    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
    015package org.apache.tapestry5.internal.renderers;
    016
    017import org.apache.tapestry5.MarkupWriter;
    018import org.apache.tapestry5.ioc.annotations.Primary;
    019import org.apache.tapestry5.services.ObjectRenderer;
    020
    021import java.util.Arrays;
    022import java.util.List;
    023
    024/**
    025 * Renders an Object[] array as an unordered list.
    026 */
    027public 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}