TubeLab-App-Android/app/src/main/java/app/fedilab/fedilabtube/helper/FileNameCleaner.java

41 lines
1.5 KiB
Java

package app.fedilab.fedilabtube.helper;
/* Copyright 2020 Thomas Schneider
*
* This file is a part of TubeLab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* TubeLab 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 TubeLab; if not,
* see <http://www.gnu.org/licenses>. */
import java.util.Arrays;
/**
* Work from https://stackoverflow.com/a/26420820
*/
public class FileNameCleaner {
private final static int[] illegalChars = {34, 60, 62, 124, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 58, 42, 63, 92, 47};
static {
Arrays.sort(illegalChars);
}
public static String cleanFileName(String badFileName) {
StringBuilder cleanName = new StringBuilder();
int len = badFileName.codePointCount(0, badFileName.length());
for (int i = 0; i < len; i++) {
int c = badFileName.codePointAt(i);
if (Arrays.binarySearch(illegalChars, c) < 0) {
cleanName.appendCodePoint(c);
}
}
return cleanName.toString();
}
}