Examples of javax.faces.context.PartialViewContext

javax.faces.context.PartialViewContext
@author Simon Lessard (latest modification by $Author: bommel $) @version $Revision: 1187700 $ $Date: 2011-10-22 14:19:37 +0200 (Sat, 22 Oct 2011) $ @since 2.0


    private static class UpdateModelPhaseProcessor implements PhaseProcessor
    {
        public void process(FacesContext context, UIViewRoot root)
        {
            PartialViewContext pvc = context.getPartialViewContext();
            // Perform partial processing by calling PartialViewContext.processPartial(javax.faces.event.PhaseId)
            // with PhaseId.UPDATE_MODEL_VALUES if:
            //   * PartialViewContext.isPartialRequest() returns true and we don't have a request to process
            // all components in the view (PartialViewContext.isExecuteAll() returns false)
            //section 13.4.2 from the JSF2 spec also see https://issues.apache.org/jira/browse/MYFACES-2119
            if (pvc.isPartialRequest() && !pvc.isExecuteAll())
            {
                pvc.processPartial(PhaseId.UPDATE_MODEL_VALUES);
            }
            // Perform full processing by calling UIComponentBase.processUpdates(javax.faces.context.FacesContext)
            // if one of the following conditions are met:
            // *   PartialViewContext.isPartialRequest() returns true and we have a request to process all components
            // in the view (PartialViewContext.isExecuteAll() returns true)

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    @Override
    public void redirect(final String url) throws IOException
    {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        PartialViewContext partialViewContext = facesContext.getPartialViewContext(); 
        if (partialViewContext.isPartialRequest())
        {
            PartialResponseWriter writer = partialViewContext.getPartialResponseWriter();
            this.setResponseContentType("text/xml");
            this.setResponseCharacterEncoding("UTF-8");
            this.addResponseHeader("Cache-control", "no-cache");
            writer.startDocument();
            writer.redirect(url);

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    {
        if (context.getResponseComplete())
        {
            return;
        }
        PartialViewContext pContext = context.getPartialViewContext();
        
        // If PartialViewContext.isAjaxRequest() returns true
        if (pContext.isAjaxRequest())
        {
            // Perform partial rendering by calling PartialViewContext.processPartial() with PhaseId.RENDER_RESPONSE.
            //sectin 13.4.3 of the jsf2 specification
            pContext.processPartial(PhaseId.RENDER_RESPONSE);
        }
        else
        {
            // If PartialViewContext.isAjaxRequest() returns false
            // delegate to super.encodeChildren(javax.faces.context.FacesContext) method.

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            // the call to encodeAll() on every UIViewParameter here is only necessary
            // if the current request is _not_ an AJAX request, because if it was an
            // AJAX request, the call would already have happened in PartialViewContextImpl and
            // would anyway be too late here, because the state would already have been generated
            PartialViewContext partialContext = context.getPartialViewContext();
            if (!partialContext.isAjaxRequest())
            {
                ViewDeclarationLanguage vdl
                        = context.getApplication().getViewHandler().getViewDeclarationLanguage(context, getViewId());
                if (vdl != null)
                {

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    @Override
    public boolean getRendersChildren()
    {
        // Call UIComponentBase.getRendersChildren() 
        // If PartialViewContext.isAjaxRequest()  returns true this method must return true.
        PartialViewContext context = getFacesContext().getPartialViewContext();


        return (context.isAjaxRequest()) ? true : super.getRendersChildren();
    }

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        }
    }


    private void processPartialExecute(UIViewRoot viewRoot, PhaseId phaseId) 
    {
        PartialViewContext pvc = _facesContext.getPartialViewContext();
        Collection<String> executeIds = pvc.getExecuteIds();
        if (executeIds == null || executeIds.isEmpty()) 
        {
            return;
        }
        Set<VisitHint> hints = new HashSet<VisitHint>();

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        //}


        // note that we cannot use this.getPartialResponseWriter(), because
        // this could cause problems if PartialResponseWriter is wrapped
        PartialResponseWriter writer = _facesContext.getPartialViewContext().getPartialResponseWriter();
        PartialViewContext pvc = _facesContext.getPartialViewContext();
        
        ResponseWriter oldWriter = _facesContext.getResponseWriter();
        boolean inDocument = false;


        //response type = text/xml
        //no caching and no timeout if possible!
        ExternalContext externalContext = _facesContext.getExternalContext();
        externalContext.setResponseContentType("text/xml");
        externalContext.addResponseHeader("Pragma", "no-cache");
        externalContext.addResponseHeader("Cache-control", "no-cache");
        //under normal circumstances pragma should be enough, IE needs
        //a special treatment!
        //http://support.microsoft.com/kb/234067
        externalContext.addResponseHeader("Expires", "-1");


        try 
        {
            writer.startDocument();
            inDocument = true;
            _facesContext.setResponseWriter(writer);


            if (pvc.isRenderAll())
            {
                processRenderAll(viewRoot, writer);
            }
            else
            {
                Collection<String> renderIds = pvc.getRenderIds();
                //Only apply partial visit if we have ids to traverse
                if (renderIds != null && !renderIds.isEmpty())
                {
                    Set<VisitHint> hints = new HashSet<VisitHint>();
                    // unrendered have to be skipped, transient definitely must be added to our list!

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                // JSF 2.0 the javadoc of handleNavigation() says something like this 
                // "...If the view has changed after an application action, call
                // PartialViewContext.setRenderAll(true)...". The effect is that ajax requests
                // are included on navigation.
                PartialViewContext partialViewContext = facesContext.getPartialViewContext();
                String viewId = facesContext.getViewRoot() != null ? facesContext.getViewRoot().getViewId() : null;
                if ( partialViewContext.isPartialRequest() && 
                     !partialViewContext.isRenderAll() && 
                     !toViewId.equals(viewId))
                {
                    partialViewContext.setRenderAll(true);
                }
                
                // JSF 2.0 Spec call Flash.setRedirect(true) to notify Flash scope and take proper actions
                externalContext.getFlash().setRedirect(true);
                try
                {
                    externalContext.redirect(redirectPath);
                    facesContext.responseComplete();
                }
                catch (IOException e)
                {
                    throw new FacesException(e.getMessage(), e);
                }
            }
            else
            {
                ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
                //create new view
                String newViewId = navigationCase.getToViewId(facesContext);
                // JSF 2.0 the javadoc of handleNavigation() says something like this 
                // "...If the view has changed after an application action, call
                // PartialViewContext.setRenderAll(true)...". The effect is that ajax requests
                // are included on navigation.
                PartialViewContext partialViewContext = facesContext.getPartialViewContext();
                String viewId = facesContext.getViewRoot() != null ? facesContext.getViewRoot().getViewId() : null;
                if ( partialViewContext.isPartialRequest() && 
                     !partialViewContext.isRenderAll() && 
                     !newViewId.equals(viewId))
                {
                    partialViewContext.setRenderAll(true);
                }


                if (facesContext.getViewRoot() != null)
                {
                    if (facesContext.getViewRoot().getAttributes().containsKey("oam.CALL_PRE_DISPOSE_VIEW"))

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    @Override
    public void redirect(final String url) throws IOException
    {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        PartialViewContext partialViewContext = facesContext.getPartialViewContext(); 
        if (partialViewContext.isPartialRequest())
        {
            PartialResponseWriter writer = partialViewContext.getPartialResponseWriter();
            this.setResponseContentType("text/xml");
            this.setResponseCharacterEncoding("UTF-8");
            this.addResponseHeader("Cache-control", "no-cache");
            writer.startDocument();
            writer.redirect(url);

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                // JSF 2.0 the javadoc of handleNavigation() says something like this 
                // "...If the view has changed after an application action, call
                // PartialViewContext.setRenderAll(true)...". The effect is that ajax requests
                // are included on navigation.
                PartialViewContext partialViewContext = facesContext.getPartialViewContext();
                String viewId = facesContext.getViewRoot() != null ? facesContext.getViewRoot().getViewId() : null;
                if ( partialViewContext.isPartialRequest() && 
                     !partialViewContext.isRenderAll() && 
                     !toViewId.equals(viewId))
                {
                    partialViewContext.setRenderAll(true);
                }
                
                // JSF 2.0 Spec call Flash.setRedirect(true) to notify Flash scope and take proper actions
                externalContext.getFlash().setRedirect(true);
                try
                {
                    externalContext.redirect(redirectPath);
                    facesContext.responseComplete();
                }
                catch (IOException e)
                {
                    throw new FacesException(e.getMessage(), e);
                }
            }
            else
            {
                ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
                //create new view
                String newViewId = navigationCase.getToViewId(facesContext);
                // JSF 2.0 the javadoc of handleNavigation() says something like this 
                // "...If the view has changed after an application action, call
                // PartialViewContext.setRenderAll(true)...". The effect is that ajax requests
                // are included on navigation.
                PartialViewContext partialViewContext = facesContext.getPartialViewContext();
                String viewId = facesContext.getViewRoot() != null ? facesContext.getViewRoot().getViewId() : null;
                if ( partialViewContext.isPartialRequest() && 
                     !partialViewContext.isRenderAll() && 
                     !newViewId.equals(viewId))
                {
                    partialViewContext.setRenderAll(true);
                }


                if (facesContext.getViewRoot() != null)
                {
                    if (facesContext.getViewRoot().getAttributes().containsKey("oam.CALL_PRE_DISPOSE_VIEW"))

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