| 1 | /* This file is part of the project "Hilbert II" - 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 | } |