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}