Java Code Examples for ch.qos.logback.core.rolling.RollingFileAppender#setPrudent()

/**
 * 初始化日志
 */
private Logger initLog(Integer id) {
    // 实例化log，每个实例存放地方不一致
    ch.qos.logback.classic.Logger logger = ((ch.qos.logback.classic.Logger)
            LoggerFactory.getLogger(this.secretary.strategyName + "-" + id));

    LoggerContext context = logger.getLoggerContext();

    TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<>();
    policy.setFileNamePattern(OptionHelper.substVars(
            "logs/past/" + id + "/%d{yyyy-MM-dd}.log.gz", context));
    policy.setMaxHistory(31);
    policy.setContext(context);

    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    encoder.setContext(context);
    encoder.setPattern("%d{yyyy-MM-dd HH:mm:ss.SSS} %5level - [%thread] %logger : %msg%n");

    RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
    appender.setContext(context);
    appender.setName(this.secretary.strategyName + "-" + id);
    appender.setFile(OptionHelper.substVars("logs/" + id + "/log.log", context));
    appender.setAppend(true);
    // 同一文件多输入完整检查
    appender.setPrudent(false);
    appender.setRollingPolicy(policy);
    appender.setEncoder(encoder);
    policy.setParent(appender);

    policy.start();
    encoder.start();
    appender.start();

    logger.setLevel(Level.INFO);
    // 终端输出
    logger.setAdditive(true);
    logger.addAppender(appender);

    return logger;
}
 

/**
 * Create the basic thrift appender which logs to a file
 * and rolls the file when it exceeds a certain size.
 *
 * @param basePath base directory the files are under.
 * @param topic the topic name for the current appender.
 * @param rotateThresholdKBytes threshold in kilobytes to rotate after.
 * @param context the logback context.
 */
public static Appender<LogMessage> createFileRollingThriftAppender(
    File basePath,
    String topic,
    long rotateThresholdKBytes,
    Context context,
    int maxRetentionHours) {
  RollingFileAppender<LogMessage> appender = new RollingFileAppender<LogMessage>();
  appender.setContext(context);
  appender.setAppend(true);
  appender.setPrudent(false);

  LogMessageEncoder encoder = new LogMessageEncoder();
  appender.setEncoder(encoder);
  appender.setFile(basePath + PATH_SEP + topic);

  TimeBasedRollingPolicy policy = new TimeBasedRollingPolicy();
  policy.setMaxHistory(maxRetentionHours);
  policy.setFileNamePattern(basePath + PATH_SEP + topic + ".%d{yyyy-MM-dd-HH}.%i");
  policy.setCleanHistoryOnStart(false);
  policy.setContext(context);
  policy.setParent(appender);

  // Also impose a max size per file policy.
  SizeAndTimeBasedFNATP fnatp = new SizeAndTimeBasedFNATP();
  fnatp.setContext(context);
  fnatp.setTimeBasedRollingPolicy(policy);
  fnatp.setMaxFileSize(FileSize.valueOf(String.format("%sKB", rotateThresholdKBytes)));

  policy.setTimeBasedFileNamingAndTriggeringPolicy(fnatp);
  appender.setRollingPolicy(policy);
  appender.setTriggeringPolicy(policy);

  policy.start();
  appender.start();

  return appender;
}
 

/**
 * 通过传入的名字和级别，动态设置appender
 *
 * @param fileName
 * @return
 */
@SuppressWarnings("unchecked")
public static RollingFileAppender getAppender(String fileName, Level level){
    String rootPath = PROJECT_PATH;
    if(!rootPath.endsWith(File.separator)){
        rootPath += File.separator;
    }
    if(fileName.startsWith(File.separator)){
        fileName = fileName.substring(1);
    }
    LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
    RollingFileAppender appender = new RollingFileAppender();
    /*设置上下文，每个logger都关联到logger上下文，默认上下文名称为default。
    但可以使用<contextName>设置成其他名字，用于区分不同应用程序的记录。一旦设置，不能修改。*/
    appender.setContext(context);

    //这里设置级别过滤器
    LogFilter levelController = new LogFilter();
    ThresholdFilter levelFilter = levelController.getThresholdFilter(level);
    levelFilter.start();
    appender.addFilter(levelFilter);

    //设置文件名
    appender.setFile(OptionHelper.substVars(rootPath+fileName + ".log",context));
    appender.setAppend(true);
    appender.setPrudent(false);
    //设置文件创建时间及大小的类
    SizeAndTimeBasedRollingPolicy policy = new SizeAndTimeBasedRollingPolicy();
    //文件名格式
    String fp = OptionHelper.substVars(rootPath+ fileName + ".%d{yyyy-MM-dd}.%i.zip",context);
    //最大日志文件大小
    policy.setMaxFileSize(FileSize.valueOf("100MB"));
    //设置文件名模式
    policy.setFileNamePattern(fp);
    //设置保存最近3天的日志
    policy.setMaxHistory(3);
    //总大小限制
    policy.setContext(context);
    policy.setTotalSizeCap(FileSize.valueOf("1GB"));
    //设置父节点是appender
    policy.setParent(appender);
    //设置上下文，每个logger都关联到logger上下文，默认上下文名称为default。
    //但可以使用<contextName>设置成其他名字，用于区分不同应用程序的记录。一旦设置，不能修改。
    policy.start();
    PatternLayoutEncoder encoder = new PatternLayoutEncoder();
    //设置上下文，每个logger都关联到logger上下文，默认上下文名称为default。
    //但可以使用<contextName>设置成其他名字，用于区分不同应用程序的记录。一旦设置，不能修改。
    encoder.setContext(context);
    //设置格式
    /*encoder.setPattern("%d{yyyy-MM-dd HH:mm:ss.SSS} %5p [%t] %replace(%caller{1}){'\\t|Caller.{1}0|\\r\\n', ''} - %msg%n");*/
    encoder.setPattern("%d %p [%t] - %msg%n");
    encoder.start();
    //加入下面两个节点
    appender.setRollingPolicy(policy);
    appender.setEncoder(encoder);
    appender.start();
    return appender;
}
 

public RollingFileAppender getAppender(String name, Level level, String fileName) {
    DateFormat format = DateFormat.getDateInstance(DateFormat.MEDIUM, Locale.SIMPLIFIED_CHINESE);
    LoggerContext context = (LoggerContext)LoggerFactory.getILoggerFactory();

    RollingFileAppender appender = new RollingFileAppender();

    LevelFilter levelFilter = getLevelFilter(level);
    levelFilter.start();
    appender.addFilter(levelFilter);

    appender.setContext(context);

    appender.setName(name);

    appender.setFile(OptionHelper.substVars("/opt/app/logs/" + fileName + ".json", context));

    appender.setAppend(true);

    appender.setPrudent(false);

    SizeAndTimeBasedRollingPolicy policy = new SizeAndTimeBasedRollingPolicy();

    String fp = OptionHelper.substVars(
        "/opt/app/logs/histroy" + fileName + format.format(new Date()) + "/.%d{yyyy-MM-dd}.%i.json", context);

    policy.setMaxFileSize(FileSize.valueOf("128MB"));

    policy.setFileNamePattern(fp);

    policy.setMaxHistory(7);

    policy.setTotalSizeCap(FileSize.valueOf("32GB"));

    policy.setParent(appender);

    policy.setContext(context);
    policy.start();

    PatternLayoutEncoder encoder = new PatternLayoutEncoder();

    encoder.setContext(context);

    encoder.setPattern("%d %p (%file:%line\\)- %m%n");
    encoder.start();

    appender.setRollingPolicy(policy);
    appender.setEncoder(encoder);
    appender.start();
    return appender;
}