1/*
2 * Copyright (C) 2014 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
17package com.android.nfc.beam;
18
19import android.content.ContentResolver;
20import android.content.Context;
21import android.net.Uri;
22import android.util.Log;
23import android.webkit.MimeTypeMap;
24
25public final class MimeTypeUtil {
26
27    private static final String TAG = "MimeTypeUtil";
28
29    private MimeTypeUtil() {}
30
31    public static String getMimeTypeForUri(Context context, Uri uri) {
32        if (uri.getScheme() == null) return null;
33
34        if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
35            ContentResolver cr = context.getContentResolver();
36            return cr.getType(uri);
37        } else if (uri.getScheme().equals(ContentResolver.SCHEME_FILE)) {
38            String extension = MimeTypeMap.getFileExtensionFromUrl(uri.getPath()).toLowerCase();
39            if (extension != null) {
40                return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
41            } else {
42                return null;
43            }
44        } else {
45            Log.d(TAG, "Could not determine mime type for Uri " + uri);
46            return null;
47        }
48    }
49}
50