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}.

         {
            request.getParameterMap().put(param.getKey(), new String[] { param.getValue() });
         }
      }
      ExternalContext extContext = new MockExternalContext(request);
      Application application = new MockApplication();
      application.addELResolver(new ImplicitObjectELResolver());
      FacesContext facesCtx = new MockFacesContext(extContext, application).setCurrent();
      assert FacesContext.getCurrentInstance() != null;
      return facesCtx;
   }

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        if (attributeValue != null)
        {
            if (UIComponentTag.isValueReference(this.client))
            {
                final FacesContext context = FacesContext.getCurrentInstance();
                final Application application = context.getApplication();
                final ValueBinding binding = application.createValueBinding(attributeValue);
                component.setValueBinding(
                    attributeName,
                    binding);
            }
            else

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      }
      // if getType returns a type for which we support a default
      // conversion, acquire an appropriate converter instance.


      try {
        Application application = context.getApplication();
        converter = application.createConverter(converterType);
        if (log.isDebugEnabled()) {
          log.debug("Created converter " + converter + "of type "
              + converterType + " while decoding component "
              + component.getId());
        }

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  protected Converter createConverter()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    DateTimeConverter converter = null;


    String id = "javax.faces.DateTime";


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      converter = (DateTimeConverter) _bindingExpr.getValue(elContext);


    if (converter == null) {
      converter = (DateTimeConverter) app.createConverter(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, converter);
    }

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  protected Validator createValidator()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    LongRangeValidator validator = null;


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      validator = (LongRangeValidator) _bindingExpr.getValue(elContext);


    if (validator == null) {
      String id = LongRangeValidator.VALIDATOR_ID;


      validator = (LongRangeValidator) app.createValidator(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, validator);
    }

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  protected Converter createConverter()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    NumberConverter converter = null;


    String id = "javax.faces.Number";


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      converter = (NumberConverter) _bindingExpr.getValue(elContext);


    if (converter == null) {
      converter = (NumberConverter) app.createConverter(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, converter);
    }

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  protected Validator createValidator()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    DoubleRangeValidator validator = null;


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      validator = (DoubleRangeValidator) _bindingExpr.getValue(elContext);


    if (validator == null) {
      String id = DoubleRangeValidator.VALIDATOR_ID;


      validator = (DoubleRangeValidator) app.createValidator(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, validator);
    }

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  protected Converter createConverter()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    Converter converter = null;


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      converter = (Converter) _bindingExpr.getValue(elContext);


    if (converter == null) {
      String id = (String) _converterIdExpr.getValue(elContext);


      converter = app.createConverter(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, converter);
    }

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  protected Validator createValidator()
  {
    FacesContext context = FacesContext.getCurrentInstance();


    Application app = context.getApplication();


    LengthValidator validator = null;


    ELContext elContext = context.getELContext();
      
    if (_bindingExpr != null)
      validator = (LengthValidator) _bindingExpr.getValue(elContext);


    if (validator == null) {
      String id = LengthValidator.VALIDATOR_ID;


      validator = (LengthValidator) app.createValidator(id);


      if (_bindingExpr != null)
        _bindingExpr.setValue(elContext, validator);
    }

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    ResponseWriter writer = facesContext.getResponseWriter();
    if (writer == null) {
      RenderKit renderKit = facesContext.getRenderKit();
      if (renderKit == null) {
        RenderKitFactory renderFactory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
        Application application = facesContext.getApplication();
        ViewHandler applicationViewHandler = application.getViewHandler();
        String renderKitId = applicationViewHandler.calculateRenderKitId(facesContext);
        renderKit = renderFactory.getRenderKit(facesContext, renderKitId);
      }
      writer = renderKit.createResponseWriter(((HttpServletResponse)
              facesContext.getExternalContext().getResponse()).getWriter(), null, null);

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