001// Copyright 2011 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.yuicompressor.services;
016
017import org.apache.tapestry5.internal.yuicompressor.CSSResourceMinimizer;
018import org.apache.tapestry5.internal.yuicompressor.JavaScriptResourceMinimizer;
019import org.apache.tapestry5.ioc.MappedConfiguration;
020import org.apache.tapestry5.ioc.annotations.Contribute;
021import org.apache.tapestry5.ioc.annotations.Primary;
022import org.apache.tapestry5.services.assets.ResourceMinimizer;
023
024import com.yahoo.platform.yui.compressor.YUICompressor;
025
026/**
027 * Sets up Tapestry to compress JavaScript assets using {@link YUICompressor}.
028 * 
029 * @since 5.3
030 */
031public class YuiCompressorModule
032{
033    /**
034     * Contibutes minimizers for <code>text/javascript</code> and <code>test/css</code>.
035     * 
036     * @param configuration
037     */
038    @Contribute(ResourceMinimizer.class)
039    @Primary
040    public static void contributeMinimizers(MappedConfiguration<String, ResourceMinimizer> configuration)
041    {
042        configuration.addInstance("text/javascript", JavaScriptResourceMinimizer.class);
043        configuration.addInstance("text/css", CSSResourceMinimizer.class);
044    }
045}