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 17 package com.android.nfc.handover; 18 19 import android.content.ContentResolver; 20 import android.content.Context; 21 import android.net.Uri; 22 import android.util.Log; 23 import android.webkit.MimeTypeMap; 24 25 public 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 }
