/**
* Read an id generated from {@link #toId(FolderPath)} back to a {@link FolderPath}.
*
* @return the path or null if the input is null or not readable
*/
public static FolderPath fromId(String id) {
FolderPath folderPath;
if (id == null) {
folderPath = null;
} else
try {
String pathAsString = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8);
folderPath = FolderPath.deserializeFromString(pathAsString);
} catch (final NullPointerException
| IllegalArgumentException e) { // NOSONAR no need to log such an exception
// TODO: Maybe throwing an exception would be best, something like
// "InvalidFolderIdException"
folderPath = null;
}
return folderPath;
}
/**
* Converts this path to an identifier usable in an URL.
*
* @return the Base64 encoding of the String serialization of this path.
*/
public static String toId(FolderPath folderPath) {
return new String(
Base64.getEncoder()
.encode(folderPath.serializeAsString().getBytes(StandardCharsets.UTF_8)));
}