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.util; 018 019import java.nio.charset.Charset; 020import java.nio.charset.StandardCharsets; 021 022import org.apache.logging.log4j.util.PropertiesUtil; 023 024/** 025 * Log4j Constants. 026 */ 027public final class Constants { 028 029 /** 030 * Name of the system property to use to identify the LogEvent factory. 031 */ 032 public static final String LOG4J_LOG_EVENT_FACTORY = "Log4jLogEventFactory"; 033 034 /** 035 * Name of the system property to use to identify the ContextSelector Class. 036 */ 037 public static final String LOG4J_CONTEXT_SELECTOR = "Log4jContextSelector"; 038 039 public static final String LOG4J_DEFAULT_STATUS_LEVEL = "Log4jDefaultStatusLevel"; 040 041 /** 042 * JNDI context name string literal. 043 */ 044 public static final String JNDI_CONTEXT_NAME = "java:comp/env/log4j/context-name"; 045 046 /** 047 * Line separator. 048 */ 049 public static final String LINE_SEPARATOR = PropertiesUtil.getProperties().getStringProperty("line.separator", "\n"); 050 051 /** 052 * Number of milliseconds in a second. 053 */ 054 public static final int MILLIS_IN_SECONDS = 1000; 055 056 /** 057 * Equivalent to StandardCharsets.UTF_8. 058 * 059 * @deprecated Use {@link StandardCharsets#UTF_8}. Will be removed in 2.5. 060 */ 061 @Deprecated 062 public static final Charset UTF_8 = StandardCharsets.UTF_8; 063 064 /** 065 * Prevent class instantiation. 066 */ 067 private Constants() { 068 } 069}