001// Copyright 2007, 2011 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.corelib.components;
016
017import org.apache.tapestry5.MarkupWriter;
018import org.apache.tapestry5.beanmodel.PropertyModel;
019import org.apache.tapestry5.corelib.base.AbstractPropertyOutput;
020
021/**
022 * Outputs a single property value. Overrides for individual properties come from block parameters whose name matches
023 * the {@linkplain PropertyModel#getId() property id}. This component is rarely used on its own, but is a critical piece
024 * of the {@link BeanDisplay} component.
025 * 
026 * @tapestrydoc
027 */
028public class PropertyDisplay extends AbstractPropertyOutput
029{
030    Object beginRender(MarkupWriter writer)
031    {
032        return renderPropertyValue(writer, getPropertyModel().getId());
033    }
034}