001/*
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v2.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.classic.net;
015
016import java.io.Serializable;
017
018import ch.qos.logback.classic.spi.ILoggingEvent;
019import ch.qos.logback.classic.spi.LoggingEvent;
020import ch.qos.logback.classic.spi.LoggingEventVO;
021import ch.qos.logback.core.spi.PreSerializationTransformer;
022
023public class LoggingEventPreSerializationTransformer implements PreSerializationTransformer<ILoggingEvent> {
024
025    public Serializable transform(ILoggingEvent event) {
026        if (event == null) {
027            return null;
028        }
029        // Note that preprocessing is presumed to be already done
030        if (event instanceof LoggingEvent) {
031            return LoggingEventVO.build(event);
032        } else if (event instanceof LoggingEventVO) {
033            return (LoggingEventVO) event;
034        } else {
035            throw new IllegalArgumentException("Unsupported type " + event.getClass().getName());
036        }
037    }
038
039}