CentralLoggerSpawnerJvm.java

/*
** Module   : CentralLoggerSpawnerJVM.java
** Abstract : CentralLogger concrete version for spawner JVMs.
**
** Copyright (c) 2023-2024, Golden Code Development Corporation.
**
** -#- -I- --Date-- ----------------------------Description-----------------------------
** 001 GBB 20230207 Initial setup
** 002 GBB 20230619 Adding field level to each logger instance to boost isLoggable performance.
** 003 GBB 20240311 No need to add log level to the formatted log.
** 004 GBB 20240729 Method publish to accept ContextLogRecord.
*/
/*
 ** This program is free software: you can redistribute it and/or modify
 ** it under the terms of the GNU Affero General Public License as
 ** published by the Free Software Foundation, either version 3 of the
 ** License, or (at your option) any later version.
 **
 ** This program is distributed in the hope that it will be useful,
 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ** GNU Affero General Public License for more details.
 **
 ** You may find a copy of the GNU Affero GPL version 3 at the following
 ** location: https://www.gnu.org/licenses/agpl-3.0.en.html
 **
 ** Additional terms under GNU Affero GPL version 3 section 7:
 **
 **   Under Section 7 of the GNU Affero GPL version 3, the following additional
 **   terms apply to the works covered under the License.  These additional terms
 **   are non-permissive additional terms allowed under Section 7 of the GNU
 **   Affero GPL version 3 and may not be removed by you.
 **
 **   0. Attribution Requirement.
 **
 **     You must preserve all legal notices or author attributions in the covered
 **     work or Appropriate Legal Notices displayed by works containing the covered
 **     work.  You may not remove from the covered work any author or developer
 **     credit already included within the covered work.
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 **
 **     This license does not grant any license or rights to use the trademarks
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 */
package com.goldencode.p2j.util.logging;

import java.util.logging.*;

/**
 * A concrete version of CentralLogger for the {@link com.goldencode.p2j.main.NativeSecureConnection} JVM 
 * launched by the spawner process.
 */
class CentralLoggerSpawnerJvm
extends CentralLogger
{
   /** The formatter for logs. */
   private static final CentralLogFormatter LOG_FORMATTER = new CentralLogFormatter();

   /**
    * Package-private constructor for CentralLoggerServer.
    *
    * @param    loggerName
    *           The name of the logger.
    * @param    level
    *           The level of the logger.
    * @param    checkParentLevels
    *           Flag to prevent recursion for class loaders.
    * @param    excludeSMContext
    *           Flag to prevent deadlock on SecurityManager.
    */
   CentralLoggerSpawnerJvm(String loggerName, Level level, boolean checkParentLevels, boolean excludeSMContext)
   {
      super(loggerName, level, checkParentLevels, excludeSMContext);
   }

   /**
    * Publishes a log record by printing it to System.err. That stream goes through the spawn process and is 
    * ultimately handled on the server. On the server each line of log is parsed separately, while 
    * Throwables are printed on multiple lines. So here we add the log level to each line. It will get 
    * removed on the server.
    *
    * @param    logRecord
    *           A log record.
    */
   @Override
   protected void publish(ContextLogRecord logRecord)
   {
      System.err.print(LOG_FORMATTER.format(logRecord));
   }
   
}