// Copyright 2008 The Apache Software Foundation

 //

 // 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.apache.tapestry5.internal.renderers;

 import org.apache.tapestry5.MarkupWriter;

 import org.apache.tapestry5.ioc.annotations.Primary;

 import org.apache.tapestry5.services.ObjectRenderer;

 import java.util.List;

 /**

  * Renders a List, but rendering an unordered list.

  */

 public class ListRenderer implements ObjectRenderer<List>

 {

     private final ObjectRenderer masterRenderer;

     public ListRenderer(@Primary ObjectRenderer masterRenderer)

     {

         this.masterRenderer = masterRenderer;

     }

     public void render(List list, MarkupWriter writer)

     {

         if (list.isEmpty())

         {

             writer.element("em");

             writer.write("empty list");

             writer.end();

             return;

         }

         writer.element("ul", "class", "t-data-list");

         for (Object element : list)

         {

             writer.element("li");

             masterRenderer.render(element, writer);

             writer.end();

         }

         writer.end();

     }

 }