nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/LogConfigurator.java

   1 package org.asamk.signal;
   2
   3 import java.io.File;
   4
   5 import ch.qos.logback.classic.Level;
   6 import ch.qos.logback.classic.Logger;
   7 import ch.qos.logback.classic.LoggerContext;
   8 import ch.qos.logback.classic.PatternLayout;
   9 import ch.qos.logback.classic.spi.Configurator;
  10 import ch.qos.logback.classic.spi.ILoggingEvent;
  11 import ch.qos.logback.core.ConsoleAppender;
  12 import ch.qos.logback.core.FileAppender;
  13 import ch.qos.logback.core.Layout;
  14 import ch.qos.logback.core.encoder.LayoutWrappingEncoder;
  15 import ch.qos.logback.core.filter.Filter;
  16 import ch.qos.logback.core.spi.ContextAwareBase;
  17 import ch.qos.logback.core.spi.FilterReply;
  18
  19 public class LogConfigurator extends ContextAwareBase implements Configurator {
  20
  21     private static int verboseLevel = 0;
  22     private static File logFile = null;
  23
  24     public static void setVerboseLevel(int verboseLevel) {
  25         LogConfigurator.verboseLevel = verboseLevel;
  26     }
  27
  28     public static void setLogFile(File logFile) {
  29         LogConfigurator.logFile = logFile;
  30     }
  31
  32     public void configure(LoggerContext lc) {
  33         final var rootLogger = lc.getLogger(Logger.ROOT_LOGGER_NAME);
  34
  35         final var defaultLevel = verboseLevel > 1 ? Level.ALL : verboseLevel > 0 ? Level.DEBUG : Level.INFO;
  36         rootLogger.setLevel(defaultLevel);
  37
  38         final var consoleLayout = verboseLevel == 0 || logFile != null
  39                 ? createSimpleLoggingLayout(lc)
  40                 : createDetailedLoggingLayout(lc);
  41         final var consoleAppender = createLoggingConsoleAppender(lc, createLayoutWrappingEncoder(consoleLayout));
  42         rootLogger.addAppender(consoleAppender);
  43
  44         lc.getLogger("com.zaxxer.hikari")
  45                 .setLevel(verboseLevel > 1 ? Level.ALL : verboseLevel > 0 ? Level.INFO : Level.WARN);
  46
  47         if (logFile != null) {
  48             consoleAppender.addFilter(new Filter<>() {
  49                 @Override
  50                 public FilterReply decide(final ILoggingEvent event) {
  51                     return event.getLevel().isGreaterOrEqual(Level.INFO)
  52                             && !"LibSignal".equals(event.getLoggerName())
  53                             && (
  54                             event.getLevel().isGreaterOrEqual(Level.WARN) || !event.getLoggerName()
  55                                     .startsWith("com.zaxxer.hikari")
  56                     )
  57
  58                             ? FilterReply.NEUTRAL : FilterReply.DENY;
  59                 }
  60             });
  61
  62             final var fileLayout = createDetailedLoggingLayout(lc);
  63             final var fileAppender = createLoggingFileAppender(lc, createLayoutWrappingEncoder(fileLayout));
  64             rootLogger.addAppender(fileAppender);
  65         }
  66     }
  67
  68     private ConsoleAppender<ILoggingEvent> createLoggingConsoleAppender(
  69             final LoggerContext lc, final LayoutWrappingEncoder<ILoggingEvent> layoutEncoder
  70     ) {
  71         return new ConsoleAppender<>() {{
  72             setContext(lc);
  73             setName("console");
  74             setTarget("System.err");
  75             setEncoder(layoutEncoder);
  76             start();
  77         }};
  78     }
  79
  80     private FileAppender<ILoggingEvent> createLoggingFileAppender(
  81             final LoggerContext lc, final LayoutWrappingEncoder<ILoggingEvent> layoutEncoder
  82     ) {
  83         return new FileAppender<>() {{
  84             setContext(lc);
  85             setName("file");
  86             setFile(logFile.getAbsolutePath());
  87             setEncoder(layoutEncoder);
  88             start();
  89         }};
  90     }
  91
  92     private LayoutWrappingEncoder<ILoggingEvent> createLayoutWrappingEncoder(final Layout<ILoggingEvent> l) {
  93         return new LayoutWrappingEncoder<>() {{
  94             setContext(l.getContext());
  95             setLayout(l);
  96         }};
  97     }
  98
  99     private PatternLayout createSimpleLoggingLayout(final LoggerContext lc) {
 100         return new PatternLayout() {{
 101             setPattern("%-5level %logger{0} - %msg%n");
 102             setContext(lc);
 103             start();
 104         }};
 105     }
 106
 107     private PatternLayout createDetailedLoggingLayout(final LoggerContext lc) {
 108         return new PatternLayout() {{
 109             setPattern("%d{yyyy-MM-dd'T'HH:mm:ss.SSSXX} [%thread] %-5level %logger{36} - %msg%n");
 110             setContext(lc);
 111             start();
 112         }};
 113     }
 114 }