    001    // Copyright 2008 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.renderers;
    016
    017    import org.apache.tapestry5.MarkupWriter;
    018    import org.apache.tapestry5.ioc.annotations.Primary;
    019    import org.apache.tapestry5.services.ObjectRenderer;
    020
    021    import java.util.Arrays;
    022    import java.util.List;
    023
    024    /**
    025     * Renders an Object[] array as an unordered list.
    026     */
    027    public class ObjectArrayRenderer implements ObjectRenderer<Object[]>
    028    {
    029        private final ObjectRenderer masterRenderer;
    030
    031        public ObjectArrayRenderer(@Primary ObjectRenderer masterRenderer)
    032        {
    033            this.masterRenderer = masterRenderer;
    034        }
    035
    036        public void render(Object[] array, MarkupWriter writer)
    037        {
    038            if (array.length == 0)
    039            {
    040                writer.element("em");
    041                writer.write("empty array");
    042                writer.end();
    043                return;
    044            }
    045
    046            List list = Arrays.asList(array);
    047
    048            masterRenderer.render(list, writer);
    049        }
    050    }