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    
015    package org.apache.tapestry5.yuicompressor.services;
016    
017    import org.apache.tapestry5.internal.yuicompressor.CSSResourceMinimizer;
018    import org.apache.tapestry5.internal.yuicompressor.JavaScriptResourceMinimizer;
019    import org.apache.tapestry5.ioc.MappedConfiguration;
020    import org.apache.tapestry5.ioc.annotations.Contribute;
021    import org.apache.tapestry5.ioc.annotations.Primary;
022    import org.apache.tapestry5.services.assets.ResourceMinimizer;
023    
024    import 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     */
031    public 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    }