package org.textensor.report;
   
   
   
   public class E {
   
       public static long time0 = 0;
   
       static String lastShortSource;
      static String cachedAction;
      static String lastErr;
      static int nrep;
  
      private static long getTime() {
          return System.currentTimeMillis();
      }
  
  
      public static void zeroTime() {
          time0 = getTime();
      }
  
      public static String getStringTime() {
          if (time0 == 0) {
              zeroTime();
          }
          long dt = (getTime() - time0);
          return "" + dt;
      }
  
      public static void info(String s) {
          System.out.println("INFO - " + s + getShortSource());
      }
  
      public static void infoTime(String s) {
          System.out.println("INFO - " + s + " at " + getStringTime());
      }
  
  
      public static void longInfo(String s) {
          System.out.println("INFO - " + s);
          showSource(16);
      }
  
  
      public static void message(String s) {
          System.out.println("MESSAGE - " + s);
      }
  
      public static void oneLineWarning(String s) {
          System.out.println("WARNING - " + s + getShortSource());
      }
  
  
      public static void shortWarning(String s) {
          System.out.println("WARNING - " + s + getShortSource());
      }
  
      public static void shortError(String s) {
          System.out.println("ERROR - " + s + getShortSource());
      }
  
      public static void medWarning(String s) {
          System.out.println("WARNING - " + s);
          showSource(4);
      }
  
      public static void warning(String s) {
          System.out.println("WARNING - " + s);
          showSource(12);
      }
  
      public static void linkToWarning(String s, Object obj) {
          System.out.println("WARNING - " + s);
          String fcn = obj.getClass().getName();
          String scn = fcn.substring(fcn.lastIndexOf(".") + 1, fcn.length());
          System.out.println("  at " + fcn + ".nomethod(" + scn + ".java:1)");
      }
  
      public static void error(String s) {
          if (lastErr != null && lastErr.equals(s)) {
              nrep += 1;
              if (nrep == 3 || nrep == 10 || nrep ==30 || nrep == 100) {
                  System.out.println(" .......  last error repeated " + nrep + " times");
              }
          } else {
              if (nrep > 0) {
                  System.out.println("total repeats of last error " + nrep);
              }
              nrep = 0;
              lastErr = s;
              System.out.println("ERROR - " + s);
              showSource();
          }
      }
  
      public static void debugError(String s) {
          System.out.println("ERROR - " + s);
          System.out.println("stack trace follows: ");
         stackTrace();
     }
 
 
     public static void fatalError(String s) {
         System.out.println("FATAL - " + s);
         stackTrace();
         System.exit(0);
     }
 
 
     public static void override(String s) {
         System.out.println("OVERRIDE - method should be overridden: " + s);
         showSource();
     }
 
     public static void override() {
         System.out.println("OVERRIDE - method should be overridden: ");
         showSource();
     }
 
 
     public static void deprecate(String s) {
         System.out.println("DEPRECATED - using deprecated class: " + s + " " +
                            getShortSource());
         showShortSource();
     }
 
     public static void deprecate() {
         System.out.println("DEPRECATED - using deprecated method " + getShortSource());
         showShortSource();
     }
 
     public static void missing(String s) {
         System.out.println("MISSING - missing code needed: " + s);
         showSource();
     }
 
 
     public static void missing() {
         System.out.println("MISSING - missing code needed");
         showSource();
     }
 
 
     public static void stackTrace() {
         (new Exception()).printStackTrace();
     }
 
 
 
 
     public static void showSource() {
         showSource(10);
     }
 
     public static void showShortSource() {
         showSource(2);
     }
 
     public static void showSource(int n) {
         StackTraceElement[] stea = (new Exception()).getStackTrace();
         for (int i = 2; i < 2 + n && i < stea.length; i++) {
             System.out.println("  at " + stea[i].toString());
 
             /*
               System.out.println("   at " + stea[i].getClassName() +
                      "(" + stea[i].getFileName() + ":" + stea[i].getLineNumber() +")");
             */
         }
     }
 
 
     public static String getShortSource() {
         StackTraceElement[] stea = (new Exception()).getStackTrace();
         String ss = (" at " + stea[2].toString());
         if (ss.equals(lastShortSource)) {
             ss = "";
         } else {
             lastShortSource = ss;
         }
         return ss;
     }
 
 
 
     public static void delay() {
         pause(200);
     }
 
 
     public static void pause(int n) {
         try {
 
             Thread.sleep(n);
         } catch (Exception ex) {
         }
     }
 
 
     public static void newLine() {
         System.out.println("...");
     }
 
 
     public static void cacheAction(String s) {
         cachedAction = s;
     }
 
     public static void reportCached() {
         System.out.println("may relate to: " + cachedAction);
     }
 
 
     public static void dump(String[] labs) {
         if (labs != null) {
             for (int i = 0; i < labs.length; i++) {
                 System.out.println("element " + i + ": " + labs[i]);
             }
         }
     }
 
 
 
 
 
     public static void dump(String s, String[] labs) {
         System.out.println(s + " " + labs + " " + getShortSource());
         E.dump(labs);
     }
 
     public static void dump(String s, int[] ia) {
         System.out.println("int[] array: " + s + " " + ia.length + " " + getShortSource());
         for (int i = 0; i < ia.length; i++) {
             System.out.println("   elt " + i + " = " + ia[i]);
         }
     }
 
     public static void dump(String s, double[] ia) {
         System.out.println("int[] array: " + s + " " + ia.length + " " + getShortSource());
         for (int i = 0; i < ia.length; i++) {
             System.out.println("   elt " + i + " = " + ia[i]);
         }
     }
 
 
     public static void dump(String s, double[][] regcon) {
         for (int i = 0; i < regcon.length; i++) {
             dump(s + "-" + i, regcon[i]);
         }
     }
 
 
 }