Examples of ViewHandler

com.sun.star.wizards.text.ViewHandler
javax.faces.application.ViewHandler

ViewHandler is the pluggablity mechanism for allowing implementations of or applications using the JavaServer Faces specification to provide their own handling of the activities in the Render Response and Restore View phases of the request processing lifecycle. This allows for implementations to support different response generation technologies, as well as alternative strategies for saving and restoring the state of each view.

Please see {@link StateManager} for information on how theViewHandler interacts the {@link StateManager}.
org.ofbiz.webapp.view.ViewHandler
ViewHandler - View Handler Interface

Examples of javax.faces.application.ViewHandler

        // In JSF 1.2, restoreView() will only be called on postback.
        // But in JSF 1.1, it will be called for an initial request too,
        // in which case we must return null in order to fall through
        // to createView()


        ViewHandler outerViewHandler = context.getApplication().getViewHandler();
        String renderKitId = outerViewHandler.calculateRenderKitId(context);


        UIViewRoot viewRoot = createView(context, viewId);
        context.setViewRoot(viewRoot);
        try
        {

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Examples of javax.faces.application.ViewHandler

            parameters = Collections.emptyMap();
        }
        // In theory the precedence order to deal with params is this:
        // component parameters, navigation-case parameters, view parameters
        // getBookmarkableURL deal with this details.
        ViewHandler viewHandler = facesContext.getApplication()
                .getViewHandler();
        String href = viewHandler.getBookmarkableURL(
                facesContext,
                navigationCase.getToViewId(facesContext),
                parameters,
                navigationCase.isIncludeViewParams()
                        || component.isIncludeViewParams());

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Examples of javax.faces.application.ViewHandler

        LOG.debug("*** '" + entry.getKey() + "' -> '" + entry.getValue() + "'");
      }
    }


    Application application = facesContext.getApplication();
    ViewHandler viewHandler = application.getViewHandler();
    String viewId = facesContext.getViewRoot().getViewId();
    String formAction = viewHandler.getActionURL(facesContext, viewId);
    formAction = facesContext.getExternalContext().encodeActionURL(formAction);
    String contentType = writer.getContentTypeWithCharSet();
    ResponseUtils.ensureContentTypeHeader(facesContext, contentType);
    String clientId = page.getClientId(facesContext);
    final ClientProperties client = VariableResolverUtils.resolveClientProperties(facesContext);

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Examples of javax.faces.application.ViewHandler

    writer.startElement(HtmlElements.DIV, page);
    writer.writeClassAttribute(Classes.create(page, "menuStore"));
    writer.endElement(HtmlElements.DIV);


    Application application = facesContext.getApplication();
    ViewHandler viewHandler = application.getViewHandler();


    writer.startElement(HtmlElements.SPAN, null);
    writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "jsf-state-container");
    writer.flush();
    if (!FacesContextUtils.isAjax(facesContext)) {
      if (FacesVersion.supports12()) {
        viewHandler.writeState(facesContext);
      } else {
        // catch the next written stuff into a string and look if it is empty (TOBAGO-909)
        FastStringWriter buffer = new FastStringWriter(40); // usually only the marker...
        TobagoResponseWriter originalWriter = (TobagoResponseWriter) facesContext.getResponseWriter();
        writer = (TobagoResponseWriter) writer.cloneWithWriter(buffer);
        facesContext.setResponseWriter(writer);
        viewHandler.writeState(facesContext);
        final String stateContent = buffer.toString();
        writer = originalWriter;
        facesContext.setResponseWriter(writer);


        if (StringUtils.isBlank(stateContent)) {

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Examples of javax.faces.application.ViewHandler

        Util.notNull("context", context);


        CaseStruct caseStruct = getViewId(context, fromAction, outcome);
        if (caseStruct != null) {
            ExternalContext extContext = context.getExternalContext();
            ViewHandler viewHandler = Util.getViewHandler(context);
            assert (null != viewHandler);
            if (caseStruct.navCase.isRedirect()) {
                // perform a 302 redirect.
                String redirectUrl =
                      viewHandler.getRedirectURL(context,
                                                 caseStruct.viewId,
                                                 SharedUtils.evaluateExpressions(context, caseStruct.navCase.getParameters()),
                                                 caseStruct.navCase.isIncludeViewParams());
                try {
                    if (logger.isLoggable(Level.FINE)) {
                        logger.fine("Redirecting to path " + redirectUrl
                                    + " for outcome " + outcome +
                                    "and viewId " + caseStruct.viewId);
                    }
                    // encode the redirect to ensure session state
                    // is maintained
                    clearViewMapIfNecessary(context, caseStruct.viewId);
                    updateRenderTargets(context, caseStruct.viewId);
                    extContext.getFlash().setRedirect(true);
                    extContext.redirect(redirectUrl);
                } catch (java.io.IOException ioe) {
                    if (logger.isLoggable(Level.FINE)) {
                        logger.log(Level.FINE,"jsf.redirect_failed_error",
                                   redirectUrl);
                    }
                    throw new FacesException(ioe.getMessage(), ioe);
                }
                context.responseComplete();
               if (logger.isLoggable(Level.FINE)) {
                   logger.fine("Response complete for " + caseStruct.viewId);
               }
            } else {
                UIViewRoot newRoot = viewHandler.createView(context,
                                                            caseStruct.viewId);
                updateRenderTargets(context, caseStruct.viewId);
                context.setViewRoot(newRoot);
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Set new view in FacesContext for " +

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Examples of javax.faces.application.ViewHandler

            } else {
                viewIdToTest = "/" + viewIdToTest;
            }
        }


        ViewHandler viewHandler = Util.getViewHandler(context);
        viewIdToTest = viewHandler.deriveViewId(context, viewIdToTest);


        if (null != viewIdToTest) {
            CaseStruct caseStruct = new CaseStruct();
            caseStruct.viewId = viewIdToTest;
            caseStruct.navCase = new NavigationCase(currentViewId,

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Examples of javax.faces.application.ViewHandler

            if (viewId == null) {
                throw new FacesException(MessageUtils.getExceptionMessageString(
                  MessageUtils.NULL_REQUEST_VIEW_ERROR_MESSAGE_ID));
            }


            ViewHandler viewHandler = Util.getViewHandler(facesContext);


            boolean isPostBack = (facesContext.isPostback() && !isErrorPage(facesContext));
            if (isPostBack) {
                facesContext.setProcessingEvents(false);
            // try to restore the view
                viewRoot = viewHandler.restoreView(facesContext, viewId);
                if (viewRoot == null) {
                    if (is11CompatEnabled(facesContext)) {
                        // 1.1 -> create a new view and flag that the response should
                        //        be immediately rendered
                        if (LOGGER.isLoggable(Level.FINE)) {
                            LOGGER.fine("Postback: recreating a view for " + viewId);
                        }
                        viewRoot = viewHandler.createView(facesContext, viewId);
                        facesContext.renderResponse();


                    } else {
                        Object[] params = {viewId};
                        throw new ViewExpiredException(
                                MessageUtils.getExceptionMessageString(
                                MessageUtils.RESTORE_VIEW_ERROR_MESSAGE_ID,
                                params),
                                viewId);
                    }
                }


                facesContext.setViewRoot(viewRoot);
                facesContext.setProcessingEvents(true);
                if (LOGGER.isLoggable(Level.FINE)) {
                    LOGGER.fine("Postback: restored view for " + viewId);
                }
            } else {
                if (LOGGER.isLoggable(Level.FINE)) {
                    LOGGER.fine("New request: creating a view for " + viewId);
                }


                String derivedViewId = viewHandler.deriveLogicalViewId(facesContext, viewId);
                ViewDeclarationLanguage vdl = viewHandler.getViewDeclarationLanguage(facesContext, derivedViewId);


                if (vdl != null) {
                    // If we have one, get the ViewMetadata...
                    ViewMetadata metadata = vdl.getViewMetadata(facesContext, viewId);

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Examples of javax.faces.application.ViewHandler

            try {
                context.setProcessingEvents(false);
                ViewDeclarationLanguage vdl = vdlFactory.getViewDeclarationLanguage(viewId);
                viewRoot = vdl.getViewMetadata(context, viewId).createMetadataView(context);
                context.setViewRoot(viewRoot);
                ViewHandler outerViewHandler = context.getApplication().getViewHandler();
                String renderKitId = outerViewHandler.calculateRenderKitId(context);
                ResponseStateManager rsm = RenderKitUtils.getResponseStateManager(context, renderKitId);
                Object[] rawState = (Object[]) rsm.getState(context, viewId);
                if (rawState != null) {
                    Map<String, Object> state = (Map<String, Object>) rawState[1];
                    if (state != null) {

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Examples of javax.faces.application.ViewHandler

        // Get Application instance
        Application application = context.getApplication();
        assert (application != null);


        // Get the ViewHandler
        ViewHandler viewHandler = application.getViewHandler();
        assert (viewHandler != null);


        return viewHandler;
    }

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Examples of org.ofbiz.webapp.view.ViewHandler

           if (Debug.verboseOn()) Debug.logVerbose("Sending no-cache headers for view [" + nextPage + "]", module);
        }


        try {
            if (Debug.verboseOn()) Debug.logVerbose("Rendering view [" + nextPage + "] of type [" + viewMap.type + "]", module);
            ViewHandler vh = viewFactory.getViewHandler(viewMap.type);
            vh.render(view, nextPage, viewMap.info, contentType, charset, req, resp);
        } catch (ViewHandlerException e) {
            Throwable throwable = e.getNested() != null ? e.getNested() : e;


            throw new RequestHandlerException(e.getNonNestedMessage(), throwable);
        }

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