1 /* This file is part of the project "Hilbert II" - http://www.qedeq.org" target="alexandria_uri">http://www.qedeq.org
2 *
3 * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>.
4 *
5 * "Hilbert II" is free software; you can redistribute
6 * it and/or modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 package org.qedeq.kernel.bo.log;
17
18 import java.io.PrintStream;
19
20 import org.qedeq.base.utility.DateUtility;
21
22 /**
23 * Listener that writes events to a stream.
24 *
25 * @author Michael Meyling
26 */
27 public final class ModuleLogListenerImpl implements ModuleLogListener {
28
29 /** Stream for output. */
30 private PrintStream out = System.out;
31
32 /** For this module we are logging. */
33 private final String moduleUrl;
34
35 /**
36 * Constructor.
37 *
38 * @param moduleUrl We log for this module.
39 */
40 public ModuleLogListenerImpl(final String moduleUrl) {
41 this(moduleUrl, System.out);
42 }
43
44 /**
45 * Constructor.
46 *
47 * @param moduleUrl We log for this module.
48 * @param stream Print to this stream.
49 */
50 public ModuleLogListenerImpl(final String moduleUrl, final PrintStream stream) {
51 this.moduleUrl = moduleUrl;
52 this.out = stream;
53 }
54
55 /**
56 * Set output stream.
57 *
58 * @param stream Output stream.
59 */
60 public final void setPrintStream(final PrintStream stream) {
61 this.out = stream;
62 }
63
64 public final void logMessageState(final String text) {
65 out.println(moduleUrl);
66 out.println(DateUtility.getTimestamp() + " state: " + text);
67 }
68
69 }