Feature/#59 bootsfaces renderers

Sosit18/src/java/controller/InitBootsfacesBean.java

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+package controller;
+
+import static com.sun.xml.ws.spi.db.BindingContextFactory.LOGGER;
+import java.util.logging.Level;
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.context.Initialized;
+import javax.enterprise.event.Observes;
+import javax.faces.FactoryFinder;
+import javax.inject.Named;
+import javax.faces.component.UIComponentBase;
+import javax.faces.context.FacesContext;
+import javax.faces.render.RenderKit;
+import javax.faces.render.RenderKitFactory;
+import javax.faces.render.Renderer;
+import net.bootsfaces.component.ComponentsEnum;
+
+/**
+ * Register the Bootsfaces renderers
+ * https://beyondjava.net/running-bootsfaces-on-glassfish-or-payara
+ */
+@ApplicationScoped
+@Named
+public class InitBootsfacesBean {
+
+    private RenderKit defaultRenderKit = null;
+
+    public void startup(@Observes @Initialized(ApplicationScoped.class) Object context) {
+        initializeBootsfacesRenderers();
+    }
+
+    private void initializeBootsfacesRenderers() {
+        int componentsTotal = 0;
+        int renderersAddedCount = 0;
+
+        // Loop through all of the Bootsfaces components
+        for (ComponentsEnum value : ComponentsEnum.values()) {
+
+            // Get the component class information
+            String className;
+
+            // switchComponent has wrong classpath in ComponentsEnum
+            if (value.name().equals("switchComponent")) {
+                // Use correct qualified name
+                className = "net.bootsfaces.component.switchComponent.Switch";
+            } else {
+                // Otherwise, use specified value
+                className = value.classname();
+            }
+
+            // See if this is an internal reference
+            if (className.contains("Internal")) {
+                LOGGER.log(Level.INFO, "Init Bootsfaces: Skipping internal component: {0}", className);
+            } else {
+
+                LOGGER.log(Level.INFO, "Init Bootsfaces: Processing component: {0}", className);
+                componentsTotal++;
+
+                try {
+                    // See if we can instantiate the class
+                    Class componentClass = Class.forName(className);
+                    Class<UIComponentBase> baseClass = componentClass.asSubclass(UIComponentBase.class);
+                    UIComponentBase component = baseClass.newInstance();
+                    String rendererFamily = component.getFamily();
+                    String rendererType = component.getRendererType();
+
+                    // Determine the renderer class name
+                    String simpleName = componentClass.getSimpleName();
+                    String rendererClassName;
+                    switch (simpleName) {
+                        case "NavCommandLink":
+                            // Shares same renderer with NavLink
+                            rendererClassName = "net.bootsfaces.component.navLink.NavLinkRenderer";
+                            break;
+                        default:
+                            // We have to guess at the name of the renderer
+                            rendererClassName = className + "Renderer";
+                    }
+
+                    // Look up the renderer
+                    Class rendererSuperclass = Class.forName(rendererClassName);
+                    Class<Renderer> rendererClass = rendererSuperclass.asSubclass(Renderer.class);
+                    Renderer renderer = rendererClass.newInstance();
+                    LOGGER.log(Level.INFO, "Init Bootsfaces: Registering renderer: {0}/{1}", new Object[]{rendererFamily, rendererType});
+
+                    addRenderer(rendererFamily, rendererType, renderer);
+                    // ****** THIS IS THE IMPORTANT CALL TO REGISTER THE RENDERER *********
+                    renderersAddedCount++;
+                } catch (Throwable e) {
+                    LOGGER.log(Level.WARNING, "Init Bootsfaces: Unable to register renderer for component: " + className, e);
+                }
+            }
+        }
+        LOGGER.log(Level.INFO, "Init Bootsfaces: registered renderers/total components : {0}/{1}", new Object[]{renderersAddedCount, componentsTotal});
+    }
+
+    public void addRenderer(String family, String rendererType, Renderer renderer) {
+        getDefaultRenderKit().addRenderer(family, rendererType, renderer);
+    }
+
+    /*
+     * From org.primefaces.mobile.renderkit.MobileRenderKit
+     */
+    private RenderKit getDefaultRenderKit() {
+        if (defaultRenderKit == null) {
+            RenderKitFactory renderKitFactory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
+            FacesContext facesContext = FacesContext.getCurrentInstance();
+            defaultRenderKit = renderKitFactory.getRenderKit(facesContext, RenderKitFactory.HTML_BASIC_RENDER_KIT);
+        }
+        return defaultRenderKit;
+    }
+}