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.binding;
016
017import org.apache.hivemind.Location;
018import org.apache.tapestry.IBinding;
019import org.apache.tapestry.IComponent;
020import org.apache.tapestry.services.ExpressionCache;
021import org.apache.tapestry.services.ExpressionEvaluator;
022
023/**
024 * Implementation of {@link org.apache.tapestry.binding.BindingFactory}that creates
025 * {@link org.apache.tapestry.binding.ExpressionBinding}instances.
026 * 
027 * @author Howard Lewis Ship
028 * @since 4.0
029 */
030public class OGNLBindingFactory extends AbstractBindingFactory
031{
032    private ExpressionEvaluator _expressionEvaluator;
033
034    private ExpressionCache _expressionCache;
035
036    public IBinding createBinding(IComponent root, String description, String expression,
037            Location location)
038    {
039        return new ExpressionBinding(description, location, getValueConverter(), root, expression,
040                _expressionEvaluator, _expressionCache);
041    }
042
043    public void setExpressionCache(ExpressionCache expressionCache)
044    {
045        _expressionCache = expressionCache;
046    }
047
048    public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator)
049    {
050        _expressionEvaluator = expressionEvaluator;
051    }
052
053}