Update AbilityUtils.java

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Daniil547 2020-10-06 15:49:49 +00:00 committed by GitHub
parent 1855a27d13
commit fe79de9bb7
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@ -269,4 +269,29 @@ public final class AbilityUtils {
public static String escape(String username) {
return username.replace("_", "\\_");
}
/**
* Checks if the passed string is a valid bot command according to the requirements of Telegram Bot API:
* "A command must always start with the '/' symbol and may not be longer than 32 characters.
* Commands can use latin letters, numbers and underscores."
* (https://core.telegram.org/bots#commands)
*
* @param command String representation of a command to be checked for validity
* @return whether the command is valid
*/
public static boolean isValidCommand(String command){
if (command == null || command.length() > 32) return false;
return command.matches("/[A-Za-z_0-9]+");
}
/**
* Checks if the passed String is a valid command name. Command name is text of a command without leading '/'
*
* @param commandName the command's name to be checked for validity
* @return whether the command's name is valid
*/
public static boolean isValidCommandName(String commandName){
if (commandName == null || commandName.length() > 31) return false;
return commandName.matches("[A-Za-z_0-9]+");
}
}