以编程方式配置Log4j2以在大小超过1MB时替换每个日志文件

Question

你好我有log4j2的问题。我想以编程方式配置它，如本文所述：使用ConfigurationFactory以编程方式配置log4j2我的问题是日志文件的大小。如果日志文件大小超过1 MB，我希望系统启动新的日志文件。这是我的代码我在main中调用静态configure（）方法。它正在工作，但sizeBased策略不起作用。日志文件增长和增长。我不想使用任何xml。

import java.io.Serializable;
import java.net.URI;
import java.util.concurrent.TimeUnit;
import java.util.zip.Deflater;

import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.Layout;
import org.apache.logging.log4j.core.appender.RollingFileAppender;
import org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy;
import org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy;
import org.apache.logging.log4j.core.appender.rolling.SizeBasedTriggeringPolicy;
import org.apache.logging.log4j.core.appender.rolling.TimeBasedTriggeringPolicy;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.ConfigurationFactory;
import org.apache.logging.log4j.core.config.ConfigurationSource;
import org.apache.logging.log4j.core.config.DefaultConfiguration;
import org.apache.logging.log4j.core.config.Order;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.layout.PatternLayout;

public class LoggingConfiguration {

    public static final String PATTERN_LAYOUT = "[%d] [%t] [%-5level] - %msg (%logger{1}:%L) %n%throwable";
    public static final String LOG_FILE_NAME = "gvg.log";
    public static final String LOG_FILE_NAME_PATTERN = LOG_FILE_NAME + "-%d{dd-MM-yyy}";

    static {
        ConfigurationFactory.setConfigurationFactory(new Log4j2ConfigurationFactory());
    }

    public static void configure() {
    }

    @Plugin(category = "ConfigurationFactory", name = "Log4j2ConfigurationFactory")
    @Order(0)
    public static class Log4j2ConfigurationFactory extends ConfigurationFactory {

        @Override
        protected String[] getSupportedTypes() {
          return null;
        }

        @Override
        public Configuration getConfiguration(ConfigurationSource source) {
          return new Log4j2Configuration();
        }

        @Override
        public Configuration getConfiguration(String name, URI configLocation) {
          return new Log4j2Configuration();
        }

    }

    private static class Log4j2Configuration extends DefaultConfiguration {

        private static final String PATH_LOGFILE = "c:\\temp\\";

        public Log4j2Configuration() {
            setName("gvg-log");
            String root = PATH_LOGFILE;
            Layout<? extends Serializable> layout = PatternLayout.createLayout(PATTERN_LAYOUT, null, null, null, false, false, null, null);

            String oneDay = TimeUnit.DAYS.toMillis(1) + "";
            String oneMB = (1024 * 1024) + "";
            final TimeBasedTriggeringPolicy timeBasedTriggeringPolicy = TimeBasedTriggeringPolicy.createPolicy(oneDay, "true");
            final SizeBasedTriggeringPolicy sizeBasedTriggeringPolicy = SizeBasedTriggeringPolicy.createPolicy(oneMB);
            final CompositeTriggeringPolicy policy = CompositeTriggeringPolicy.createPolicy(timeBasedTriggeringPolicy, sizeBasedTriggeringPolicy);
            final DefaultRolloverStrategy strategy = DefaultRolloverStrategy.createStrategy("7", "1", null, Deflater.DEFAULT_COMPRESSION + "", this);
            Appender appender = RollingFileAppender.createAppender(root + LOG_FILE_NAME, LOG_FILE_NAME_PATTERN, "true", "gvg-log-file-appender", null, null, null, policy, strategy, layout, null,
            null, null, null, null);
            addAppender(appender);
            getRootLogger().addAppender(appender, Level.ALL, null);
        }
    }

}