    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    }