1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package libcore.util; 18 19 import java.net.FileNameMap; 20 import java.util.Locale; 21 import libcore.net.MimeUtils; 22 23 /** 24 * Implements {@link java.net.FileNameMap} in terms of {@link libcore.net.MimeUtils}. 25 */ 26 class DefaultFileNameMap implements FileNameMap { 27 public String getContentTypeFor(String filename) { 28 if (filename.endsWith("/")) { 29 // a directory, return html 30 return MimeUtils.guessMimeTypeFromExtension("html"); 31 } 32 int lastCharInExtension = filename.lastIndexOf('#'); 33 if (lastCharInExtension < 0) { 34 lastCharInExtension = filename.length(); 35 } 36 int firstCharInExtension = filename.lastIndexOf('.') + 1; 37 String ext = ""; 38 if (firstCharInExtension > filename.lastIndexOf('/')) { 39 ext = filename.substring(firstCharInExtension, lastCharInExtension); 40 } 41 return MimeUtils.guessMimeTypeFromExtension(ext.toLowerCase(Locale.US)); 42 } 43 } 44
