PC Online 1999 November/PCONLINE_11_99.ISO/filesbbs/OS2/APCHSSL2.ZIP/OS2HTTPD/jserv/com/bitmechanic/gsp/Logger.class

Java Class File | 1999-02-03 | 5.4 KB | 221 lines

package com.bitmechanic.gsp;

import com.bitmechanic.smtp.MailMessage;
import com.bitmechanic.smtp.Mailer;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;
import java.util.StringTokenizer;
import javax.servlet.ServletContext;

public class Logger {
   protected final int MAX_EXCEPTIONS = 100;
   protected ServletContext context;
   protected Mailer mailer;
   protected long nextNotification;
   protected String filename;
   protected String from;
   protected String subject;
   // $FF: renamed from: to java.lang.String[]
   protected String[] field_0;
   protected int frequency;
   protected int exceptionsSinceNotified;
   protected int count;

   public void init(GspServlet var1) throws Exception {
      this.context = var1.getServletContext();
      this.mailer = var1.getMailer();
      this.count = 0;
      this.filename = var1.getProperty("logger.filename");
      FileWriter var2 = new FileWriter(this.filename);
      ((OutputStreamWriter)var2).close();
      this.frequency = 0;

      try {
         this.frequency = Integer.parseInt(var1.getProperty("logger.mail.frequency"));
      } catch (Exception var6) {
      }

      if (this.frequency > 0) {
         String var3 = var1.getProperty("logger.mail.to");
         StringTokenizer var4 = new StringTokenizer(var3, " ");
         if (var4.countTokens() < 1) {
            this.field_0 = new String[1];
            this.field_0[0] = var3;
         } else {
            this.field_0 = new String[var4.countTokens()];

            for(int var5 = 0; var4.hasMoreTokens(); ++var5) {
               this.field_0[var5] = var4.nextToken();
            }
         }

         this.from = var1.getProperty("logger.mail.from");
         if (this.from == null) {
            this.from = "[e-mail]";
         }

         this.subject = var1.getProperty("logger.mail.subject");
         if (this.subject == null) {
            this.subject = "GSP Exception Alert!";
         }
      }

      this.nextNotification = 0L;
      this.exceptionsSinceNotified = 0;
   }

   public void destroy() {
      try {
         FileWriter var1 = new FileWriter(this.filename);
         ((OutputStreamWriter)var1).close();
      } catch (IOException var2) {
         ((Throwable)var2).printStackTrace();
      }
   }

   public void log(Throwable var1, GspRequest var2) {
      this.log(var1, var2.getRelativePath());
   }

   public void log(Throwable var1) {
      this.log(var1, "??");
   }

   public void log(int var1, String var2) {
      this.log(var2);
   }

   public void log(String var1) {
      this.context.log(var1);
   }

   public void log(Throwable var1, String var2) {
      String var3 = exceptionToString(var1);
      this.context.log(var3);
      Date var4 = new Date();
      String var5 = var1.getMessage();
      if (var5 != null && !var5.equals("")) {
         var5.replace('\r', ' ');
         var5.replace('\n', ' ');
      } else {
         var5 = "No Message";
      }

      try {
         synchronized(this){}

         try {
            PrintWriter var8 = new PrintWriter(new FileWriter(this.filename, true));
            var8.println(var4);
            var8.println(var2);
            var8.println(var5);
            var8.println(var3);
            var8.println(".");
            var8.close();
         } catch (Throwable var11) {
            throw var11;
         }

         ++this.count;
         ++this.exceptionsSinceNotified;
      } catch (IOException var12) {
         this.context.log(exceptionToString(var12));
      }
   }

   public long getExceptionCount() {
      return (long)this.count;
   }

   public void flushExceptions(long var1) throws IOException {
      if (this.exceptionsSinceNotified > 0 && this.frequency > 0 && this.nextNotification < var1) {
         this.sendMail(var1);
      }

   }

   private synchronized void sendMail(long var1) throws IOException {
      Date var3 = new Date(var1);
      this.nextNotification = var1 + (long)(this.frequency * '\uea60');
      int var4 = this.exceptionsSinceNotified;
      if (var4 > 100) {
         var4 = 100;
      }

      LoggedException[] var5 = this.getExceptions(var4, 0);
      StringBuffer var6 = new StringBuffer(4096);
      var6.append("GSP Exception Alert\n");
      var6.append("-------------------\n");
      var6.append("          Time: " + var3.toString() + "\n");
      var6.append("  # Exceptions: " + this.exceptionsSinceNotified + "\n\n");
      var6.append("Template                         Message\n");
      var6.append("----------------------------------------------------------\n");

      for(int var7 = 0; var7 < var5.length; ++var7) {
         var6.append(var5[var7].getTemplate());
         var6.append("\t");
         var6.append(var5[var7].getMessage());
         var6.append('\n');
      }

      this.exceptionsSinceNotified = 0;
      MailMessage var8 = new MailMessage(this.field_0, this.from, this.subject, var6.toString());
      this.mailer.send(var8);
   }

   public synchronized LoggedException[] getExceptions(int var1, int var2) throws IOException {
      BufferedReader var4 = new BufferedReader(new FileReader(this.filename));
      if (var2 > this.count) {
         LoggedException[] var13 = new LoggedException[0];
         return var13;
      } else {
         if (var1 + var2 > this.count) {
            var1 = this.count - var2;
         }

         int var5 = 0;
         String var6 = "";
         if (var5 < this.count - (var2 + var1)) {
            do {
               var6 = var4.readLine();
               if (var6.equals(".")) {
                  ++var5;
               }
            } while(var6 != null && var5 < this.count - (var2 + var1));
         }

         var5 = 0;

         LoggedException[] var3;
         for(var3 = new LoggedException[var1]; var5 < var1 && var6 != null; ++var5) {
            String var7 = var4.readLine();
            String var8 = var4.readLine();
            String var9 = var4.readLine();
            StringBuffer var10 = new StringBuffer();

            for(String var11 = var4.readLine(); !var11.equals("."); var11 = var4.readLine()) {
               var10.append(var11);
               var10.append('\n');
            }

            LoggedException var12 = new LoggedException(var7, var9, var10.toString(), var8);
            var3[var1 - var5 - 1] = var12;
         }

         return var3;
      }
   }

   public static String exceptionToString(Throwable var0) {
      StringWriter var1 = new StringWriter();
      var0.printStackTrace(new PrintWriter(var1));
      return var1.toString();
   }
}