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Improved version of the DBus-Java library provided by freedesktop.org (https://dbus.freedesktop.org/doc/dbus-java/).

There is a newer version: 5.1.0

package org.freedesktop.dbus.utils;

import java.util.Arrays;

/**
 * Helper for some logging stuff, e.g. avoid call {@link Arrays#deepToString(Object[])} if loglevel is not enabled. 
 *
 * @author David M.
 * @since v3.2.4 - 2020-08-24
 */
public final class LoggingHelper {
    
    private LoggingHelper() {
    }
    
    /**
     * Calls {@link Arrays#deepToString(Object[])} if given boolean is true, returns null otherwise.
     * 
     * @param _loggingEnabled true to create deep-string representation of given array
     * @param _array array to convert to deep-string
     * 
     * @return String or null if given boolean is false or _array is null
     */
    public static String arraysDeepString(boolean _loggingEnabled, Object[] _array) {
        if (!_loggingEnabled) {
            return null;
        }
        
        if (_array == null) {
            return null;
        }
        
        return Arrays.deepToString(_array);
    }
}