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.log.render.markdown;
020
021import org.jpos.log.LogRenderer;
022
023import java.io.ByteArrayOutputStream;
024import java.io.PrintStream;
025
026/** Markdown renderer that emits a {@link Throwable}'s stack trace, indented for diagnostics. */
027public final class ThrowableMarkdownLogRenderer implements LogRenderer<Throwable> {
028    /** Default constructor; no instance state to initialise. */
029    public ThrowableMarkdownLogRenderer() {}
030    @Override
031    public void render(Throwable t, PrintStream ps, String indent) {
032        ps.println(stackTrace(indent+" ", t));
033    }
034    public Class<?> clazz() {
035        return Throwable.class;
036    }
037    public Type type() {
038        return Type.MARKDOWN;
039    }
040
041    private String stackTrace(String indent, Throwable t) {
042        ByteArrayOutputStream baos = new ByteArrayOutputStream();
043        PrintStream ps = new PrintStream(baos);
044        t.printStackTrace(ps);
045        return indent(indent, baos.toString());
046    }
047}