c197a330f3
- Add configurable cooldown period after sending an email for /email recovery - Change ExpiringMap to remove expired entries (like ExpiringSet) - Create method to translate durations via the messages file
74 lines
2.0 KiB
Java
74 lines
2.0 KiB
Java
package fr.xephi.authme.util;
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import fr.xephi.authme.ConsoleLogger;
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import java.util.Collection;
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import java.util.regex.Pattern;
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/**
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* Utility class for various operations used in the codebase.
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*/
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public final class Utils {
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/** Number of milliseconds in a minute. */
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public static final long MILLIS_PER_MINUTE = 60_000L;
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/** Number of milliseconds in an hour. */
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public static final long MILLIS_PER_HOUR = 60 * MILLIS_PER_MINUTE;
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// Utility class
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private Utils() {
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}
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/**
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* Compile Pattern sneaky without throwing Exception.
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*
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* @param pattern pattern string to compile
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*
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* @return the given regex compiled into Pattern object.
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*/
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public static Pattern safePatternCompile(String pattern) {
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try {
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return Pattern.compile(pattern);
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} catch (Exception e) {
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ConsoleLogger.warning("Failed to compile pattern '" + pattern + "' - defaulting to allowing everything");
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return Pattern.compile(".*?");
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}
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}
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/**
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* Returns whether the class exists in the current class loader.
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*
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* @param className the class name to check
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*
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* @return true if the class is loaded, false otherwise
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*/
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public static boolean isClassLoaded(String className) {
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try {
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Class.forName(className);
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return true;
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} catch (ClassNotFoundException e) {
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return false;
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}
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}
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/**
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* Null-safe way to check whether a collection is empty or not.
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*
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* @param coll The collection to verify
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* @return True if the collection is null or empty, false otherwise
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*/
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public static boolean isCollectionEmpty(Collection<?> coll) {
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return coll == null || coll.isEmpty();
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}
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/**
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* Return the available core count of the JVM.
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*
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* @return the core count
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*/
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public static int getCoreCount() {
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return Runtime.getRuntime().availableProcessors();
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}
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}
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