# ConversionStatus.java

    /*
     ** Module   : ConversionStatus.java
     ** Abstract : Conversion Status
     **
     ** Copyright (c) 2023, Golden Code Development Corporation.
     **
     ** -#- -I- --Date-- ----------------------------Description-----------------------------
     ** 001 GBB 20230327 Initial setup
     */
    /*
     ** 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.
     **
     **   1. No License To Use Trademarks.
     **
     **     This license does not grant any license or rights to use the trademarks
     **     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
     **     of Golden Code Development Corporation. You are not authorized to use the
     **     name Golden Code, FWD, or the names of any author or contributor, for
     **     publicity purposes without written authorization.
     **
     **   2. No Misrepresentation of Affiliation.
     **
     **     You may not represent yourself as Golden Code Development Corporation or FWD.
     **
     **     You may not represent yourself for publicity purposes as associated with
     **     Golden Code Development Corporation, FWD, or any author or contributor to
     **     the covered work, without written authorization.
     **
     **   3. No Misrepresentation of Source or Origin.
     **
     **     You may not represent the covered work as solely your work.  All modified
     **     versions of the covered work must be marked in a reasonable way to make it
     **     clear that the modified work is not originating from Golden Code Development
     **     Corporation or FWD.  All modified versions must contain the notices of
     **     attribution required in this license.
     */
    package com.goldencode.p2j.convert;

    import com.goldencode.p2j.cfg.*;
    import com.goldencode.p2j.util.logging.*;

    import java.util.logging.*;

    /**
     * Class providing logging in app runtime mode, debugging and IDE integration in conversion mode. Acts as a
     * simple wrapper for CentralLogger in runtime mode. In conversion mode makes requests to the status API to
     * persist conversion details and allow IDE integration.
     */
    public class ConversionStatus
    {
       /** Initialization-on-demand holder for ConversionStatus singleton instance. */
       private static class InstanceHolder
       {
          /** ConversionStatus instance. */
          private static final ConversionStatus INSTANCE = new ConversionStatus();
       }

       /** Instance of CentralLogger for the runtime ConversionStatus. */
       private CentralLogger runtimeLogger;

       /** Private constructor for ConversionStatus for conversion. */
       private ConversionStatus()
       {
       }

       /** Private constructor for ConversionStatus for runtime. */
       private ConversionStatus(Class<?> clazz)
       {
          if (clazz.getSimpleName().equals("ExpressionClassLoader"))
          {
             // TODO: check if ExpressionClassLoader poses the issue of recursion due to checking its parent
             //  levels like the other class loaders and find a permanent solution to the interface
             runtimeLogger = CentralLogger.get(clazz.getName(), false, false);
             return;
          }
          runtimeLogger = CentralLogger.get(clazz);
       }

       /** Static method for getting instance of ConversionStatus. */
       public static ConversionStatus get()
       {
          if (Configuration.isRuntimeConfig())
          {
             throw new IllegalArgumentException(
                "In runtime ConversionStatus get method requires a class argument.");
          }
          return InstanceHolder.INSTANCE;
       }

       /**
        * Static method for getting the instance of ConversionStatus corresponding to the app launch mode.
        *
        * @param    clazz
        *           The class to be used as logger name.
        *
        * @return   The instance of ConversionStatus corresponding to the app launch mode.
        */
       public static ConversionStatus get(Class<?> clazz)
       {
          return new ConversionStatus(clazz);
          // TODO: replace implementation when conversion mode is implemented
          /*if (Configuration.isRuntimeConfig())
          {
             return new ConversionStatus(clazz);
          }
          return InstanceHolder.INSTANCE;*/
       }

       /**
        * Method that forwards the call to CentralLogger in runtime mode.
        * Conversion mode: TBD.
        *
        * @param    level
        *           The log record level.
        * @param    msg
        *           The message to be logged.
        */
       public void log(Level level, String msg)
       {
          if (runtimeLogger != null)
          {
             runtimeLogger.log(level, msg);
             return;
          }
          // TBD: conversion mode
       }

       /**
        * Method that forwards the call to CentralLogger in runtime mode.
        * Conversion mode: TBD.
        *
        * @param    level
        *           The log record level.
        * @param    msg
        *           The message to be logged.
        * @param    t
        *           The throwable to be logged.
        */
       public void log(Level level, String msg, Throwable t)
       {
          if (runtimeLogger != null)
          {
             runtimeLogger.log(level, msg, t);
             return;
          }
          // TBD: conversion mode
       }
    }