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 */
017package org.apache.logging.log4j.core.helpers;
018
019import org.apache.logging.log4j.util.PropertiesUtil;
020
021/**
022 * Log4j Constants.
023 */
024public final class Constants {
025
026    /**
027     * Name of the system property to use to identify the LogEvent factory.
028     */
029    public static final String LOG4J_LOG_EVENT_FACTORY = "Log4jLogEventFactory";
030
031    /**
032     * Name of the system property to use to identify the ContextSelector Class.
033     */
034    public static final String LOG4J_CONTEXT_SELECTOR = "Log4jContextSelector";
035
036    public static final String LOG4J_DEFAULT_STATUS_LEVEL = "Log4jDefaultStatusLevel";
037
038    /**
039     * JNDI context name string literal.
040     */
041    public static final String JNDI_CONTEXT_NAME = "java:comp/env/log4j/context-name";
042
043    /**
044     * Line separator.
045     */
046    public static final String LINE_SEP = PropertiesUtil.getProperties().getStringProperty("line.separator", "\n");
047
048    /**
049     * Number of milliseconds in a second.
050     */
051    public static final int MILLIS_IN_SECONDS = 1000;
052
053    /**
054     * Prevent class instantiation.
055     */
056    private Constants() {
057    }
058}