| 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 LogListenerImpl implements LogListener { |
| 28 | |
| 29 | /** Stream for output. */ |
| 30 | private PrintStream out = System.out; |
| 31 | |
| 32 | /** For this module we logged the last event. */ |
| 33 | private String lastModuleUrl = ""; |
| 34 | |
| 35 | /** |
| 36 | * Constructor. |
| 37 | */ |
| 38 | public LogListenerImpl() { |
| 39 | this(System.out); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Constructor. |
| 44 | * |
| 45 | * @param stream Print to this stream. |
| 46 | */ |
| 47 | public LogListenerImpl(final PrintStream stream) { |
| 48 | this.out = stream; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Set output stream. |
| 53 | * |
| 54 | * @param stream Output stream. |
| 55 | */ |
| 56 | public final void setPrintStream(final PrintStream stream) { |
| 57 | this.out = stream; |
| 58 | } |
| 59 | |
| 60 | public final void logMessageState(final String text, final String url) { |
| 61 | if (!lastModuleUrl.equals(url)) { |
| 62 | out.println(url); |
| 63 | lastModuleUrl = (url != null ? url : ""); |
| 64 | } |
| 65 | out.println(DateUtility.getTimestamp() + " state: " + text); |
| 66 | } |
| 67 | |
| 68 | public final void logFailureState(final String text, final String url, |
| 69 | final String description) { |
| 70 | if (!lastModuleUrl.equals(url)) { |
| 71 | out.println(url); |
| 72 | lastModuleUrl = (url != null ? url : ""); |
| 73 | } |
| 74 | out.println(DateUtility.getTimestamp() + " failure: " + text + "\n\t" |
| 75 | + description); |
| 76 | } |
| 77 | |
| 78 | public final void logSuccessfulState(final String text, final String url) { |
| 79 | if (!lastModuleUrl.equals(url)) { |
| 80 | out.println(url); |
| 81 | lastModuleUrl = (url != null ? url : ""); |
| 82 | } |
| 83 | out.println(DateUtility.getTimestamp() + " success: " + text); |
| 84 | } |
| 85 | |
| 86 | public void logRequest(final String text, final String url) { |
| 87 | if (!lastModuleUrl.equals(url)) { |
| 88 | out.println(url); |
| 89 | lastModuleUrl = (url != null ? url : ""); |
| 90 | } |
| 91 | out.println(DateUtility.getTimestamp() + " request: " + text); |
| 92 | } |
| 93 | |
| 94 | public final void logMessage(final String text) { |
| 95 | lastModuleUrl = ""; |
| 96 | out.println(DateUtility.getTimestamp() + " " + text); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | public void logSuccessfulReply(final String text, final String url) { |
| 101 | if (!lastModuleUrl.equals(url)) { |
| 102 | out.println(url); |
| 103 | lastModuleUrl = (url != null ? url : ""); |
| 104 | } |
| 105 | out.println(DateUtility.getTimestamp() + " reply: " + text); |
| 106 | } |
| 107 | |
| 108 | public void logFailureReply(final String text, final String url, final String description) { |
| 109 | if (!lastModuleUrl.equals(url)) { |
| 110 | out.println(url); |
| 111 | lastModuleUrl = (url != null ? url : ""); |
| 112 | } |
| 113 | out.println(DateUtility.getTimestamp() + " reply: " + text + "\n\t" + description); |
| 114 | } |
| 115 | |
| 116 | } |