/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v2.0 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.core;
  
  import java.io.File;
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  
  public class CoreConstants {
  
      final public static String DISABLE_SERVLET_CONTAINER_INITIALIZER_KEY = "logbackDisableServletContainerInitializer";
      final public static String STATUS_LISTENER_CLASS_KEY = "logback.statusListenerClass";
      final public static String SYSOUT = "SYSOUT";
  
      final public static String STDOUT = "STDOUT";
  
      final public static String FALSE_STR = "false";
      final public static String TRUE_STR = "true";
  
      /**
       * Number of idle threads to retain in a context's executor service.
       */
      public static final int CORE_POOL_SIZE = 4;
  
      // In Java 21 and later the actual threads are assumed to be virtual
      public static final int SCHEDULED_EXECUTOR_POOL_SIZE = 4;
  
      /**
       * Maximum number of threads to allow in a context's executor service.
       * @deprecated no longer used
       *
       */
      public static final int MAX_POOL_SIZE = 32;
  
      // Note that the line.separator property can be looked up even by
      // applets.
      public static final String LINE_SEPARATOR = System.getProperty("line.separator");
      public static final int LINE_SEPARATOR_LEN = LINE_SEPARATOR.length();
  
      public static final String CODES_URL = "https://logback.qos.ch/codes.html";
      public static final String MANUAL_URL_PREFIX = "https://logback.qos.ch/manual/";
      public static final String MORE_INFO_PREFIX = "For more information, please visit ";
  
      /**
       * The default context name.
       */
      public static final String DEFAULT_CONTEXT_NAME = "default";
  
      /**
       * Customized pattern conversion rules are stored under this key in the
       * {@link Context} object store.
       *
       * @since 1.5.14
       */
      public static final String PATTERN_RULE_REGISTRY_FOR_SUPPLIERS = "PATTERN_RULE_REGISTRY_FOR_SUPPLIERS";
  
      /**
       * Customized pattern conversion rules are stored under this key in the
       * {@link Context} object store.
       */
      public static final String PATTERN_RULE_REGISTRY = "PATTERN_RULE_REGISTRY";
  
  
  
      public static final String ISO8601_STR = "ISO8601";
      public static final String ISO8601_PATTERN = "yyyy-MM-dd HH:mm:ss,SSS";
  
      /**
       * Keyword for setting a strict ISO8601 pattern which includes 'T' between the date and the time
       *
       * @since 1.5.7
       */
      public static final String STRICT_STR = "STRICT";
      /**
       * Strict ISO8601 pattern which includes 'T' between the date and the time
       * @since 15.7
       */
      public static final String STRICT_ISO8601_PATTERN = "yyyy-MM-dd'T'HH:mm:ss,SSS";
  
  
      public static final String FILE_TIMESTAMP_PATTERN = "yyyy-MM-dd'T'HHmm";
      public static final String DAILY_DATE_PATTERN = "yyyy-MM-dd";
  
      /**
       * Time format used in Common Log Format
       */
      public static final String CLF_DATE_PATTERN = "dd/MMM/yyyy:HH:mm:ss Z";
  
     /**
      * The key used in locating the evaluator map in context's object map.
      */
     public static final String EVALUATOR_MAP = "EVALUATOR_MAP";
 
     /**
      * By convention, we assume that the static method named "valueOf" taking a
      * string argument can restore a given object from its string representation.
      */
     public static final String VALUE_OF = "valueOf";
 
     /**
      * An empty string.
      */
     public static final String EMPTY_STRING = "";
 
     /**
      * String value returned in case data is not available.
      *
      * For example, when caller information is not available this constant is used for file name,
      * method name, etc.
      */
     public static final String NA = "?";
 
     /**
      * An empty string array.
      */
     public static final String[] EMPTY_STRING_ARRAY = new String[] {};
 
     public static final Charset UTF_8_CHARSET = StandardCharsets.UTF_8;
 
     /**
      * An empty Class array.
      */
     public static final Class<?>[] EMPTY_CLASS_ARRAY = new Class[] {};
 
 
     public static final File[] EMPTY_FILE_ARRAY = new File[0];
 
     public static final String CAUSED_BY = "Caused by: ";
     public static final String SUPPRESSED = "Suppressed: ";
     public static final String WRAPPED_BY = "Wrapped by: ";
 
     public static final char PERCENT_CHAR = '%';
     public static final char LEFT_PARENTHESIS_CHAR = '(';
     public static final char RIGHT_PARENTHESIS_CHAR = ')';
 
     public static final char ESCAPE_CHAR = '\\';
     public static final char CURLY_LEFT = '{';
     public static final char CURLY_RIGHT = '}';
     public static final char COMMA_CHAR = ',';
     public static final char DOUBLE_QUOTE_CHAR = '"';
     public static final char SINGLE_QUOTE_CHAR = '\'';
     public static final char COLON_CHAR = ':';
     public static final char DASH_CHAR = '-';
     public static final char EQUALS_CHAR = '=';
 
     public static final String DEFAULT_VALUE_SEPARATOR = ":-";
 
     public static final String NULL_STR = "null";
     /**
      * Number of rows before in an HTML table before, we close the table and create
      * a new one
      */
     public static final int TABLE_ROW_LIMIT = 10000;
 
     // reset the ObjectOutputStream every OOS_RESET_FREQUENCY calls
     // this avoids serious memory leaks
     public static final int OOS_RESET_FREQUENCY = 70;
 
     // See https://jakarta.ee/specifications/platform/8/platform-spec-8.html#a616
     // there are the java:comp, java:module, java:app, java:global namespaces
     public static final String JNDI_JAVA_NAMESPACE = "java:";
 
     // the max number of times an error should be reported
     public static final int MAX_ERROR_COUNT = 4;
 
     public static final char DOT = '.';
     public static final char TAB = '\t';
     public static final char DOLLAR = '$';
 
     public static final String SEE_FNP_NOT_SET = "See also " + CODES_URL + "#tbr_fnp_not_set";
     public static final String SEE_MISSING_INTEGER_TOKEN = "See also " + CODES_URL + "#sat_missing_integer_token";
 
     public static final String CONFIGURATION_WATCH_LIST = "CONFIGURATION_WATCH_LIST";
     public static final String CONFIGURATION_WATCH_LIST_RESET_X = "CONFIGURATION_WATCH_LIST_RESET";
 
     public static final String SAFE_JORAN_CONFIGURATION = "SAFE_JORAN_CONFIGURATION";
     public static final String XML_PARSING = "XML_PARSING";
 
     // Context Object name for the shutdown hook
     public static final String SHUTDOWN_HOOK_THREAD = "SHUTDOWN_HOOK";
 
     /**
      * The key under which the local host name is registered in the logger context.
      */
     public static final String HOSTNAME_KEY = "HOSTNAME";
 
     public static final String UNKNOWN_LOCALHOST = "UNKNOWN_LOCALHOST";
 
     /**
      * The key under which the current context name is registered in the logger
      * context.
      */
     public static final String CONTEXT_NAME_KEY = "CONTEXT_NAME";
 
     public static final int BYTES_PER_INT = 4;
     public static final long MILLIS_IN_ONE_SECOND = 1000;
     public static final long MILLIS_IN_ONE_MINUTE = MILLIS_IN_ONE_SECOND * 60;
     public static final long MILLIS_IN_ONE_HOUR = MILLIS_IN_ONE_MINUTE * 60;
     public static final long MILLIS_IN_ONE_DAY = MILLIS_IN_ONE_HOUR * 24;
     public static final long MILLIS_IN_ONE_WEEK = MILLIS_IN_ONE_DAY * 7;
 
     /**
      * The number of seconds to wait for compression jobs to finish.
      */
     public static final int SECONDS_TO_WAIT_FOR_COMPRESSION_JOBS = 30;
 
     public static final String CONTEXT_SCOPE_VALUE = "context";
 
     public static final String RESET_MSG_PREFIX = "Will reset and reconfigure context ";
 
     public static final String JNDI_COMP_PREFIX = "java:comp/env";
 
     public static final String UNDEFINED_PROPERTY_SUFFIX = "_IS_UNDEFINED";
 
     public static final String LEFT_ACCOLADE = new String(new char[] { CURLY_LEFT });
     public static final String RIGHT_ACCOLADE = new String(new char[] { CURLY_RIGHT });
     public static final long UNBOUNDED_TOTAL_SIZE_CAP = 0;
 
     /**
      * If Rolling
      */
     public static final int UNBOUNDED_HISTORY = 0;
     
     /**
      * Replaced by {@link CoreConstants#UNBOUNDED_HISTORY} with the same identical value.
 
      * @deprecated
      * @see #UNBOUNDED_HISTORY
      */
     public static final int UNBOUND_HISTORY = UNBOUNDED_HISTORY;
     
     //public static final String RECONFIGURE_ON_CHANGE_TASK = "RECONFIGURE_ON_CHANGE_TASK";
     public static final String SIZE_AND_TIME_BASED_FNATP_IS_DEPRECATED = "Direct use of either SizeAndTimeBasedFNATP or SizeAndTimeBasedFileNamingAndTriggeringPolicy ";
     public static final String SIZE_AND_TIME_BASED_FNATP_IS_DEPRECATED_BIS = "is deprecated. Please use SizeAndTimeBasedRollingPolicy instead.";
 
     public static final char JSON_LINE_SEPARATOR = '\n';
     final public static String MODEL_CONFIG_FILE_EXTENSION = ".scmo";
     /**
      * since 1.5.8
      */
     final public static String PROPERTIES_FILE_EXTENSION = ".properties";
     public static final String LOGBACK_CORE_VERSION_MESSAGE = "This is logback-core version ";
 }