1 | package org.expeditee.io;
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2 |
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3 | import java.io.BufferedWriter;
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4 | import java.io.File;
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5 | import java.io.FileWriter;
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6 | import java.io.IOException;
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7 | import java.sql.Time;
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8 | import java.text.SimpleDateFormat;
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9 | import java.util.Date;
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10 |
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11 | import org.expeditee.gui.TimeKeeper;
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12 |
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13 | /**
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14 | * This class is used to create all log files. The log file is opened, appended,
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15 | * and closed for each new entry to ensure robustness against program crashes.
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16 | * Files are created with filename: UserData.Date.Time<br>
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17 | * Where Date is in the format DDMMMYYYY and Time is in the format HHMM. <br>
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18 | * <br>
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19 | * Log files are stored in the following format: <br>
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20 | * <code>
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21 | * TIME: (Time since program start) <br>
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22 | * X,Y (For user events only) <br>
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23 | * Origin (System/User) <br>
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24 | * Description <br>
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25 | * </code> <br>
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26 | * Exceptions can also be logged, in which case the result from
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27 | * Exception.printStackTrace() is output to the file.
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28 | *
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29 | * @author jdm18
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30 | *
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31 | */
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32 | public class Logger {
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33 | public static final String SYSTEM = "S";
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34 |
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35 | public static final String USER = "U";
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36 |
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37 | public static final String LOAD = "Load";
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38 |
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39 | public static final String SAVE = "Save";
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40 |
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41 | public static final String PICKUP = "Pickup";
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42 |
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43 | public static final String ANCHOR = "Anchor";
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44 |
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45 | public static final String DELETE = "Delete";
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46 |
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47 | public static final String TDFC = "TDFC";
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48 |
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49 | public static final String NEW_FRAMESET = "New Frameset";
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50 |
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51 | public static final String PICKUP_COPY = "Pickup Copies";
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52 |
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53 | public static final String ANCHOR_COPY = "Anchor Copies";
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54 |
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55 | public static final String CONTROL_CHAR = "Control Character";
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56 |
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57 | public static final String CREATE_TEXT = "Creating Text";
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58 |
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59 | public static final String INSERTING_TEXT = "Inserting Text";
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60 |
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61 | public static final String BACK = "Back";
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62 |
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63 | public static final String FOLLOW_LINK = "Following Link";
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64 |
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65 | public static final String MERGING = "Merging";
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66 |
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67 | // These should be the same as used in KMSReader
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68 | private static String _filename = null;
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69 |
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70 | // how many spaces the output time should be padded to
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71 | private static int _padTime = 8;
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72 |
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73 | private static TimeKeeper _timer = new TimeKeeper();
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74 |
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75 | /**
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76 | * Sets the path on disk that the log files will be created in
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77 | *
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78 | * @param location
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79 | * The path on disk to create the log files in.
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80 | */
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81 | public static void Init() {
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82 | if (!org.expeditee.gui.UserSettings.Logging)
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83 | return;
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84 |
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85 | File test = new File(org.expeditee.gui.FrameIO.LOGS_DIR);
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86 | if (!test.exists())
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87 | test.mkdir();
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88 |
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89 | _filename = "UserData-" + EasyDateFormat("ddMMMyy-HHmm") + ".txt";
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90 | }
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91 |
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92 | /**
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93 | * Appends the given event to the log file.
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94 | *
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95 | * @param origin
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96 | * The origin of this event, typically SYSTEM
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97 | * @param type
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98 | * The Type of this event (LOAD, SAVE, CLICK, etc)
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99 | * @param comments
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100 | * Any further comments that should be recorded about the event
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101 | */
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102 | public static void Log(String origin, String type, String comments) {
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103 | String toWrite = "TIME:\t" + _timer.getElapsedStringMillis(_padTime)
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104 | + " \t\t\t\t" + " - " + origin + " - " + type + " - "
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105 | + comments;
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106 | WriteToFile(toWrite);
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107 | }
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108 |
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109 | /**
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110 | * Appends the given event to the log file.
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111 | *
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112 | * @param x
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113 | * The mouse X coordinate when the event occured
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114 | * @param y
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115 | * The mouse Y coordinate when the event occured
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116 | * @param origin
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117 | * The origin of the event, typically USER
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118 | * @param type
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119 | * The type of this event (LOAD, SAVE, CLICK, etc).
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120 | * @param comments
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121 | * Any further comments that should be recorded about the event
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122 | */
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123 | public static void Log(int x, int y, String origin, String type,
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124 | String comments) {
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125 | String toWrite = "TIME:\t" + _timer.getElapsedStringMillis(_padTime)
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126 | + " \t X:" + x + " Y:" + y + " - " + origin + " - " + type
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127 | + " - " + comments;
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128 | WriteToFile(toWrite);
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129 | }
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130 |
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131 | /**
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132 | * Appends a record of the Exception to the log file. The text output is
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133 | * equal to that output by e.printStackTrace()
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134 | *
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135 | * @param e
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136 | * The Exception to log.
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137 | */
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138 | public static void Log(Exception e) {
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139 | String toWrite = "TIME:" + _timer.getElapsedStringMillis(_padTime)
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140 | + "\tException Thrown: " + e.getClass().getSimpleName();
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141 |
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142 | WriteToFile(toWrite);
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143 |
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144 | StackTraceElement[] st = e.getStackTrace();
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145 |
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146 | for (StackTraceElement element : st)
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147 | WriteToFile(element.toString());
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148 |
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149 | }
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150 |
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151 | public static String EasyDateFormat(String format, Date date) {
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152 | return (new SimpleDateFormat(format)).format(date);
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153 | }
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154 |
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155 | public static String EasyTimeFormat(Time time) {
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156 | return (new SimpleDateFormat("KK:mm:ss")).format(time);
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157 | }
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158 |
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159 | public static String EasyDateFormat(String format) {
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160 | return EasyDateFormat(format, new Date());
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161 | }
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162 |
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163 | private static void WriteToFile(String toWrite) {
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164 | if (!org.expeditee.gui.UserSettings.Logging)
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165 | return;
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166 |
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167 | // if Init has not been run yet
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168 | if (_filename == null)
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169 | Init();
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170 |
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171 | try {
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172 | BufferedWriter writer = new BufferedWriter(new FileWriter(
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173 | org.expeditee.gui.FrameIO.LOGS_DIR + _filename, true));
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174 | writer.write(toWrite);
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175 | writer.newLine();
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176 |
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177 | writer.flush();
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178 | writer.close();
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179 | } catch (IOException ioe) {
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180 | ioe.printStackTrace();
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181 | }
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182 |
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183 | }
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184 |
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185 | }
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