Examples of com.sun.faces.util.TreeStructure

com.sun.faces.util.TreeStructure
TreeStructure is a class that represents the structure of a UIComponent instance. This class plays a key role in saving and restoring the structure of the component tree.

  return context.getViewRoot().processSaveState(context);
    }




    protected Object getTreeStructureToSave(FacesContext context) {
        TreeStructure structRoot = null;
        UIComponent viewRoot = context.getViewRoot();
        if (!(viewRoot.isTransient())) {
            structRoot = new TreeStructure(viewRoot);
            buildTreeStructureToSave(context, viewRoot, structRoot, null);
        }
        return structRoot;
    }

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                Map logicalMap = null,
                actualMap = null,
                sessionMap = externalCtx.getSessionMap();
                
    TreeStructure structRoot = null;
    Object [] stateArray = null;
    synchronized (sessionObj) {
        logicalMap = (Map) sessionMap.get(LOGICAL_VIEW_MAP);
                    if (logicalMap != null) {
                        actualMap = (Map) logicalMap.get(idInLogicalMap);
                        if (actualMap != null) {
                            RequestStateManager.set(context, RequestStateManager.LOGICAL_VIEW_MAP,
                                idInLogicalMap);
                            stateArray = (Object []) actualMap.get(idInActualMap);
                        }
                    }
    }
                if (stateArray == null) {
                    return null;
                }
    structRoot = (TreeStructure)stateArray[0];
    viewRoot = (UIViewRoot) structRoot.createComponent();
    restoreComponentTreeStructure(structRoot, viewRoot);
    
    viewRoot.processRestoreState(context, stateArray[1]);
    
      }

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            String message = MessageUtils.getExceptionMessageString
                (MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "renderKitId");
            throw new IllegalArgumentException(message);
        }
        UIComponent viewRoot = null;
        TreeStructure structRoot = null;
        ResponseStateManager rsm = RenderKitUtils.getResponseStateManager(context, renderKitId);
        structRoot = (TreeStructure)rsm.getTreeStructureToRestore(context, viewId);
        if (structRoot == null) {
            return null;
        }
        viewRoot = structRoot.createComponent();
        restoreComponentTreeStructure(structRoot, viewRoot);
        return ((UIViewRoot) viewRoot);
    }

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      }
            
            // if a component is marked transient do not persist its state as
            // well as its children.
            if (!kid.isTransient()) {
                TreeStructure treeStructureChild = new TreeStructure(kid);
                treeStructure.addChild(treeStructureChild);
                buildTreeStructureToSave(context, kid, treeStructureChild,
                                         componentIds);
            }
        }


        // save structure info of the facets of the component currenly being 
        // processed.
        Iterator facets = component.getFacets().keySet().iterator();
        while (facets.hasNext()) {
            String facetName = (String) facets.next();
            UIComponent facetComponent = (UIComponent) component.getFacets().
                get(facetName);


      // check for id uniqueness
      id = facetComponent.getClientId(context);
      if (id != null && !componentIds.add(id)) {
    throw new IllegalStateException(MessageUtils.getExceptionMessageString(
                        MessageUtils.DUPLICATE_COMPONENT_ID_ERROR_ID,
                        new Object[]{id}));
      }
            
            // if a facet is marked transient do not persist its state as well as
            // its children.
            if (!(facetComponent.isTransient())) {
                TreeStructure treeStructureFacet =
                    new TreeStructure(facetComponent);
                treeStructure.addFacet(facetName, treeStructureFacet);
                // process children of facet.
                buildTreeStructureToSave(context,
                                         facetComponent, treeStructureFacet,
                                         componentIds);

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        // structure.
      
        // restore the structure of the children of the component being processed.
        Iterator kids = treeStructure.getChildren();
        while (kids.hasNext()) {
            TreeStructure kid = (TreeStructure) kids.next();
            UIComponent child = kid.createComponent();
            component.getChildren().add(child);
            restoreComponentTreeStructure(kid, child);
        }
        
        // process facets
        Iterator facets = treeStructure.getFacetNames();
        while (facets.hasNext()) {
            String facetName = (String) facets.next();
            TreeStructure facetTreeStructure =
                treeStructure.getTreeStructureForFacet(facetName);
            UIComponent facetComponent = facetTreeStructure.createComponent();
            component.getFacets().put(facetName, facetComponent);
            restoreComponentTreeStructure(facetTreeStructure, facetComponent);
        }
    }

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    protected UIViewRoot restoreSerializedView(FacesContext context, 
        SerializedView sv, String viewId) {
        if ( sv == null) {
            return null;
        }
        TreeStructure structRoot = (TreeStructure) sv.getStructure();
        if (structRoot == null) {
            return null;
        }
        UIComponent viewRoot = structRoot.createComponent();
        if (viewRoot != null) {
             restoreComponentTreeStructure(structRoot, viewRoot);
             Object state = sv.getState();
             viewRoot.processRestoreState(context, state);
        }

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Related Classes of com.sun.faces.util.TreeStructure

com.sun.faces.application.DeprStateManagerImpl

javax.faces.component.UIComponent

javax.faces.FacesException

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