+/* ownCloud Android client application
+ * Copyright (C) 2012-2014 ownCloud Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package com.owncloud.android.utils;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+
+
+/**
+ * A helper class for some Uri operations.
+ */
+public class UriUtils {
+
+ public static final String URI_CONTENT_SCHEME = "content://";
+
+
+ /**
+ * Get the value of the data column for this Uri. This is useful for
+ * MediaStore Uris, and other file-based ContentProviders.
+ *
+ * @param context The context.
+ * @param uri The Uri to query.
+ * @param selection (Optional) Filter used in the query.
+ * @param selectionArgs (Optional) Selection arguments used in the query.
+ * @return The value of the _data column, which is typically a file path.
+ */
+ public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
+
+ Cursor cursor = null;
+ final String column = "_data";
+ final String[] projection = { column };
+
+ try {
+ cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
+ if (cursor != null && cursor.moveToFirst()) {
+
+ final int column_index = cursor.getColumnIndexOrThrow(column);
+ return cursor.getString(column_index);
+ }
+ } finally {
+ if (cursor != null)
+ cursor.close();
+ }
+ return null;
+ }
+
+ /**
+ * @param uri The Uri to check.
+ * @return Whether the Uri authority is ExternalStorageProvider.
+ */
+ public static boolean isExternalStorageDocument(Uri uri) {
+ return "com.android.externalstorage.documents".equals(uri.getAuthority());
+ }
+
+ /**
+ * @param uri The Uri to check.
+ * @return Whether the Uri authority is DownloadsProvider.
+ */
+ public static boolean isDownloadsDocument(Uri uri) {
+ return "com.android.providers.downloads.documents".equals(uri.getAuthority());
+ }
+
+ /**
+ * @param uri The Uri to check.
+ * @return Whether the Uri authority is MediaProvider.
+ */
+ public static boolean isMediaDocument(Uri uri) {
+ return "com.android.providers.media.documents".equals(uri.getAuthority());
+ }
+
+ /**
+ * @param uri The Uri to check.
+ * @return Whether the Uri authority is Google Photos.
+ */
+ public static boolean isGooglePhotosUri(Uri uri) {
+ return "com.google.android.apps.photos.content".equals(uri.getAuthority());
+ }
+
+ /**
+ *
+ * @param uri The Uri to check.
+ * @return Whether the Uri is from a content provider as kind "content://..."
+ */
+ public static boolean isContentDocument(Uri uri) {
+ return uri.toString().startsWith(URI_CONTENT_SCHEME);
+ }
+}
projects / pub / Android / ownCloud.git / commitdiff