Examples of javax.faces.application.Application

javax.faces.application.Application

Application represents a per-web-application singleton object where applications based on JavaServer Faces (or implementations wishing to provide extended functionality) can register application-wide singletons that provide functionality required by JavaServer Faces. Default implementations of each object are provided for cases where the application does not choose to customize the behavior.

The instance of {@link Application} is created by calling thegetApplication() method of {@link ApplicationFactory}. Because this instance is shared, it must be implemented in a thread-safe manner.

The application also acts as a factory for several types of Objects specified in the Faces Configuration file. Please see {@link Application#createComponent}, {@link Application#createConverter}, and {@link Application#createValidator}.


    // if getType returns a type for which we support a default
    // conversion, acquire an appropriate converter instance.
    try
    {
      Application application = context.getApplication();
      return application.createConverter(converterType);
    }
    catch (FacesException e)
    {
      _LOG.warning("Tried to create converter for type {0}, but " +
                   "could not, likely because no converter is registered.",

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    }
    else
    {
      rw.writeAttribute("style", "padding-right: 5px; float: left;", null);
    }
    Application application = context.getApplication();
    ViewHandler handler = application.getViewHandler();
    String resolvedIconUri = handler.getResourceURL(context, iconUri);
    renderEncodedResourceURI(context, "src", resolvedIconUri);
    rw.endElement("img");
  }

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  {
    ApplicationFactory factory = (ApplicationFactory)
      FactoryFinder.getFactory(FactoryFinder.APPLICATION_FACTORY);
    if (factory != null)
    {
      Application application = factory.getApplication();
      if (application != null)
      {
        try
        {
          return application.createValueBinding(expression);
        }
        catch (NullPointerException npe)
        {
          ;
          // In the Sun RI, JSF 1.0 and 1.1, creating a ValueBinding

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  {
    if (_binding == null)
    {
      ApplicationFactory factory = (ApplicationFactory)
        FactoryFinder.getFactory(FactoryFinder.APPLICATION_FACTORY);
      Application application = factory.getApplication();
      try
      {
        _binding = application.createValueBinding(_expression);
      }
      catch (ReferenceSyntaxException rse)
      {
        _LOG.warning(rse);
      }

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  }


  public static ValueBinding getValueBinding(String valueBindingExpression)
  {
    FacesContext context = FacesContext.getCurrentInstance();
    Application app = context.getApplication();
    ValueBinding vb = app.createValueBinding(valueBindingExpression);
    return vb;
  }

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        Map.Entry entry = (Map.Entry) o;
        LOG.debug("*** '" + entry.getKey() + "' -> '" + entry.getValue() + "'");
      }
    }


    Application application = facesContext.getApplication();
    ViewHandler viewHandler = application.getViewHandler();
    String viewId = facesContext.getViewRoot().getViewId();
    String formAction = viewHandler.getActionURL(facesContext, viewId);
    formAction = facesContext.getExternalContext().encodeActionURL(formAction);
    String charset = (String) page.getAttributes().get(ATTR_CHARSET);
    ResponseUtils.ensureContentTypeHeader(facesContext, charset);

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    }


    ELContextTag parentELContext = (ELContextTag)
       findAncestorWithClass(this, ELContextTag.class);


    Application application =
      FacesContext.getCurrentInstance().getApplication();


    SetActionListener listener = new SetActionListener();
    if (_from != null)
    {
      if (TagUtils.isValueReference(_from))
      {
        String from = _from;
        if (parentELContext != null)
          from = parentELContext.transformExpression(from);


        listener.setValueBinding(SetActionListener.FROM_KEY,
                                 application.createValueBinding(from));
      }
      else
      {
        listener.setFrom(_from);
      }


      if (TagUtils.isValueReference(_to))
      {
        String to = _to;
        if (parentELContext != null)
          to = parentELContext.transformExpression(to);


        listener.setValueBinding(SetActionListener.TO_KEY,
                                 application.createValueBinding(to));
      }
      else
      {
        throw new JspException("setActionListener's 'to' attribute must " +
                               "be an EL expression.");

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    }


    ELContextTag parentELContext = (ELContextTag)
       findAncestorWithClass(this, ELContextTag.class);


    Application application =
      FacesContext.getCurrentInstance().getApplication();


    ReturnActionListener listener = new ReturnActionListener();
    if (_value != null)
    {
      String value = _value;
      if (TagUtils.isValueReference(value))
      {
        if (parentELContext != null)
          value = parentELContext.transformExpression(value);


        listener.setValueBinding(ReturnActionListener.VALUE_KEY,
                                 application.createValueBinding(value));
      }
      else
      {
        listener.setValue(value);
      }

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        Map.Entry entry = (Map.Entry) o;
        LOG.debug("*** '" + entry.getKey() + "' -> '" + entry.getValue() + "'");
      }
    }


    Application application = facesContext.getApplication();
    ViewHandler viewHandler = application.getViewHandler();
    String viewId = facesContext.getViewRoot().getViewId();
    String formAction = viewHandler.getActionURL(facesContext, viewId);
    formAction = facesContext.getExternalContext().encodeActionURL(formAction);
    String contentType = writer.getContentTypeWithCharSet();
    ResponseUtils.ensureContentTypeHeader(facesContext, contentType);

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            // is delegated because we don't have here the required Resource instance
            return _componentBuilderHandlerDelegate.createComponent(ctx);
        }
        UIComponent c = null;
        FacesContext faces = ctx.getFacesContext();
        Application app = faces.getApplication();
        if (_delegate.getBinding() != null)
        {
            ValueExpression ve = _delegate.getBinding().getValueExpression(ctx, Object.class);
            if (this._rendererType == null)
            {
                c = app.createComponent(ve, faces, this._componentType);
            }
            else
            {
                c = app.createComponent(ve, faces, this._componentType, this._rendererType);
            }
            if (c != null)
            {
                c.setValueExpression("binding", ve);
                
                if (!ve.isReadOnly(faces.getELContext()))
                {
                    ComponentSupport.getViewRoot(ctx, c).getAttributes().put("oam.CALL_PRE_DISPOSE_VIEW", Boolean.TRUE);
                    c.subscribeToEvent(PreDisposeViewEvent.class, new ClearBindingValueExpressionListener());
                }
            }
        }
        else
        {
            if (this._rendererType == null)
            {
                c = app.createComponent(this._componentType);
            }
            else
            {
                c = app.createComponent(faces, this._componentType, this._rendererType);
            }
        }
        return c;
    }

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