Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.classic.jul;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;

public class JULHelper {

    static public final boolean isRegularNonRootLogger(java.util.logging.Logger julLogger) {
        if (julLogger == null)
            return false;
        return !julLogger.getName().equals("");
    }

    static public final boolean isRoot(java.util.logging.Logger julLogger) {
        if (julLogger == null)
            return false;
        return julLogger.getName().equals("");
    }

    static public java.util.logging.Level asJULLevel(Level lbLevel) {
        if (lbLevel == null)
            throw new IllegalArgumentException("Unexpected level [null]");

        switch (lbLevel.levelInt) {
        case Level.ALL_INT:
            return java.util.logging.Level.ALL;
        case Level.TRACE_INT:
            return java.util.logging.Level.FINEST;
        case Level.DEBUG_INT:
            return java.util.logging.Level.FINE;
        case Level.INFO_INT:
            return java.util.logging.Level.INFO;
        case Level.WARN_INT:
            return java.util.logging.Level.WARNING;
        case Level.ERROR_INT:
            return java.util.logging.Level.SEVERE;
        case Level.OFF_INT:
            return java.util.logging.Level.OFF;
        default:
            throw new IllegalArgumentException("Unexpected level [" + lbLevel + "]");
        }
    }

    static public String asJULLoggerName(String loggerName) {
        if (Logger.ROOT_LOGGER_NAME.equals(loggerName))
            return "";
        else
            return loggerName;
    }

    static public java.util.logging.Logger asJULLogger(String loggerName) {
        String julLoggerName = asJULLoggerName(loggerName);
        return java.util.logging.Logger.getLogger(julLoggerName);
    }

    static public java.util.logging.Logger asJULLogger(Logger logger) {
        return asJULLogger(logger.getName());
    }

}