001// Copyright 2007, 2008, 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.ioc.Location; 021import org.apache.tapestry5.ioc.Resource; 022import org.apache.tapestry5.services.AssetSource; 023import org.apache.tapestry5.services.BindingFactory; 024 025/** 026 * Binding factory where the expression is a reference to an asset. 027 * 028 * @see org.apache.tapestry5.services.AssetSource 029 * @see org.apache.tapestry5.internal.bindings.ContextBindingFactory 030 */ 031public class AssetBindingFactory implements BindingFactory 032{ 033 private final AssetSource source; 034 035 public AssetBindingFactory(AssetSource source) 036 { 037 this.source = source; 038 } 039 040 public Binding newBinding(String description, ComponentResources container, ComponentResources component, 041 String expression, Location location) 042 { 043 Resource baseResource = container.getBaseResource(); 044 045 Asset asset = source.getAsset(baseResource, expression, container.getLocale()); 046 047 return new AssetBinding(location, description, asset); 048 } 049}