log4j配置指定类输出到指定的日志文件

时间:2024-04-08 11:10:29

log4j.properties 配置

#/app/weblogs/xxgx/xxgx.log
log.path=/app/weblogs/xxgx

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %p --- %C{1}.%M(%L) | %m%n

### direct messages to file xxgx.log ###
log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.File=${log.path}/xxgx.log
#log4j.appender.file.File=D:\\logs\\xxgx.log
log4j.appender.file.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %p *-* %C{1}.%M(%L) | %m%n


########################################################
 #      begin
########################################################
log4j.appender.mzdsr=shgjj.xxgx.util.MyDailyRollingFileAppender
log4j.appender.mzdsr.File=${log.path}/Mzdsr.log
log4j.appender.mzdsr.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.mzdsr.layout=org.apache.log4j.PatternLayout
log4j.appender.mzdsr.MaxFileSize=20MB 
log4j.appender.mzdsr.MaxBackupIndex=-1 
log4j.appender.mzdsr.layout.ConversionPattern=%d{ABSOLUTE} %p *-* %C{1}.%M(%L) | %m%n
########################################################
 #    end
########################################################
#--------------------------------------------------------------------------------------------------
########################################################
 #    begin
########################################################
log4j.appender.mzhy=shgjj.xxgx.util.MyDailyRollingFileAppender
log4j.appender.mzhy.File=${log.path}/mzhy.log
log4j.appender.mzhy.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.mzhy.layout=org.apache.log4j.PatternLayout
log4j.appender.mzhy.MaxFileSize=20MB 
log4j.appender.mzhy.MaxBackupIndex=-1 
log4j.appender.mzhy.layout.ConversionPattern=%d{ABSOLUTE} %p *-* %C{1}.%M(%L) | %m%n
########################################################
 #     end
########################################################

log4j.appender.interfacelog=shgjj.yyzc.util.MyDailyRollingFileAppender
log4j.appender.interfacelog.File=${log.path}/interface/xxgx_log_interface.log
log4j.appender.interfacelog.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.interfacelog.layout=org.apache.log4j.PatternLayout
log4j.appender.interfacelog.MaxFileSize=20MB 
log4j.appender.interfacelog.MaxBackupIndex=-1 
log4j.appender.interfacelog.layout.ConversionPattern=%d{ABSOLUTE} %p *-* %C{1}.%M(%L) | %m%n
 
log4j.appender.kafkalog=shgjj.yyzc.util.MyDailyRollingFileAppender
log4j.appender.kafkalog.File=${log.path}/kafka/xxgx_log_kafka.log
#log4j.appender.kafkalog.File=D:\\logs\\xxgx_log_kafka.log
log4j.appender.kafkalog.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.kafkalog.layout=org.apache.log4j.PatternLayout
log4j.appender.kafkalog.MaxFileSize=20MB 
log4j.appender.kafkalog.MaxBackupIndex=-1 
log4j.appender.kafkalog.layout.ConversionPattern=%d{ABSOLUTE} %p *-* %C{1}.%M(%L) | %m%n

##cxf日志
org.apache.cxf.interceptor.LoggingInInterceptor.level=info,file
org.apache.cxf.interceptor.LoggingOutInterceptor.level=info,file

### /WEB-INF set log levels - for more verbose logging change 'info' to 'debug' ###
#log4j.rootLogger=info,stdout,file
log4j.rootLogger=info,file,stdout
log4j.logger.logger_interface =info,interfacelog
log4j.logger.logger_kafka =info,kafkalog
log4j.logger.logger_mzdsr =info,mzdsr
log4j.logger.logger_mzhy =info,mzhy

# 开源库的日志输出控制
# logger for spring   
log4j.logger.org.springframework=warn  
  
org.apache.commons.httpclient=warn  
 
org.apache.http=warn  

log4j.logger.org.hibernate=warn  
 

DailyRollingFileAppender类

log4j配置指定类输出到指定的日志文件
自定义该类需要集成FileAppender 类

log4j配置指定类输出到指定的日志文件

MyDailyRollingFileAppender类示例:

自定义该类最多也就是更改一些配置参数而已。
在配置文件中制定该类的全路径 比如:log4j.appender.mzdsr=shgjj.xxgx.util.MyDailyRollingFileAppender

package shgjj.xxgx.util;

import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;

import org.apache.log4j.FileAppender;
import org.apache.log4j.Layout;
import org.apache.log4j.helpers.CountingQuietWriter;
import org.apache.log4j.helpers.LogLog;
import org.apache.log4j.helpers.OptionConverter;
import org.apache.log4j.spi.LoggingEvent;

public class MyDailyRollingFileAppender extends FileAppender {

	// The code assumes that the following constants are in a increasing
	// sequence.
	static final int TOP_OF_TROUBLE = -1;
	static final int TOP_OF_MINUTE = 0;
	static final int TOP_OF_HOUR = 1;
	static final int HALF_DAY = 2;
	static final int TOP_OF_DAY = 3;
	static final int TOP_OF_WEEK = 4;
	static final int TOP_OF_MONTH = 5;

	/**
	 * The default maximum file size is 10MB.
	 */
	protected long maxFileSize = 10 * 1024 * 1024;

	/**
	 * There is one backup file by default.
	 */
	protected int maxBackupIndex = 1;

	/**
	 * The date pattern. By default, the pattern is set to "'.'yyyy-MM-dd" meaning
	 * daily rollover.
	 */
	private String datePattern = "'.'yyyy-MM-dd";

	/**
	 * The log file will be renamed to the value of the scheduledFilename variable
	 * when the next interval is entered. For example, if the rollover period is one
	 * hour, the log file will be renamed to the value of "scheduledFilename" at the
	 * beginning of the next hour.
	 * 
	 * The precise time when a rollover occurs depends on logging activity.
	 */
	private String scheduledFilename;

	/**
	 * The next time we estimate a rollover should occur.
	 */
	private long nextCheck = System.currentTimeMillis() - 1;

	Date now = new Date();

	SimpleDateFormat sdf;

	RollingCalendar rc = new RollingCalendar();

	int checkPeriod = TOP_OF_TROUBLE;

	// The gmtTimeZone is used only in computeCheckPeriod() method.
	static final TimeZone gmtTimeZone = TimeZone.getTimeZone("GMT");

	/**
	 * The default constructor does nothing.
	 */
	public MyDailyRollingFileAppender() {
	}

	/**
	 * Instantiate a <code>MyDailyRollingFileAppender</code> and open the file
	 * designated by <code>filename</code>. The opened filename will become the
	 * ouput destination for this appender.
	 */
	public MyDailyRollingFileAppender(Layout layout, String filename, String datePattern) throws IOException {
		super(layout, filename, true);
		this.datePattern = datePattern;
		activateOptions();
	}

	/**
	 * Get the maximum size that the output file is allowed to reach before being
	 * rolled over to backup files.
	 * 
	 * @since 1.1
	 */
	public long getMaximumFileSize() {
		return maxFileSize;
	}

	/**
	 * Set the maximum size that the output file is allowed to reach before being
	 * rolled over to backup files.
	 * 
	 * <p>
	 * This method is equivalent to {@link #setMaxFileSize} except that it is
	 * required for differentiating the setter taking a <code>long</code> argument
	 * from the setter taking a <code>String</code> argument by the JavaBeans
	 * {@link java.beans.Introspector Introspector}.
	 * 
	 * @see #setMaxFileSize(String)
	 */
	public void setMaximumFileSize(long maxFileSize) {
		this.maxFileSize = maxFileSize;
	}

	/**
	 * Set the maximum size that the output file is allowed to reach before being
	 * rolled over to backup files.
	 * 
	 * <p>
	 * In configuration files, the <b>MaxFileSize</b> option takes an long integer
	 * in the range 0 - 2^63. You can specify the value with the suffixes "KB", "MB"
	 * or "GB" so that the integer is interpreted being expressed respectively in
	 * kilobytes, megabytes or gigabytes. For example, the value "10KB" will be
	 * interpreted as 10240.
	 */
	public void setMaxFileSize(String value) {
		maxFileSize = OptionConverter.toFileSize(value, maxFileSize + 1);
	}

	/**
	 * Returns the value of the <b>MaxBackupIndex</b> option.
	 */
	public int getMaxBackupIndex() {
		return maxBackupIndex;
	}

	/**
	 * Set the maximum number of backup files to keep around.
	 * 
	 * <p>
	 * The <b>MaxBackupIndex</b> option determines how many backup files are kept
	 * before the oldest is erased. This option takes a positive integer value. If
	 * set to zero, then there will be no backup files and the log file will be
	 * truncated when it reaches <code>MaxFileSize</code>.
	 */
	public void setMaxBackupIndex(int maxBackups) {
		this.maxBackupIndex = maxBackups;
	}

	/**
	 * The <b>DatePattern</b> takes a string in the same format as expected by
	 * {@link SimpleDateFormat}. This options determines the rollover schedule.
	 */
	public void setDatePattern(String pattern) {
		datePattern = pattern;
	}

	/** Returns the value of the <b>DatePattern</b> option. */
	public String getDatePattern() {
		return datePattern;
	}

	public void activateOptions() {
		super.activateOptions();
		if (datePattern != null && fileName != null) {
			now.setTime(System.currentTimeMillis());
			sdf = new SimpleDateFormat(datePattern);
			int type = computeCheckPeriod();
			printPeriodicity(type);
			rc.setType(type);
			File file = new File(fileName);
			scheduledFilename = fileName + sdf.format(new Date(file.lastModified()));

		} else {
			LogLog.error("Either File or DatePattern options are not set for appender [" + name + "].");
		}
	}

	void printPeriodicity(int type) {
		switch (type) {
		case TOP_OF_MINUTE:
			LogLog.debug("Appender [" + name + "] to be rolled every minute.");
			break;
		case TOP_OF_HOUR:
			LogLog.debug("Appender [" + name + "] to be rolled on top of every hour.");
			break;
		case HALF_DAY:
			LogLog.debug("Appender [" + name + "] to be rolled at midday and midnight.");
			break;
		case TOP_OF_DAY:
			LogLog.debug("Appender [" + name + "] to be rolled at midnight.");
			break;
		case TOP_OF_WEEK:
			LogLog.debug("Appender [" + name + "] to be rolled at start of week.");
			break;
		case TOP_OF_MONTH:
			LogLog.debug("Appender [" + name + "] to be rolled at start of every month.");
			break;
		default:
			LogLog.warn("Unknown periodicity for appender [" + name + "].");
		}
	}

	// This method computes the roll over period by looping over the
	// periods, starting with the shortest, and stopping when the r0 is
	// different from from r1, where r0 is the epoch formatted according
	// the datePattern (supplied by the user) and r1 is the
	// epoch+nextMillis(i) formatted according to datePattern. All date
	// formatting is done in GMT and not local format because the test
	// logic is based on comparisons relative to 1970-01-01 00:00:00
	// GMT (the epoch).

	int computeCheckPeriod() {
		RollingCalendar rollingCalendar = new RollingCalendar(gmtTimeZone, Locale.ENGLISH);
		// set sate to 1970-01-01 00:00:00 GMT
		Date epoch = new Date(0);
		if (datePattern != null) {
			for (int i = TOP_OF_MINUTE; i <= TOP_OF_MONTH; i++) {
				SimpleDateFormat simpleDateFormat = new SimpleDateFormat(datePattern);
				simpleDateFormat.setTimeZone(gmtTimeZone); // do all date
															// formatting in GMT
				String r0 = simpleDateFormat.format(epoch);
				rollingCalendar.setType(i);
				Date next = new Date(rollingCalendar.getNextCheckMillis(epoch));
				String r1 = simpleDateFormat.format(next);
				// System.out.println("Type = "+i+", r0 = "+r0+", r1 = "+r1);
				if (r0 != null && r1 != null && !r0.equals(r1)) {
					return i;
				}
			}
		}
		return TOP_OF_TROUBLE; // Deliberately head for trouble...
	}

	/**
	 * Implements the usual roll over behaviour.
	 * 
	 * <p>
	 * If <code>MaxBackupIndex</code> is positive, then files { <code>File.1</code>,
	 * ..., <code>File.MaxBackupIndex -1</code> are renamed to {<code>File.2</code>,
	 * ..., <code>File.MaxBackupIndex</code> . Moreover, <code>File</code> is
	 * renamed <code>File.1</code> and closed. A new <code>File</code> is created to
	 * receive further log output.
	 * 
	 * <p>
	 * If <code>MaxBackupIndex</code> is equal to zero, then the <code>File</code>
	 * is truncated with no backup files created.
	 */
	public// synchronization not necessary since doAppend is alreasy synched
	void sizeRollOver() {
		File target;
		File file;

		LogLog.debug("rolling over count=" + ((CountingQuietWriter) qw).getCount());
		LogLog.debug("maxBackupIndex=" + maxBackupIndex);

		String datedFilename = fileName + sdf.format(now);

		if (maxBackupIndex > 0) {
			// Delete the oldest file, to keep Windows happy.
			file = new File(datedFilename + '.' + maxBackupIndex);
			if (file.exists())
				file.delete();

			// Map {(maxBackupIndex - 1), ..., 2, 1} to {maxBackupIndex, ..., 3,
			// 2}
			for (int i = maxBackupIndex - 1; i >= 1; i--) {
				file = new File(datedFilename + "." + i);
				if (file.exists()) {
					target = new File(datedFilename + '.' + (i + 1));
					LogLog.debug("Renaming file " + file + " to " + target);
					file.renameTo(target);
				}
			}

			// Rename fileName to datedFilename.1
			target = new File(datedFilename + "." + 1);

			this.closeFile(); // keep windows happy.

			file = new File(fileName);
			LogLog.debug("Renaming file " + file + " to " + target);
			file.renameTo(target);
		} else if (maxBackupIndex < 0) {// infinite number of files
			// find the max backup index
			for (int i = 1; i < Integer.MAX_VALUE; i++) {
				target = new File(datedFilename + "." + i);
				if (!target.exists()) {// Rename fileName to datedFilename.i
					this.closeFile();
					file = new File(fileName);
					file.renameTo(target);
					LogLog.debug("Renaming file " + file + " to " + target);
					break;
				}
			}
		}

		try {
			// This will also close the file. This is OK since multiple
			// close operations are safe.
			this.setFile(fileName, false, bufferedIO, bufferSize);
		} catch (IOException e) {
			LogLog.error("setFile(" + fileName + ", false) call failed.", e);
		}
		scheduledFilename = datedFilename;
	}

	public synchronized void setFile(String fileName, boolean append, boolean bufferedIO, int bufferSize) throws IOException {
		super.setFile(fileName, append, this.bufferedIO, this.bufferSize);
		if (append) {
			File f = new File(fileName);
			((CountingQuietWriter) qw).setCount(f.length());
		}
	}

	protected void setQWForFiles(Writer writer) {
		this.qw = new CountingQuietWriter(writer, errorHandler);
	}

	/**
	 * Rollover the current file to a new file.
	 */
	void timeRollOver() throws IOException {

		/* Compute filename, but only if datePattern is specified */
		if (datePattern == null) {
			errorHandler.error("Missing DatePattern option in rollOver().");
			return;
		}

		String datedFilename = fileName + sdf.format(now);
		// It is too early to roll over because we are still within the
		// bounds of the current interval. Rollover will occur once the
		// next interval is reached.
		if (scheduledFilename.equals(datedFilename)) {
			return;
		}

		// close current file, and rename it to datedFilename
		this.closeFile();

		File target = new File(scheduledFilename);
		if (target.exists()) {
			target.delete();
		}

		File file = new File(fileName);
		boolean result = file.renameTo(target);
		if (result) {
			LogLog.debug(fileName + " -> " + scheduledFilename);
		} else {
			LogLog.error("Failed to rename [" + fileName + "] to [" + scheduledFilename + "].");
		}

		try {
			// This will also close the file. This is OK since multiple
			// close operations are safe.
			super.setFile(fileName, false, this.bufferedIO, this.bufferSize);
		} catch (IOException e) {
			errorHandler.error("setFile(" + fileName + ", false) call failed.");
		}
		scheduledFilename = datedFilename;
	}

	/**
	 * This method differentiates MyDailyRollingFileAppender from its super class.
	 * 
	 * <p>
	 * Before actually logging, this method will check whether it is time to do a
	 * rollover. If it is, it will schedule the next rollover time and then
	 * rollover.
	 */
	protected void subAppend(LoggingEvent event) {
		long n = System.currentTimeMillis();

		if (n >= nextCheck) {
			now.setTime(n);
			nextCheck = rc.getNextCheckMillis(now);
			try {
				timeRollOver();
			} catch (IOException ioe) {
				LogLog.error("rollOver() failed.", ioe);
			}
		} else if ((fileName != null) && ((CountingQuietWriter) qw).getCount() >= maxFileSize) {
			sizeRollOver();
		}
		super.subAppend(event);

	}
}

/**
 * RollingCalendar is a helper class to MyDailyRollingFileAppender. Given a
 * periodicity type and the current time, it computes the start of the next
 * interval.
 */
class RollingCalendar extends GregorianCalendar {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	int type = MyDailyRollingFileAppender.TOP_OF_TROUBLE;

	RollingCalendar() {
		super();
	}

	RollingCalendar(TimeZone tz, Locale locale) {
		super(tz, locale);
	}

	void setType(int type) {
		this.type = type;
	}

	public long getNextCheckMillis(Date now) {
		return getNextCheckDate(now).getTime();
	}

	public Date getNextCheckDate(Date now) {
		this.setTime(now);

		switch (type) {
		case MyDailyRollingFileAppender.TOP_OF_MINUTE:
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			this.add(Calendar.MINUTE, 1);
			break;
		case MyDailyRollingFileAppender.TOP_OF_HOUR:
			this.set(Calendar.MINUTE, 0);
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			this.add(Calendar.HOUR_OF_DAY, 1);
			break;
		case MyDailyRollingFileAppender.HALF_DAY:
			this.set(Calendar.MINUTE, 0);
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			int hour = get(Calendar.HOUR_OF_DAY);
			if (hour < 12) {
				this.set(Calendar.HOUR_OF_DAY, 12);
			} else {
				this.set(Calendar.HOUR_OF_DAY, 0);
				this.add(Calendar.DAY_OF_MONTH, 1);
			}
			break;
		case MyDailyRollingFileAppender.TOP_OF_DAY:
			this.set(Calendar.HOUR_OF_DAY, 0);
			this.set(Calendar.MINUTE, 0);
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			this.add(Calendar.DATE, 1);
			break;
		case MyDailyRollingFileAppender.TOP_OF_WEEK:
			this.set(Calendar.DAY_OF_WEEK, getFirstDayOfWeek());
			this.set(Calendar.HOUR_OF_DAY, 0);
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			this.add(Calendar.WEEK_OF_YEAR, 1);
			break;
		case MyDailyRollingFileAppender.TOP_OF_MONTH:
			this.set(Calendar.DATE, 1);
			this.set(Calendar.HOUR_OF_DAY, 0);
			this.set(Calendar.SECOND, 0);
			this.set(Calendar.MILLISECOND, 0);
			this.add(Calendar.MONTH, 1);
			break;
		default:
			throw new IllegalStateException("Unknown periodicity type.");
		}
		return getTime();
	}
}

在实际业务类中使用日志示例

log4j配置指定类输出到指定的日志文件
这个logger_mzdsr 对应log4j.properties 的配置如下
log4j配置指定类输出到指定的日志文件
log4j配置指定类输出到指定的日志文件