001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.util;
020
021import java.io.PrintStream;
022import java.io.Serializable;
023
024/** An immutable, serializable snapshot of a {@link LogEvent}. */
025public class FrozenLogEvent extends LogEvent implements Serializable {
026    /** The pre-rendered string representation of this frozen event. */
027    private String frozen;
028
029    /**
030     * Creates a FrozenLogEvent from a pre-rendered string.
031     * @param frozen the pre-rendered log event string
032     */
033    public FrozenLogEvent(String frozen) {
034        this.frozen = frozen;
035    }
036    /**
037     * Creates a FrozenLogEvent by capturing the current dump of the given LogEvent.
038     * @param evt the LogEvent to freeze
039     */
040    public FrozenLogEvent (LogEvent evt) {
041        super(evt.getSource(), evt.getTag(), evt.getRealm());
042        frozen = evt.toString();
043    }
044    @Override
045    public void dump (PrintStream ps, String indent) {
046        ps.print (frozen);
047    }
048
049    @Override
050    public String toString () {
051        return frozen;
052    }
053
054    private static final long serialVersionUID = -8672445411081885024L;
055}