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 org.jpos.iso.ISODate;
022import org.jpos.log.LogRenderer;
023import org.jpos.log.LogRendererRegistry;
024
025import java.io.PrintStream;
026import java.time.Duration;
027import java.time.Instant;
028import java.time.LocalDateTime;
029import java.time.ZoneId;
030
031public class MarkdownLogWriter implements LogEventWriter {
032    private PrintStream ps;
033    private final LogRenderer<LogEvent> renderer = LogRendererRegistry.getRenderer(LogEvent.class, LogRenderer.Type.MARKDOWN);
034    private Instant start;
035
036    @Override
037    public void write(LogEvent ev) {
038        renderer.render(ev, ps, "");
039    }
040
041    @Override
042    public void setPrintStream(PrintStream ps) {
043        this.ps = ps;
044        start = Instant.now();
045        ps.printf ("# Log Start %s (%d)%n", LocalDateTime.ofInstant(start, ZoneId.systemDefault()), ps.hashCode());
046    }
047
048    @Override
049    public void close() {
050        Instant now = Instant.now();
051        ps.printf ("# Log End %s (%s)%n",
052            LocalDateTime.ofInstant(now, ZoneId.systemDefault()),
053            ISODate.formatDuration(Duration.between(start,now))
054        );
055        if (ps != System.out && ps != System.err) {
056            ps.close();
057        }
058    }
059}