56 lines
1.8 KiB
Java
56 lines
1.8 KiB
Java
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package java.net;
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import libcore.content.type.MimeMap;
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/**
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* Implements {@link FileNameMap} in terms of {@link MimeMap}.
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*/
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class DefaultFileNameMap implements FileNameMap {
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public String getContentTypeFor(String filename) {
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int fragmentIndex = filename.indexOf('#');
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if (fragmentIndex >= 0) {
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filename = filename.substring(0, fragmentIndex);
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}
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if (filename.endsWith("/")) { // a directory
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return "text/html";
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}
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int slashIndex = filename.lastIndexOf('/');
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if (slashIndex >= 0) {
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filename = filename.substring(slashIndex);
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}
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MimeMap mimeMap = MimeMap.getDefault();
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int dotIndex = -1;
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do {
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String ext = filename.substring(dotIndex + 1);
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String result = mimeMap.guessMimeTypeFromExtension(ext);
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if ((result != null) &&
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// Compat behavior: If there's a '/', then extension must not be the
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// whole string. http://b/144977800
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(slashIndex < 0 || dotIndex >= 0)) {
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return result;
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}
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dotIndex = filename.indexOf('.', dotIndex + 1);
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} while (dotIndex >= 0);
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return null;
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}
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}
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