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.services.impl;
016
017import org.apache.tapestry.engine.IPropertySource;
018import org.apache.tapestry.web.InitializationParameterHolder;
019
020/**
021 * Searches for property values inside objects that implement
022 * {@link org.apache.tapestry.web.InitializationParameterHolder}.
023 * 
024 * @author Howard Lewis Ship
025 * @since 4.0
026 */
027public class InitializationParameterHolderPropertySource implements IPropertySource
028{
029    private InitializationParameterHolder _holder;
030
031    public String getPropertyValue(String propertyName)
032    {
033        return _holder.getInitParameterValue(propertyName);
034    }
035
036    public void setHolder(InitializationParameterHolder holder)
037    {
038        _holder = holder;
039    }
040
041}