Examples of javax.faces.application.Resource

javax.faces.application.Resource
@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 Methods


    private String getCompositeComponentName(UIComponent compositeComponent) {


        Resource resource =
              (Resource) compositeComponent.getAttributes().get(Resource.COMPONENT_RESOURCE_KEY);
        String name = resource.getResourceName();
        String library = resource.getLibraryName();


        if (library != null) {
            return "Composite Component: " + name + ", library: " + library;
        } else {
            return "Composite Component: " + name;

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        // Step 2. If that didn't work, if a script based resource can be 
        // found for the scriptComponentResource,
        // see if a component can be generated from it
        if (null == result) {
            Resource scriptComponentResource = pdl.getScriptComponentResource(context, componentResource);


            if (null != scriptComponentResource) {
                result = createComponentFromScriptResource(context,
                        scriptComponentResource, componentResource);
            }

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    private boolean enableMissingResourceLibraryDetection;


    public boolean containsTagHandler(String ns, String localName) {
        boolean result = false;


        Resource ccResource = null;
                        
        if (null != (ccResource = 
                getCompositeComponentResource(ns, localName))) {
            InputStream componentStream = null;
            try {
                componentStream = ccResource.getInputStream();
            } catch (IOException ex) {
                if (LOGGER.isLoggable(Level.SEVERE)) {
                    LOGGER.log(Level.SEVERE, ex.toString(), ex);
                }
            }

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        }
        return result || super.containsTagHandler(ns, localName);
    }
    
    private Resource getCompositeComponentResource(String ns, String localName) {
        Resource ccResource = null;
        if (ns.equals(this.ns)) {
            FacesContext context = FacesContext.getCurrentInstance();
            String libraryName = getCompositeComponentLibraryName(this.ns);
            if (null != libraryName) {
                String ccName = localName + ".xhtml";

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    public static boolean scriptComponentForResourceExists(FacesContext context,
            Resource componentResource) {
        boolean result = false;


        Resource scriptComponentResource = context.getApplication().getViewHandler().getViewDeclarationLanguage(context, context.getViewRoot().getViewId()).getScriptComponentResource(context, 
                componentResource);
        try {
            result = (null != scriptComponentResource) && (null != scriptComponentResource.getInputStream());
        } catch (IOException ex) {
            if (LOGGER.isLoggable(Level.SEVERE)) {
                LOGGER.log(Level.SEVERE, ex.toString(), ex);
            }
        }

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            query = name.substring(queryPos+1);
            name = name.substring(0,queryPos);
        }




        Resource resource = context.getApplication().getResourceHandler()
              .createResource(name, library);


        ResponseWriter writer = context.getResponseWriter();
        this.startElement(writer, component);


        String resourceSrc;
        if (resource == null) {
            resourceSrc = "RES_NOT_FOUND";
        } else {
            resourceSrc = resource.getRequestPath();
            if (query != null) {
                resourceSrc = resourceSrc +
                        ((resourceSrc.indexOf("?") > -1) ? "&amp;" : "?") +
                        query;
            }

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        if (contextMap.containsKey(key)) {
            return;
        }
        contextMap.put(key, Boolean.TRUE);
        
        Resource resource = context.getApplication().getResourceHandler()
              .createResource(name, library);


        ResponseWriter writer = context.getResponseWriter();
        writer.startElement("link", component);
        writer.writeAttribute("type", "text/css", "type");
        writer.writeAttribute("rel", "stylesheet", "rel");
        String resourceUrl = "RES_NOT_FOUND";
        if (resource != null) {
          resourceUrl = context.getExternalContext().encodeResourceURL(resource.getRequestPath());
        }
        writer.writeURIAttribute("href", resourceUrl, "href");
        if (media != null) {
            writer.writeAttribute("media", media, "media");
        }

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            return;
        }
        // Since we've now determined that it's not in the page, we need to add it.


        ResourceHandler handler = context.getApplication().getResourceHandler();
        Resource resource = handler.createResource(name, library);
        ResponseWriter writer = context.getResponseWriter();
        writer.write('\n');
        writer.startElement("script", null);
        writer.writeAttribute("type", "text/javascript", null);
        writer.writeAttribute("src", ((resource != null) ? resource.getRequestPath() : ""), null);
        writer.endElement("script");
        writer.append('\r');
        writer.append('\n');


        // Set the context to record script as included

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        String resName = (String) component.getAttributes().get("name");
        ResourceHandler handler = context.getApplication().getResourceHandler();
        if (resName != null) {
            String libName = (String) component.getAttributes().get("library");
            Resource res = handler.createResource(resName, libName);
            if (res == null) {
                if (context.isProjectStage(ProjectStage.Development)) {
                    String msg = "Unable to find resource " + resName;
                    context.addMessage(component.getClientId(context),
                                       new FacesMessage(FacesMessage.SEVERITY_ERROR,
                                                        msg,
                                                        msg));
                }
                return "RES_NOT_FOUND";
            } else {
              String requestPath = res.getRequestPath();
              return context.getExternalContext().encodeResourceURL(requestPath);
            }
        } else {
            
            String value = (String) component.getAttributes().get(attrName);

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        Stack<UIComponent> s = sh.getStack(false);
        if (s != null) {
            String path = location.getPath();
            for (int i = s.size(); i > 0; i--) {
                UIComponent cc = s.get(i - 1);
                Resource r = (Resource) cc.getAttributes().get(Resource.COMPONENT_RESOURCE_KEY);
                if (path.endsWith('/' + r.getResourceName()) && path.contains(r.getLibraryName())) {
                    return cc;
                }
            }
        } else {
            // runtime eval
            String path = location.getPath();
            UIComponent cc = UIComponent.getCurrentCompositeComponent(ctx);
            while (cc != null) {
                Resource r = (Resource) cc.getAttributes().get(Resource.COMPONENT_RESOURCE_KEY);
                if (path.endsWith('/' + r.getResourceName()) && path.contains(r.getLibraryName())) {
                    return cc;
                }
                cc = UIComponent.getCompositeComponentParent(cc);
            }
        }

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