1 import java.util.*;
   2 import java.io.*;
   3 
   4 public class Logging {
   5    
   6    ObjectMonitor   myLock; 
   7    long		 start; 
   8    long		 pause;
   9    FileWriter      out;
  10    boolean		 isOpen;
  11    static String	 currentLogName;
  12 
  13    Logging() {
  14 	myLock    = new ObjectMonitor();
  15 	start	    = 0;
  16 	isOpen    = false;
  17 
  18    }
  19 
  20    public void done() {
  21 	if (isOpen == false)  {
  22 		System.out.println("LOGGING: Attepted to done() a log that was already closed.");
  23 		return;
  24 	}
  25 	//System.out.println("LOGGING: DONE");
  26 	try {
  27 	   out.close();
  28 	} catch (Exception e) {
  29 	   System.out.println("LOGGING: Failed to close log file in done().");
  30 	}
  31 	isOpen = false;
  32    }    
  33 
  34    public void post(String entry) {
  35 
  36 	if (isOpen == false) return;
  37 	//System.out.println("LOGGING: POST");
  38       
  39 	long	  myTime;
  40 	String  postString;
  41 
  42 	myLock.lock(true);
  43 
  44    	Date	 time = new Date(); 
  45 	myTime      = getTiming();
  46 	try {
  47 		postString = myTime + " : " + entry + "\n";
  48 		out.write(postString, 0, postString.length());
  49 
  50 	} catch (Exception e) {  
  51       }
  52 
  53       myLock.lock(false);
  54    }     
  55 
  56    public String getLog() {
  57    	  
  58 	int      chars	 = 1;
  59 	char     buf[] 	 = new char[2048];
  60  	FileReader   lf    = null;
  61 
  62 	StringBuffer lb = new StringBuffer();
  63 
  64 	if (isOpen == true)  {
  65 		System.out.println("LOGGING: Tried to getlog on an open log.");
  66 		done();
  67 	}
  68 
  69 	try {
  70  
  71 	   // Copy the file to the report buffer
  72 	   System.out.println("LOGGING: trying to open " + currentLogName);
  73 	   lf = new FileReader(currentLogName);
  74 	   System.out.println("LOGGING: Opened log file.");
  75          while (chars > 0) {
  76             chars = lf.read(buf,0,2048);
  77 		lb.append(buf,0,chars);
  78          }
  79 
  80 	} catch (Exception e) {
  81 	   System.out.println("LOGGING: Exception failure while trying to getLog().  It should be OK.");
  82 	} finally {
  83 		try {
  84 	         lf.close();
  85 		} catch (Exception e) { }
  86 	}
  87 
  88 	return lb.toString();
  89    }
  90 
  91 
  92    public void clear() {
  93 
  94 	if (isOpen == true) {
  95 	   System.out.println("LOGGING: Attempted to clear() log before closing old log.  Closing old log.");
  96 	   done();
  97 	}
  98 
  99       myLock.lock(true);
 100 	isOpen = false;
 101 	Date	 logTime = new Date();
 102 	try { 
 103 	   currentLogName = new String("log-" + logTime.getTime() + ".s");
 104 	   out = new FileWriter(currentLogName); 
 105 	   //System.out.println("LOGGING: OPEN " + "log-" + logTime.getTime() + ".s");
 106 	   isOpen = true;
 107 	   myLock.lock(false);
 108 
 109 	} catch (Exception e) { myLock.lock(false);
 110 					System.out.println("LOGGING: Failed to open log file.");
 111 					//throw(e); 
 112 				    }  // toss this one at the wind.  it is a bad, bad thing
 113    }
 114 
 115    public void startTiming() {
 116 
 117 	Date	 time = new Date(); 
 118 	start = time.getTime();	
 119    }
 120 
 121    public void stopTiming() {
 122 	start = 0;
 123    }
 124    
 125    public void pauseTiming() {
 126    	Date	 time = new Date(); 
 127 	pause = time.getTime();	
 128    }
 129 
 130    public void resumeTiming() {
 131    	Date	 time = new Date(); 
 132 	start = time.getTime() - (pause-start);
 133    }
 134 
 135 
 136    public long getTiming() {
 137    	Date	 time = new Date();
 138 	long  current;
 139 	if (start > 0)
 140 	   current = time.getTime() - start;
 141 	else
 142   	   current = 0;
 143 	return current;
 144    }
 145 }