    001// Copyright 2009 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.bindings;
    016
    017import org.apache.tapestry5.Asset;
    018import org.apache.tapestry5.Binding;
    019import org.apache.tapestry5.ComponentResources;
    020import org.apache.tapestry5.commons.Location;
    021import org.apache.tapestry5.services.AssetSource;
    022import org.apache.tapestry5.services.BindingFactory;
    023
    024/**
    025 * Specialization of {@link org.apache.tapestry5.internal.bindings.AssetBindingFactory} that is explicitly limited to
    026 * context assets.
    027 *
    028 * @since 5.1.0.0
    029 */
    030public class ContextBindingFactory implements BindingFactory
    031{
    032    private final AssetSource source;
    033
    034    public ContextBindingFactory(AssetSource source)
    035    {
    036        this.source = source;
    037    }
    038
    039    public Binding newBinding(String description, ComponentResources container, ComponentResources component,
    040                              String expression, Location location)
    041    {
    042        Asset asset = source.getContextAsset(expression, container.getLocale());
    043
    044        return new AssetBinding(location, description, asset);
    045    }
    046}