scripting/workben/installer/LogStream.java

   1 package installer;
   2 import java.io.PrintStream;
   3 import java.io.FileOutputStream;
   4
   5 import java.util.Date;
   6 import java.text.DateFormat;
   7 import java.text.SimpleDateFormat;
   8
   9
  10 //import java.io.PrintWriter;
  11 public class LogStream extends PrintStream
  12 {
  13     static final private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z: ");
  14
  15     private String getTimeStamp()
  16     {
  17          String timeStamp = formatter.format( new Date() );
  18          return timeStamp;
  19     }
  20     public LogStream( String logFileName ) throws java.io.FileNotFoundException
  21     {
  22         super( new FileOutputStream( logFileName ) );
  23     }
  24     public  void println(String x)
  25     {
  26         super.println( getTimeStamp() + x );
  27     }
  28     public static void main(String[] args)
  29     {
  30         if ( args.length > 0 )
  31         {
  32             try
  33             {
  34                 LogStream log = new LogStream( args[0] );
  35                 System.setErr(log);
  36                 System.setOut(log);
  37                 System.out.println("Test from logger from out");
  38                 System.err.println("Test from logger from err");
  39                 System.out.println("finised test from out");
  40                 System.err.println("finised test from err");
  41             }
  42             catch( java.io.FileNotFoundException fe )
  43             {
  44                 System.err.println("Error creating logStream: " + fe );
  45                 fe.printStackTrace();
  46             }
  47         }
  48         else
  49         {
  50             System.err.println("specify log file java LogStream [logfile]");
  51             System.exit(1);
  52         }
  53     }
  54 }