    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements. See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache license, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License. You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the license for the specific language governing permissions and
    015     * limitations under the license.
    016     */
    017
    018    package org.apache.logging.log4j.jul;
    019
    020    import java.util.logging.Level;
    021    import java.util.logging.Logger;
    022
    023    /**
    024     * Log4j Core implementation of the JUL {@link Logger} class. <strong>Note that this implementation does
    025     * <em>not</em> use the {@link java.util.logging.Handler} class.</strong> Instead, logging is delegated to the
    026     * underlying Log4j {@link org.apache.logging.log4j.core.Logger} which uses
    027     * {@link org.apache.logging.log4j.core.Appender Appenders} instead.
    028     *
    029     * @since 2.1
    030     */
    031    public class CoreLogger extends ApiLogger {
    032
    033        private final org.apache.logging.log4j.core.Logger logger;
    034
    035        /**
    036         * Constructs a Logger using a Log4j {@link org.apache.logging.log4j.core.Logger}.
    037         *
    038         * @param logger the underlying Logger to base this Logger on
    039         */
    040        CoreLogger(final org.apache.logging.log4j.core.Logger logger) {
    041            super(logger);
    042            this.logger = logger;
    043        }
    044
    045        @Override
    046        public void setLevel(final Level level) throws SecurityException {
    047            logger.setLevel(LevelTranslator.toLevel(level));
    048            super.doSetLevel(level);
    049        }
    050
    051        /**
    052         * Marks the underlying {@link org.apache.logging.log4j.core.Logger} as additive.
    053         *
    054         * @param additive {@code true} if this Logger should be additive
    055         * @see org.apache.logging.log4j.core.Logger#setAdditive(boolean)
    056         */
    057        @Override
    058        public synchronized void setUseParentHandlers(final boolean additive) {
    059            logger.setAdditive(additive);
    060        }
    061
    062        /**
    063         * Indicates if the underlying {@link org.apache.logging.log4j.core.Logger} is additive. <strong>Note that the
    064         * Log4j version of JDK Loggers do <em>not</em> use Handlers.</strong>
    065         *
    066         * @return {@code true} if this Logger is additive, or {@code false} otherwise
    067         * @see org.apache.logging.log4j.core.Logger#isAdditive()
    068         */
    069        @Override
    070        public synchronized boolean getUseParentHandlers() {
    071            return logger.isAdditive();
    072        }
    073
    074        @Override
    075        public Logger getParent() {
    076            final org.apache.logging.log4j.core.Logger parent = logger.getParent();
    077            return parent == null ? null : Logger.getLogger(parent.getName());
    078        }
    079    }