REPORT-27582 设计器-日志没有生成压缩文件

fine-log4j/src/com/fr/third/apache/log4j/DailyRollingFileAppender.java

@@ -21,15 +21,18 @@ package com.fr.third.apache.log4j;
 
 import com.fr.third.apache.log4j.helpers.LogLog;
 import com.fr.third.apache.log4j.spi.LoggingEvent;
-import java.io.IOException;
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.text.SimpleDateFormat;
+import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
-import java.util.Calendar;
-import java.util.TimeZone;
 import java.util.Locale;
+import java.util.TimeZone;
+import java.util.zip.GZIPOutputStream;
 
 /**
    DailyRollingFileAppender extends {@link FileAppender} so that the
@@ -158,6 +161,8 @@ public class DailyRollingFileAppender extends FileAppender {
    */
   private String datePattern = "'.'yyyy-MM-dd";
 
+  private static final String COMPRESS_SUFFIX = ".gz";
+
   /**
      The log file will be renamed to the value of the
      scheduledFilename variable when the next interval is entered. For
@@ -227,7 +232,7 @@ public class DailyRollingFileAppender extends FileAppender {
       printPeriodicity(type);
       rc.setType(type);
       File file = new File(fileName);
-      scheduledFilename = fileName+sdf.format(new Date(file.lastModified()));
+      scheduledFilename = fileName+sdf.format(new Date(file.lastModified()))+COMPRESS_SUFFIX;
 
     } else {
       LogLog.error("Either File or DatePattern options are not set for appender ["
@@ -307,7 +312,7 @@ public class DailyRollingFileAppender extends FileAppender {
       return;
     }
 
-    String datedFilename = fileName+sdf.format(now);
+    String datedFilename = fileName+sdf.format(now)+COMPRESS_SUFFIX;
     // 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.
@@ -315,7 +320,7 @@ public class DailyRollingFileAppender extends FileAppender {
       return;
     }
 
-    // close current file, and rename it to datedFilename
+    // close current file, and compress it to datedFilename
     this.closeFile();
 
     File target  = new File(scheduledFilename);
@@ -324,8 +329,36 @@ public class DailyRollingFileAppender extends FileAppender {
     }
 
     File file = new File(fileName);
-    boolean result = file.renameTo(target);
+    boolean result = false;
+
+    FileInputStream fis = null;
+    FileOutputStream fos = null;
+    GZIPOutputStream gzos = null;
+    try {
+        fis = new FileInputStream(file);
+        fos = new FileOutputStream(target);
+        gzos = new GZIPOutputStream(fos);
+        byte[] inbuf = new byte[8102];
+        int n;
+
+        while ((n = fis.read(inbuf)) != -1) {
+            gzos.write(inbuf, 0, n);
+        }
+        result = true;
+    } catch (Exception e){
+        LogLog.error("Compress " + fileName + " to " + scheduledFilename + " failed.");
+        LogLog.error(e.getMessage(), e);
+    } finally {
+        if(gzos!=null) {
+            gzos.close();
+        }
+        if (fis != null) {
+            fis.close();
+        }
+    }
+
     if(result) {
+        file.delete();
       LogLog.debug(fileName +" -> "+ scheduledFilename);
     } else {
       LogLog.error("Failed to rename ["+fileName+"] to ["+scheduledFilename+"].");