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 */
014
015package ch.qos.logback.core.status;
016
017import java.io.FileNotFoundException;
018import java.io.FileOutputStream;
019import java.io.PrintStream;
020
021public class OnFileStatusListener extends OnPrintStreamStatusListenerBase {
022
023    String filename;
024    PrintStream ps;
025
026    @Override
027    public void start() {
028        if (filename == null) {
029            addInfo("File option not set. Defaulting to \"status.txt\"");
030            filename = "status.txt";
031        }
032
033        try {
034            FileOutputStream fos = new FileOutputStream(filename, true);
035            ps = new PrintStream(fos, true);
036        } catch (FileNotFoundException e) {
037            addError("Failed to open [" + filename + "]", e);
038            return;
039        }
040
041        super.start();
042
043    }
044
045    @Override
046    public void stop() {
047        if (!isStarted) {
048            return;
049        }
050        if (ps != null)
051            ps.close();
052        super.stop();
053    }
054
055    public String getFilename() {
056        return filename;
057    }
058
059    public void setFilename(String filename) {
060        this.filename = filename;
061    }
062
063    @Override
064    protected PrintStream getPrintStream() {
065        return ps;
066    }
067
068}