| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.nfc.beam; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.util.Log; |
| import android.webkit.MimeTypeMap; |
| |
| public final class MimeTypeUtil { |
| |
| private static final String TAG = "MimeTypeUtil"; |
| |
| private MimeTypeUtil() {} |
| |
| public static String getMimeTypeForUri(Context context, Uri uri) { |
| if (uri.getScheme() == null) return null; |
| |
| if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) { |
| ContentResolver cr = context.getContentResolver(); |
| return cr.getType(uri); |
| } else if (uri.getScheme().equals(ContentResolver.SCHEME_FILE)) { |
| String extension = null; |
| String filePath = uri.getPath().toLowerCase(); |
| int index = filePath.lastIndexOf("."); |
| if (index > 0 && index + 1 < filePath.length()) { |
| extension = filePath.substring(index + 1); |
| } |
| if (extension != null) { |
| return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension); |
| } else { |
| return null; |
| } |
| } else { |
| Log.d(TAG, "Could not determine mime type for Uri " + uri); |
| return null; |
| } |
| } |
| } |