PC Pro 1999 April/DPPCPRO0499.ISO/April/Notes/50b2wic.exe/DATA1.CAB/NotesProgramFilesJavaSupport/rt.jar/java/lang/Long.class

Java Class File | 1998-04-23 | 3.9 KB | 225 lines

package java.lang;

public final class Long extends Number {
   public static final long MIN_VALUE = -9223372036854775808L;
   public static final long MAX_VALUE = 9223372036854775807L;
   public static final Class TYPE = Class.getPrimitiveClass("long");
   private long value;
   private static final long serialVersionUID = 4290774380558885855L;

   public static String toString(long var0, int var2) {
      if (var2 < 2 || var2 > 36) {
         var2 = 10;
      }

      char[] var3 = new char[65];
      int var4 = 64;
      boolean var5 = var0 < 0L;
      if (!var5) {
         var0 = -var0;
      }

      while(var0 <= (long)(-var2)) {
         var3[var4--] = Integer.digits[(int)(-(var0 % (long)var2))];
         var0 /= (long)var2;
      }

      var3[var4] = Integer.digits[(int)(-var0)];
      if (var5) {
         --var4;
         var3[var4] = '-';
      }

      return new String(var3, var4, 65 - var4);
   }

   public static String toHexString(long var0) {
      return toUnsignedString(var0, 4);
   }

   public static String toOctalString(long var0) {
      return toUnsignedString(var0, 3);
   }

   public static String toBinaryString(long var0) {
      return toUnsignedString(var0, 1);
   }

   private static String toUnsignedString(long var0, int var2) {
      char[] var3 = new char[64];
      int var4 = 64;
      int var5 = 1 << var2;
      long var6 = (long)(var5 - 1);

      do {
         --var4;
         var3[var4] = Integer.digits[(int)(var0 & var6)];
         var0 >>>= var2;
      } while(var0 != 0L);

      return new String(var3, var4, 64 - var4);
   }

   public static String toString(long var0) {
      return toString(var0, 10);
   }

   public static long parseLong(String var0, int var1) throws NumberFormatException {
      if (var0 == null) {
         throw new NumberFormatException("null");
      } else if (var1 < 2) {
         throw new NumberFormatException("radix " + var1 + " less than Character.MIN_RADIX");
      } else if (var1 > 36) {
         throw new NumberFormatException("radix " + var1 + " greater than Character.MAX_RADIX");
      } else {
         long var2 = 0L;
         boolean var4 = false;
         int var5 = 0;
         int var6 = var0.length();
         if (var6 <= 0) {
            throw new NumberFormatException(var0);
         } else {
            long var7;
            if (var0.charAt(0) == '-') {
               var4 = true;
               var7 = MIN_VALUE;
               ++var5;
            } else {
               var7 = -9223372036854775807L;
            }

            long var9 = var7 / (long)var1;
            if (var5 < var6) {
               int var11 = Character.digit(var0.charAt(var5++), var1);
               if (var11 < 0) {
                  throw new NumberFormatException(var0);
               }

               var2 = (long)(-var11);
            }

            while(var5 < var6) {
               int var13 = Character.digit(var0.charAt(var5++), var1);
               if (var13 < 0) {
                  throw new NumberFormatException(var0);
               }

               if (var2 < var9) {
                  throw new NumberFormatException(var0);
               }

               var2 *= (long)var1;
               if (var2 < var7 + (long)var13) {
                  throw new NumberFormatException(var0);
               }

               var2 -= (long)var13;
            }

            if (var4) {
               if (var5 > 1) {
                  return var2;
               } else {
                  throw new NumberFormatException(var0);
               }
            } else {
               return -var2;
            }
         }
      }
   }

   public static long parseLong(String var0) throws NumberFormatException {
      return parseLong(var0, 10);
   }

   public static Long valueOf(String var0, int var1) throws NumberFormatException {
      return new Long(parseLong(var0, var1));
   }

   public static Long valueOf(String var0) throws NumberFormatException {
      return new Long(parseLong(var0, 10));
   }

   public Long(long var1) {
      this.value = var1;
   }

   public Long(String var1) throws NumberFormatException {
      this.value = parseLong(var1, 10);
   }

   public byte byteValue() {
      return (byte)((int)this.value);
   }

   public short shortValue() {
      return (short)((int)this.value);
   }

   public int intValue() {
      return (int)this.value;
   }

   public long longValue() {
      return this.value;
   }

   public float floatValue() {
      return (float)this.value;
   }

   public double doubleValue() {
      return (double)this.value;
   }

   public String toString() {
      return String.valueOf(this.value);
   }

   public int hashCode() {
      return (int)(this.value ^ this.value >> 32);
   }

   public boolean equals(Object var1) {
      if (var1 != null && var1 instanceof Long) {
         return this.value == (Long)var1;
      } else {
         return false;
      }
   }

   public static Long getLong(String var0) {
      return getLong(var0, (Long)null);
   }

   public static Long getLong(String var0, long var1) {
      Long var3 = getLong(var0, (Long)null);
      return var3 == null ? new Long(var1) : var3;
   }

   public static Long getLong(String var0, Long var1) {
      String var2 = System.getProperty(var0);
      if (var2 != null) {
         try {
            if (var2.startsWith("0x")) {
               return valueOf(var2.substring(2), 16);
            }

            if (var2.startsWith("#")) {
               return valueOf(var2.substring(1), 16);
            }

            if (var2.startsWith("0") && var2.length() > 1) {
               return valueOf(var2.substring(1), 8);
            }

            return valueOf(var2);
         } catch (NumberFormatException var3) {
         }
      }

      return var1;
   }
}