Package com.sun.faces.context

Examples of com.sun.faces.context.StateContext

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                result = restoreTree(context, renderKitId, ((Object[]) state[0]).clone());
                context.setViewRoot(result);
            }

            if (result != null) {
                StateContext stateContext = StateContext.getStateContext(context);
                stateContext.startTrackViewModifications(context, result);
                stateContext.setTrackViewModifications(false);

                try {
                    HashMap<String, Object> stateMap = (HashMap<String, Object>) state[1];
                    if (stateMap != null) {
                        /*
                         * Restore the component state.
                         */
                        restoreComponentState(context, stateMap);

                        /**
                         * Restore the dynamic actions.
                         */
                        restoreDynamicActions(context, stateContext, stateMap);
                    }
                } finally {
                    stateContext.setTrackViewModifications(true);
                }
            }
        }

        return result;
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     * @return the saved state.
     */
    private Object saveComponentState(FacesContext context) {

        final HashMap<String, Object> stateMap = new HashMap<String, Object>();
        final StateContext stateContext = StateContext.getStateContext(context);
        final UIViewRoot viewRoot = context.getViewRoot();
        final FacesContext finalContext = context;

        context.getAttributes().put(SKIP_ITERATION_HINT, true);
        Set<VisitHint> hints = EnumSet.of(VisitHint.SKIP_ITERATION);
        VisitContext visitContext = VisitContext.createVisitContext(context, null, hints);

        try {
            viewRoot.visitTree(visitContext, new VisitCallback() {

                public VisitResult visit(VisitContext context, UIComponent component) {
                    VisitResult result = VisitResult.ACCEPT;
                    Object stateObj;
                    if (!component.isTransient()) {
                        if (stateContext.componentAddedDynamically(component)) {
                            component.getAttributes().put(DYNAMIC_COMPONENT, new Integer(getProperChildIndex(component)));
                            stateObj = new StateHolderSaver(finalContext, component);
                        } else {
                            stateObj = component.saveState(finalContext);
                        }
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        Util.checkIdUniqueness(context, viewRoot, new HashSet<String>(viewRoot.getChildCount() << 1));

        /**
         * Save the dynamic actions.
         */
        StateContext stateContext = StateContext.getStateContext(context);
        saveDynamicActions(context, stateContext, viewRoot);

        /*
         * Save the component state.
         */
 
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    @Override
    public StateManagementStrategy getStateManagementStrategy(FacesContext context, String viewId) {
        StateManagementStrategy result;
       
        StateContext stateCtx = StateContext.getStateContext(context);
        if (stateCtx.isPartialStateSaving(context, viewId)) {
            result = new FaceletPartialStateManagementStrategy(context);
        } else {
            result = new FaceletFullStateManagementStrategy(context);
        }
       
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                throw new FacesException(ioe);
            }
        }

        UIViewRoot root = super.restoreView(context, viewId);       
        StateContext stateCtx = StateContext.getStateContext(context);
        stateCtx.startTrackViewModifications(context, root);
       
        return root;
    }
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     * @throws IOException if an error occurs building the view.
     */
    @Override
    public void buildView(FacesContext ctx, UIViewRoot view)
    throws IOException {
        StateContext stateCtx = StateContext.getStateContext(ctx);
        if (Util.isViewPopulated(ctx, view)) {
            Facelet f = faceletFactory.getFacelet(view.getViewId());
            // Disable events from being intercepted by the StateContext by
            // virute of re-applying the handlers.
            try {
                stateCtx.setTrackViewModifications(false);
                f.apply(ctx, view);
                reapplyDynamicActions(ctx);
            } finally {
                stateCtx.setTrackViewModifications(true);
            }
            return;
        }

        view.setViewId(view.getViewId());

        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.fine("Building View: " + view.getViewId());
        }
        if (faceletFactory == null) {
            ApplicationAssociate associate = ApplicationAssociate.getInstance(ctx.getExternalContext());
            faceletFactory = associate.getFaceletFactory();
            assert (faceletFactory != null);
        }
        RequestStateManager.set(ctx,
                                RequestStateManager.FACELET_FACTORY,
                                faceletFactory);
        Facelet f = faceletFactory.getFacelet(view.getViewId());

        // populate UIViewRoot
        try {
            ctx.getAttributes().put(IS_BUILDING_INITIAL_STATE, Boolean.TRUE);
            stateCtx.setTrackViewModifications(false);
            f.apply(ctx, view);
           
            if (!stateCtx.isPartialStateSaving(ctx, view.getViewId())) {
                reapplyDynamicActions(ctx);
            }
           
            doPostBuildActions(ctx, view);
        } finally {
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    }

    
    private void doPostBuildActions(FacesContext ctx, UIViewRoot root) {
        StateContext stateCtx = StateContext.getStateContext(ctx);
        if (stateCtx.isPartialStateSaving(ctx, root.getViewId())) {
      // lu4242            root.markInitialState();
        }
        stateCtx.startTrackViewModifications(ctx, root);
    }
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        stateCtx.startTrackViewModifications(ctx, root);
    }

     private void markInitialState(FacesContext ctx, UIViewRoot root)
     {
         StateContext stateCtx = StateContext.getStateContext(ctx);
         if (stateCtx.isPartialStateSaving(ctx, root.getViewId())) {
             try {
                 ctx.getAttributes().put(IS_BUILDING_INITIAL_STATE, Boolean.TRUE);
                 if (!root.isTransient()) {
                     markInitialState(root);
                 }
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     * modifications off and on as required. </p>
     *
     * @param context the Faces context.
     */
    private void reapplyDynamicActions(FacesContext context) {
        StateContext stateContext = StateContext.getStateContext(context);
        List<ComponentStruct> actions = stateContext.getDynamicActions();
        if (actions != null) {
            for (ComponentStruct action : actions) {
                if (ComponentStruct.REMOVE.equals(action.action)) {
                    reapplyDynamicRemove(context, action);
                }
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        UIComponent parent = locateComponentByClientId(context, struct.parentClientId);

        if (parent != null) {
           
            UIComponent child = locateComponentByClientId(context, struct.clientId);
            StateContext stateContext = StateContext.getStateContext(context);

            if (child == null) {
                child = stateContext.getDynamicComponents().get(struct.clientId);
            }

            if (child != null) {
                if (struct.facetName != null) {
                    parent.getFacets().remove(struct.facetName);
                    parent.getFacets().put(struct.facetName, child);
                    child.getClientId();
                } else {
                    int childIndex = -1;
                    if (child.getAttributes().containsKey(DYNAMIC_COMPONENT)) {
                        childIndex = (Integer) child.getAttributes().get(DYNAMIC_COMPONENT);
                    }
                    child.setId(struct.id);
                    if (childIndex >= parent.getChildCount() || childIndex == -1) {
                        parent.getChildren().add(child);
                    } else {
                        parent.getChildren().add(childIndex, child);
                    }
                    child.getClientId();
                    child.getAttributes().put(DYNAMIC_COMPONENT, child.getParent().getChildren().indexOf(child));
                }
                stateContext.getDynamicComponents().put(struct.clientId, child);
            }
        }
    }
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Related Classes of com.sun.faces.context.StateContext

  • com.sun.faces.application.ApplicationAssociate
  • com.sun.faces.application.ApplicationStateInfo
  • com.sun.faces.application.view.FaceletFullStateManagementStrategy
  • com.sun.faces.application.view.FaceletPartialStateManagementStrategy
  • com.sun.faces.application.view.FaceletViewHandlingStrategy
  • com.sun.faces.application.view.StateManagementStrategyImpl
  • com.sun.faces.facelets.tag.jsf.ComponentSupport
  • com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl
  • com.sun.faces.util.ComponentStruct
  • java.util.Map
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