001// Copyright 2004, 2005 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.tapestry.bean;
016
017import org.apache.hivemind.ApplicationRuntimeException;
018import org.apache.hivemind.impl.BaseLocatable;
019import org.apache.hivemind.util.PropertyUtils;
020import org.apache.tapestry.Tapestry;
021
022/**
023 * Base class for initializing a property of a JavaBean.
024 * 
025 * @author Howard Lewis Ship
026 * @since 1.0.5
027 */
028
029abstract public class AbstractBeanInitializer extends BaseLocatable implements IBeanInitializer
030{
031    protected String _propertyName;
032
033    public String getPropertyName()
034    {
035        return _propertyName;
036    }
037
038    /** @since 3.0 * */
039
040    public void setPropertyName(String propertyName)
041    {
042        _propertyName = propertyName;
043    }
044
045    protected void setBeanProperty(Object bean, Object value)
046    {
047        try
048        {
049            PropertyUtils.write(bean, _propertyName, value);
050        }
051        catch (ApplicationRuntimeException ex)
052        {
053            String message = Tapestry.format(
054                    "AbstractBeanInitializer.unable-to-set-property",
055                    _propertyName,
056                    bean,
057                    value);
058
059            throw new ApplicationRuntimeException(message, getLocation(), ex);
060        }
061
062    }
063}