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/*
* Copyright (C) 2019 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.providers.downloads;
import android.content.ContentUris;
import android.net.Uri;
import android.provider.MediaStore;
public class MediaStoreDownloadsHelper {
private static final String MEDIASTORE_DOWNLOAD_FILE_PREFIX = "msf:";
private static final String MEDIASTORE_DOWNLOAD_DIR_PREFIX = "msd:";
public static String getDocIdForMediaStoreDownload(long id, boolean isDir) {
return (isDir ? MEDIASTORE_DOWNLOAD_DIR_PREFIX : MEDIASTORE_DOWNLOAD_FILE_PREFIX) + id;
}
public static boolean isMediaStoreDownload(String docId) {
return docId != null && (docId.startsWith(MEDIASTORE_DOWNLOAD_FILE_PREFIX)
|| docId.startsWith(MEDIASTORE_DOWNLOAD_DIR_PREFIX));
}
public static long getMediaStoreId(String docId) {
return Long.parseLong(getMediaStoreIdString(docId));
}
public static String getMediaStoreIdString(String docId) {
final int index = docId.indexOf(":");
return docId.substring(index + 1);
}
public static boolean isMediaStoreDownloadDir(String docId) {
return docId != null && docId.startsWith(MEDIASTORE_DOWNLOAD_DIR_PREFIX);
}
public static Uri getMediaStoreUri(String docId) {
return ContentUris.withAppendedId(MediaStore.Downloads.EXTERNAL_CONTENT_URI,
getMediaStoreId(docId));
}
}
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