Examples of javax.servlet.ServletResponse

javax.servlet.ServletResponse
Base response interface definition. @author Rick Knowles

     * the given locale
     * @param locale the response locale
     */
    static void setResponseLocale(PageContext pc, Locale locale) {
  // set response locale
  ServletResponse response = pc.getResponse();
  response.setLocale(locale);
  
  // get response character encoding and store it in session attribute
  if (pc.getSession() != null) {
            try {
          pc.setAttribute(RequestEncodingSupport.REQUEST_CHAR_SET,
          response.getCharacterEncoding(),
          PageContext.SESSION_SCOPE);
            } catch (IllegalStateException ex) {} // invalidated session ignored
  }
    }

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        {
            String id = context.getViewRoot().getRenderKitId();
            throw new IllegalStateException("No render kit was available for id \"" + id + "\"");
        }


        ServletResponse response = (ServletResponse) extContext.getResponse();


        // set the buffer for content
        if (_bufferSize != -1)
        {
            response.setBufferSize(_bufferSize);
        }


        // get our content type
        String contentType = (String) extContext.getRequestMap().get("facelets.ContentType");


        // get the encoding
        String encoding = (String) extContext.getRequestMap().get("facelets.Encoding");


        ResponseWriter writer;
        // append */* to the contentType so createResponseWriter will succeed no matter
        // the requested contentType.
        if (contentType != null && !contentType.equals("*/*"))
        {
            contentType += ",*/*";
        }
        // Create a dummy ResponseWriter with a bogus writer,
        // so we can figure out what content type the ReponseWriter
        // is really going to ask for
        try
        {
            writer = renderKit.createResponseWriter(NullWriter.Instance, contentType, encoding);
        }
        catch (IllegalArgumentException e)
        {
            // Added because of an RI bug prior to 1.2_05-b3. Might as well leave it in case other
            // impls have the same problem. https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=613
            log.finest("The impl didn't correctly handled '*/*' in the content type list.  Trying '*/*' directly.");
            writer = renderKit.createResponseWriter(NullWriter.Instance, "*/*", encoding);
        }


        // Override the JSF provided content type if necessary
        contentType = getResponseContentType(context, writer.getContentType());
        encoding = getResponseEncoding(context, writer.getCharacterEncoding());


        // apply them to the response
        response.setContentType(contentType + "; charset=" + encoding);


        // removed 2005.8.23 to comply with J2EE 1.3
        // response.setCharacterEncoding(encoding);


        // Now, clone with the real writer
        writer = writer.cloneWithWriter(response.getWriter());


        return writer;
    }

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            {
                responseSwitch.setEnabled(context, false);
            }
        }
        
        ServletResponse response = (ServletResponse) externalContext.getResponse();
        ServletRequest request = (ServletRequest) externalContext.getRequest();
        
        Locale locale = view.getLocale();
        response.setLocale(locale);
        Config.set(request, Config.FMT_LOCALE, context.getViewRoot().getLocale());


        String viewId = view.getViewId();
        ServletViewResponseWrapper wrappedResponse = new ServletViewResponseWrapper((HttpServletResponse) response);

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        {
            String id = context.getViewRoot().getRenderKitId();
            throw new IllegalStateException("No render kit was available for id \"" + id + "\"");
        }


        ServletResponse response = (ServletResponse) extContext.getResponse();


        // set the buffer for content
        if (this.bufferSize != -1)
        {
            response.setBufferSize(this.bufferSize);
        }


        // get our content type
        String contentType = (String) extContext.getRequestMap().get("facelets.ContentType");


        // get the encoding
        String encoding = (String) extContext.getRequestMap().get("facelets.Encoding");


        ResponseWriter writer;
        // append */* to the contentType so createResponseWriter will succeed no matter
        // the requested contentType.
        if (contentType != null && !contentType.equals("*/*"))
        {
            contentType += ",*/*";
        }
        // Create a dummy ResponseWriter with a bogus writer,
        // so we can figure out what content type the ReponseWriter
        // is really going to ask for
        try
        {
            writer = renderKit.createResponseWriter(NullWriter.Instance, contentType, encoding);
        }
        catch (IllegalArgumentException e)
        {
            // Added because of an RI bug prior to 1.2_05-b3. Might as well leave it in case other
            // impls have the same problem. https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=613
            log.fine("The impl didn't correctly handled '*/*' in the content type list.  Trying '*/*' directly.");
            writer = renderKit.createResponseWriter(NullWriter.Instance, "*/*", encoding);
        }


        // Override the JSF provided content type if necessary
        contentType = getResponseContentType(context, writer.getContentType());
        encoding = getResponseEncoding(context, writer.getCharacterEncoding());


        // apply them to the response
        response.setContentType(contentType + "; charset=" + encoding);


        // removed 2005.8.23 to comply with J2EE 1.3
        // response.setCharacterEncoding(encoding);


        // Now, clone with the real writer
        writer = writer.cloneWithWriter(response.getWriter());


        return writer;
    }

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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) {
                ;
            }


            response.sendError

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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() 
                            throws ServletException, IOException {

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                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",
                                               servlet,

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public class GaeAuthenticationEntryPointTest {


    /** Test commence(). */
    @Test public void testCommence() throws Exception {
        ServletRequest request = mock(ServletRequest.class);
        ServletResponse response = mock(ServletResponse.class);
        AuthenticationException exception = mock(AuthenticationException.class);
        GaeAuthenticationEntryPoint entryPoint = new GaeAuthenticationEntryPoint();
        entryPoint.commence(request, response, exception);  // just make sure it runs (it's a no-op)
    }

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


        ServletResponse wResponse = null;
        
        if (request instanceof HttpServletRequest &&
                response instanceof HttpServletResponse) {
            
            HttpServletRequest req = (HttpServletRequest) request;

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    @Typed(HttpServletResponse.class)
    @DeltaSpike
    @RequestScoped
    public HttpServletResponse getHttpServletResponse()
    {
        ServletResponse response = RequestResponseHolder.RESPONSE.get();
        if (response instanceof HttpServletResponse)
        {
            return (HttpServletResponse) response;
        }
        throw new IllegalStateException("The current response is not a HttpServletResponse");

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