1 | /* |
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2 | * Jeti, a Java Jabber client, Copyright (C) 2001 E.S. de Boer |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | * |
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18 | * For questions, comments etc, |
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19 | * use the website at http://jeti.jabberstudio.org |
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20 | * or mail me at eric@jeti.tk |
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21 | */ |
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22 | |
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23 | package nu.fw.jeti.util; |
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24 | import java.io.*; |
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25 | import java.text.DateFormat; |
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26 | import java.util.Date; |
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27 | import java.util.Iterator; |
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28 | import java.util.LinkedList; |
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29 | import java.util.List; |
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30 | |
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31 | import nu.fw.jeti.events.JavaErrorListener; |
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32 | import nu.fw.jeti.jabber.Backend; |
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33 | import nu.fw.jeti.jabber.elements.Packet; |
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34 | |
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35 | /** |
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36 | * @author E.S. de Boer |
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37 | */ |
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38 | |
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39 | public class Log |
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40 | { |
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41 | private static Date date = new Date(); |
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42 | private static DateFormat dateFormat = DateFormat.getTimeInstance(); |
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43 | private static LinkedList xml = new LinkedList(); |
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44 | private static LinkedList xmlErrors = new LinkedList(); |
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45 | private static volatile LinkedList errors = new LinkedList(); |
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46 | private static Backend backend; |
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47 | private static PrintStream diskLog = null; |
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48 | |
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49 | public Log(Backend backend) |
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50 | { |
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51 | Log.backend= backend; |
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52 | //pipe err stream to log screen |
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53 | |
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54 | catchExceptions(); |
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55 | if (Preferences.getBoolean("jeti","debugToFile",false)) { |
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56 | String name = Preferences.getString("jeti","debugFile", "out.log"); |
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57 | try { |
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58 | diskLog = new PrintStream(new FileOutputStream(name, true)); |
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59 | } catch (IOException e) { |
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60 | System.err.println("Failed to open debug log '" + name + "': " + e); |
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61 | } |
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62 | } |
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63 | } |
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64 | |
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65 | private void catchExceptions() |
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66 | { |
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67 | try |
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68 | { |
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69 | Thread t = new Thread() |
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70 | { |
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71 | PipedInputStream piNormal = new PipedInputStream(); |
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72 | PipedOutputStream poNormal = new PipedOutputStream(piNormal); |
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73 | public void run() |
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74 | { |
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75 | try { |
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76 | System.setErr(new PrintStream(poNormal, true)); |
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77 | } catch (Exception e) {System.out.println("Error logging setup failed");} |
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78 | try |
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79 | { |
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80 | BufferedReader bin = new BufferedReader(new InputStreamReader(piNormal)); |
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81 | String output = null; |
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82 | while ((output = bin.readLine()) != null) |
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83 | { |
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84 | System.out.println(output); |
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85 | synchronized(errors) |
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86 | { |
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87 | errors.add(gettime() + " " + output); |
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88 | } |
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89 | // //do only once? ipv every line |
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90 | try |
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91 | {//try catch because exceptions thrown here cause deadlock |
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92 | for(Iterator j = backend.getListeners(JavaErrorListener.class);j.hasNext();) |
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93 | {//show error in ui |
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94 | ((JavaErrorListener)j.next()).error(); |
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95 | } |
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96 | } |
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97 | catch(Exception e) |
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98 | { |
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99 | System.out.println(e.getMessage()); |
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100 | } |
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101 | } |
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102 | bin.close(); |
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103 | piNormal.close(); |
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104 | } |
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105 | catch (IOException ioe) |
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106 | { |
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107 | //write end dead then set system err again |
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108 | try |
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109 | { |
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110 | piNormal.close(); |
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111 | poNormal.close(); |
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112 | } |
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113 | catch (IOException e) |
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114 | { |
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115 | System.out.println("foutje"); |
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116 | } |
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117 | catchExceptions(); |
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118 | } |
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119 | } |
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120 | }; |
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121 | t.setDaemon(true); |
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122 | t.start(); |
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123 | }catch (IOException i){System.out.println("foutje");} |
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124 | } |
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125 | |
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126 | private static String gettime() |
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127 | { |
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128 | date.setTime(System.currentTimeMillis()); |
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129 | return dateFormat.format(date); |
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130 | } |
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131 | |
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132 | private static void loggedAdd(LinkedList list, String line) { |
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133 | list.add(line); |
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134 | if (diskLog != null) { |
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135 | diskLog.println(line); |
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136 | } |
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137 | } |
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138 | |
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139 | public static void clear() |
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140 | { |
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141 | synchronized(xml) |
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142 | { |
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143 | xml.clear(); |
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144 | } |
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145 | } |
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146 | |
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147 | //***********xml log*******************\\ |
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148 | public static void xmlPacket(Packet packet) |
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149 | { |
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150 | synchronized(xml) |
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151 | { |
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152 | loggedAdd(xml, gettime() + " - p: " + packet); |
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153 | } |
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154 | } |
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155 | |
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156 | public static void completeXML(StringBuffer message) |
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157 | { |
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158 | synchronized(xml) |
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159 | { |
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160 | loggedAdd(xml, gettime() + " - c: " + message); |
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161 | } |
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162 | } |
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163 | |
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164 | public static void sendXML(String message) |
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165 | { |
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166 | synchronized(xml) |
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167 | { |
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168 | loggedAdd(xml, gettime() + " + : " + message); |
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169 | } |
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170 | } |
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171 | |
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172 | public static List getXML() |
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173 | { |
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174 | synchronized(xml) |
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175 | { |
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176 | return (List) xml.clone(); |
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177 | } |
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178 | } |
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179 | |
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180 | //*********xml errors***********\\ |
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181 | public static void notParsedXML(String message) |
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182 | { |
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183 | synchronized(xmlErrors) |
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184 | { |
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185 | xmlErrors.add(gettime() + " not parsed: " + message); |
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186 | } |
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187 | } |
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188 | |
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189 | public static void xmlParseException(Exception e) |
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190 | { |
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191 | synchronized(xmlErrors) |
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192 | { |
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193 | xmlErrors.add(gettime() + " " + e.getMessage()); |
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194 | } |
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195 | } |
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196 | |
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197 | public static void xmlReceivedError(String message) |
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198 | { |
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199 | synchronized(xmlErrors) |
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200 | { |
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201 | xmlErrors.add(gettime() + " " + message); |
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202 | } |
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203 | } |
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204 | |
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205 | public static List getXMLErrors() |
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206 | { |
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207 | synchronized(xmlErrors) |
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208 | { |
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209 | return (List) xmlErrors.clone(); |
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210 | } |
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211 | } |
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212 | |
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213 | //***********errors***************\\ |
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214 | public static void notSend(String message) |
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215 | { |
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216 | synchronized(errors) |
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217 | { |
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218 | errors.add(gettime() + " not Send " + message); |
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219 | } |
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220 | } |
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221 | |
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222 | public static void error(String message) |
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223 | { |
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224 | synchronized(errors) |
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225 | { |
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226 | errors.add(gettime() + " error " + message); |
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227 | } |
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228 | } |
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229 | |
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230 | public static List getErrors() |
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231 | { |
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232 | synchronized(errors) |
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233 | { |
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234 | return (List) errors.clone(); |
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235 | } |
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236 | } |
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237 | } |
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238 | /* |
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239 | * Overrides for emacs |
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240 | * Local variables: |
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241 | * tab-width: 4 |
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242 | * End: |
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243 | */ |
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