {
            if (allows[i].match(property)) {
                context.invokeNext(request, response);
                return;
            }
        }

        // Allow if denies specified but not allows
        if ((denies.length > 0) && (allows.length == 0)) {
            context.invokeNext(request, response);
            return;
        }

        // Deny this request
        ServletResponse sres = response.getResponse();
        if (sres instanceof HttpServletResponse) {
            HttpServletResponse hres = (HttpServletResponse) sres;
            hres.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }
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                    sm.getString("asyncContextImpl.noAsyncDispatcher"));
        }
        final AsyncDispatcher applicationDispatcher =
                (AsyncDispatcher) requestDispatcher;
        final ServletRequest servletRequest = getRequest();
        final ServletResponse servletResponse = getResponse();
        Runnable run = new Runnable() {
            @Override
            public void run() {
                request.getCoyoteRequest().action(ActionCode.ASYNC_DISPATCHED, null);
                try {
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