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1 package nabble.utils;
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2
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3 import java.io.IOException;
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4
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5 import fschmidt.util.log4j.MultiAppender;
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6 import org.apache.log4j.Appender;
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7 import org.apache.log4j.LogManager;
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8 import org.apache.log4j.Logger;
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9 import org.apache.log4j.PatternLayout;
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10 import org.apache.log4j.ConsoleAppender;
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11 import org.apache.log4j.FileAppender;
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12 import org.apache.log4j.Level;
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13 import org.apache.log4j.RollingFileAppender;
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14
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15
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16 public final class Log4j {
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17
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18 private static final PatternLayout LAYOUT = new PatternLayout("%d | %-5p | %c - %m%n");
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19
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20 public static void initForConsole() {
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21 Logger.getRootLogger().setLevel(Level.INFO);
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22 PatternLayout layout = new PatternLayout("%d{HH:mm:ss} %-5p %c - %m%n");
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23 ConsoleAppender appender = new ConsoleAppender(layout,"System.err");
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24 Logger.getRootLogger().addAppender(appender);
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25 }
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26
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27 public static void initForFile(Level level, String fileName)
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28 throws IOException
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29 {
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30 Logger.getRootLogger().setLevel(level);
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31 PatternLayout layout = new PatternLayout("%d | %-5p | %c - %m%n");
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32 FileAppender appender = new FileAppender(layout,fileName);
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33 Logger.getRootLogger().addAppender(appender);
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34 }
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35
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36 public static void initBasicFiles(String infoFile, String warnFile, String errorFile, String maxFileSize)
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37 throws IOException
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38 {
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39 LogManager.getLoggerRepository().setThreshold(Level.INFO);
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40
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41 RollingFileAppender infoAppender = new RollingFileAppender(LAYOUT, infoFile);
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42 infoAppender.setMaxFileSize(maxFileSize);
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43 infoAppender.setThreshold(Level.INFO);
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44
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45 RollingFileAppender warnAppender = new RollingFileAppender(LAYOUT, warnFile);
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46 warnAppender.setMaxFileSize(maxFileSize);
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47 warnAppender.setThreshold(Level.WARN);
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48
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49 RollingFileAppender errorAppender = new RollingFileAppender(LAYOUT, errorFile);
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50 errorAppender.setMaxFileSize(maxFileSize);
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51 errorAppender.setThreshold(Level.ERROR);
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52
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53 MultiAppender appender = new MultiAppender(new Appender[] { infoAppender, warnAppender, errorAppender });
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54 Logger.getRootLogger().addAppender(appender);
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55 }
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56
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57 public static void initForClass(String className, String fileName, String maxFileSize)
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58 throws IOException
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59 {
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60 Logger logger = Logger.getLogger(className);
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61 RollingFileAppender appender = new RollingFileAppender(LAYOUT, fileName);
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62 appender.setMaxFileSize(maxFileSize);
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63 logger.addAppender(appender);
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64 }
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65
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66 private Log4j() {} // never
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67 }
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