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.internal.services.assets; 016 017import java.util.Map; 018 019import org.apache.tapestry5.services.assets.CompressionAnalyzer; 020 021public 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}