/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.uruma.renderer.impl;

 import org.seasar.uruma.component.UIComponent;

 import org.seasar.uruma.context.PartContext;

 import org.seasar.uruma.context.WidgetHandle;

 import org.seasar.uruma.context.WindowContext;

 import org.seasar.uruma.renderer.Renderer;

 /**

  * 何も処理を行わないレンダラです。<br />

  * 

  * @author y-komori

  */

 public class NullRenderer implements Renderer {

     /*

      * @see org.seasar.uruma.renderer.Renderer#preRender(org.seasar.uruma.component.UIComponent,

      *      org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.context.WindowContext)

      */

     public WidgetHandle preRender(final UIComponent uiComponent,

             final WidgetHandle parent, final WindowContext context) {

         // Do nothing.

         return null;

     }

     /*

      * @see org.seasar.uruma.renderer.Renderer#render(org.seasar.uruma.component.UIComponent,

      *      org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.context.PartContext)

      */

     public WidgetHandle render(final UIComponent uiComponent,

             final WidgetHandle parent, final PartContext context) {

         // Do nothing.

         return null;

     }

     /*

      * @see org.seasar.uruma.renderer.Renderer#renderAfter(org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.component.UIComponent,

      *      org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.context.PartContext)

      */

     public void renderAfter(final WidgetHandle widget,

             final UIComponent uiComponent, final WidgetHandle parent,

             final PartContext context) {

         // Do nothing.

     }

     /*

      * @see org.seasar.uruma.renderer.Renderer#reRender(org.seasar.uruma.context.WidgetHandle)

      */

     public void reRender(final WidgetHandle widget) {

         // Do nothing.

     }

 }