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@ -5,9 +5,9 @@
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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@ -21,21 +21,24 @@ package com.fr.third.apache.log4j;
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import com.fr.third.apache.log4j.helpers.LogLog; |
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import com.fr.third.apache.log4j.spi.LoggingEvent; |
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import java.io.IOException; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InterruptedIOException; |
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import java.text.SimpleDateFormat; |
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import java.util.Calendar; |
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import java.util.Date; |
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import java.util.GregorianCalendar; |
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import java.util.Calendar; |
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import java.util.TimeZone; |
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import java.util.Locale; |
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import java.util.TimeZone; |
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import java.util.zip.GZIPOutputStream; |
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/** |
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DailyRollingFileAppender extends {@link FileAppender} so that the |
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underlying file is rolled over at a user chosen frequency. |
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DailyRollingFileAppender has been observed to exhibit |
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DailyRollingFileAppender has been observed to exhibit |
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synchronization issues and data loss. The log4j extras |
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companion includes alternatives which should be considered |
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for new deployments and which are discussed in the documentation |
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@ -158,15 +161,17 @@ public class DailyRollingFileAppender extends FileAppender {
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*/ |
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private String datePattern = "'.'yyyy-MM-dd"; |
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private static final String COMPRESS_SUFFIX = ".gz"; |
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/** |
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The log file will be renamed to the value of the |
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scheduledFilename variable when the next interval is entered. For |
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example, if the rollover period is one hour, the log file will be |
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renamed to the value of "scheduledFilename" at the beginning of |
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the next hour. |
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the next hour. |
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The precise time when a rollover occurs depends on logging |
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activity. |
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activity. |
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*/ |
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private String scheduledFilename; |
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@ -227,7 +232,7 @@ public class DailyRollingFileAppender extends FileAppender {
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printPeriodicity(type); |
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rc.setType(type); |
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File file = new File(fileName); |
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scheduledFilename = fileName+sdf.format(new Date(file.lastModified())); |
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scheduledFilename = fileName+sdf.format(new Date(file.lastModified()))+COMPRESS_SUFFIX; |
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} else { |
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LogLog.error("Either File or DatePattern options are not set for appender [" |
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@ -307,7 +312,7 @@ public class DailyRollingFileAppender extends FileAppender {
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return; |
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} |
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String datedFilename = fileName+sdf.format(now); |
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String datedFilename = fileName+sdf.format(now)+COMPRESS_SUFFIX; |
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// It is too early to roll over because we are still within the
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// bounds of the current interval. Rollover will occur once the
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// next interval is reached.
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@ -315,7 +320,7 @@ public class DailyRollingFileAppender extends FileAppender {
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return; |
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} |
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// close current file, and rename it to datedFilename
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// close current file, and compress it to datedFilename
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this.closeFile(); |
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File target = new File(scheduledFilename); |
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@ -324,8 +329,36 @@ public class DailyRollingFileAppender extends FileAppender {
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} |
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File file = new File(fileName); |
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boolean result = file.renameTo(target); |
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boolean result = false; |
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FileInputStream fis = null; |
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FileOutputStream fos = null; |
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GZIPOutputStream gzos = null; |
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try { |
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fis = new FileInputStream(file); |
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fos = new FileOutputStream(target); |
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gzos = new GZIPOutputStream(fos); |
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byte[] inbuf = new byte[8102]; |
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int n; |
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while ((n = fis.read(inbuf)) != -1) { |
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gzos.write(inbuf, 0, n); |
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} |
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result = true; |
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} catch (Exception e){ |
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LogLog.error("Compress " + fileName + " to " + scheduledFilename + " failed."); |
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LogLog.error(e.getMessage(), e); |
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} finally { |
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if(gzos!=null) { |
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gzos.close(); |
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} |
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if (fis != null) { |
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fis.close(); |
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} |
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} |
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if(result) { |
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file.delete(); |
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LogLog.debug(fileName +" -> "+ scheduledFilename); |
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} else { |
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LogLog.error("Failed to rename ["+fileName+"] to ["+scheduledFilename+"]."); |
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@ -372,7 +405,7 @@ public class DailyRollingFileAppender extends FileAppender {
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/** |
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* RollingCalendar is a helper class to DailyRollingFileAppender. |
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* Given a periodicity type and the current time, it computes the |
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* start of the next interval. |
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* start of the next interval. |
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* */ |
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class RollingCalendar extends GregorianCalendar { |
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private static final long serialVersionUID = -3560331770601814177L; |
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@ -381,11 +414,11 @@ class RollingCalendar extends GregorianCalendar {
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RollingCalendar() { |
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super(); |
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} |
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} |
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RollingCalendar(TimeZone tz, Locale locale) { |
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super(tz, locale); |
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} |
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} |
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void setType(int type) { |
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this.type = type; |
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Hugh.C
5 years ago