    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.internal.services.assets;
    016
    017    import java.util.Map;
    018
    019    import org.apache.tapestry5.services.assets.CompressionAnalyzer;
    020
    021    public class CompressionAnalyzerImpl implements CompressionAnalyzer
    022    {
    023        private final Map<String, Boolean> configuration;
    024
    025        public CompressionAnalyzerImpl(Map<String, Boolean> configuration)
    026        {
    027            this.configuration = configuration;
    028        }
    029
    030        public boolean isCompressable(String contentType)
    031        {
    032            assert contentType != null;
    033
    034            int x = contentType.indexOf(';');
    035
    036            String key = x < 0 ? contentType : contentType.substring(0, x);
    037
    038            Boolean result = configuration.get(key);
    039
    040            return result == null ? true : result.booleanValue();
    041        }
    042    }