package org.andromda.cartridges.jsf.taglib;
   
   import javax.faces.application.Application;
   import javax.faces.component.UIComponent;
   import javax.faces.context.FacesContext;
   import javax.faces.el.ValueBinding;
   import javax.faces.webapp.UIComponentTag;
   
   import org.andromda.cartridges.jsf.component.JSFValidatorComponent;
  
  
  /**
   * The tag class for the <code>s:validatorScript</code> tag.
   */
  public class JSFValidatorTag
      extends UIComponentTag
  {
      /**
       * Whether or not client side validation should be enabled
       */
      private String client;
  
      /**
       * Sets whether or not client side validation shall be enabled.
       *
       * @param clientIn a true/false string.
       */
      public void setClient(final String clientIn)
      {
          this.client = clientIn;
      }
  
      /**
       * Sets properties for the component.
       *
       * @param component The component whose properties we're setting
       */
      @Override
      public void setProperties(final UIComponent component)
      {
          super.setProperties(component);
  
          final String attributeName = JSFValidatorComponent.CLIENT;
          final String attributeValue = this.client;
          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
              {
                  component.getAttributes().put(
                      attributeName,
                      attributeValue);
              }
          }
          final String validatorId = this.getId();
          if (validatorId != null)
          {
              component.setId(validatorId);
          }
      }
  
      /**
       * Sets the <code>client</code> property to null.
       *
       * @see javax.servlet.jsp.tagext.Tag#release()
       */
      @Override
      public void release()
      {
          super.release();
          this.client = null;
      }
  
      /**
       * Returns the renderer type, which is null.
       */
      @Override
      public String getRendererType()
      {
          return null;
      }
  
      /**
       * The component type.
       */
      private static final String COMPONENT_TYPE = JSFValidatorComponent.class.getName();
  
      /**
       * Returns the component type, which is
       * <code>org.andromda.cartridges.jsf.component.JSFValidatorScript</code>.
       */
     @Override
     public String getComponentType()
     {
         return COMPONENT_TYPE;
     }
 }