AuthMeReloaded/src/main/java/fr/xephi/authme/util/Utils.java

111 lines
3.6 KiB
Java

package fr.xephi.authme.util;
import fr.xephi.authme.ConsoleLogger;
import fr.xephi.authme.output.ConsoleLoggerFactory;
import org.bukkit.ChatColor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.ConsoleCommandSender;
import java.util.Collection;
import java.util.regex.Pattern;
/**
* Utility class for various operations used in the codebase.
*/
public final class Utils {
/** Number of milliseconds in a minute. */
public static final long MILLIS_PER_MINUTE = 60_000L;
private static ConsoleLogger logger = ConsoleLoggerFactory.get(Utils.class);
// Utility class
private Utils() {
}
/**
* Compile Pattern sneaky without throwing Exception.
*
* @param pattern pattern string to compile
*
* @return the given regex compiled into Pattern object.
*/
public static Pattern safePatternCompile(String pattern) {
try {
return Pattern.compile(pattern);
} catch (Exception e) {
logger.warning("Failed to compile pattern '" + pattern + "' - defaulting to allowing everything");
return Pattern.compile(".*?");
}
}
/**
* Returns whether the class exists in the current class loader.
*
* @param className the class name to check
*
* @return true if the class is loaded, false otherwise
*/
public static boolean isClassLoaded(String className) {
try {
Class.forName(className);
return true;
} catch (ClassNotFoundException e) {
return false;
}
}
/**
* Sends a message to the given sender (null safe), and logs the message to the console.
* This method is aware that the command sender might be the console sender and avoids
* displaying the message twice in this case.
*
* @param sender the sender to inform
* @param message the message to log and send
*/
public static void logAndSendMessage(CommandSender sender, String message) {
logger.info(message);
// Make sure sender is not console user, which will see the message from ConsoleLogger already
if (sender != null && !(sender instanceof ConsoleCommandSender)) {
sender.sendMessage(message);
}
}
/**
* Sends a warning to the given sender (null safe), and logs the warning to the console.
* This method is aware that the command sender might be the console sender and avoids
* displaying the message twice in this case.
*
* @param sender the sender to inform
* @param message the warning to log and send
*/
public static void logAndSendWarning(CommandSender sender, String message) {
logger.warning(message);
// Make sure sender is not console user, which will see the message from ConsoleLogger already
if (sender != null && !(sender instanceof ConsoleCommandSender)) {
sender.sendMessage(ChatColor.RED + message);
}
}
/**
* Null-safe way to check whether a collection is empty or not.
*
* @param coll The collection to verify
* @return True if the collection is null or empty, false otherwise
*/
public static boolean isCollectionEmpty(Collection<?> coll) {
return coll == null || coll.isEmpty();
}
/**
* Returns whether the given email is empty or equal to the standard "undefined" email address.
*
* @param email the email to check
*
* @return true if the email is empty
*/
public static boolean isEmailEmpty(String email) {
return StringUtils.isBlank(email) || "your@email.com".equalsIgnoreCase(email);
}
}