/** * Constructs a new {@code MathContext} from a string. The string has to specify the precision and * the rounding mode to be used and has to follow the following syntax: * "precision=<precision> roundingMode=<roundingMode>" This is the same form as the * one returned by the {@link #toString} method. * * @throws IllegalArgumentException if the string is not in the correct format or if the precision * specified is < 0. */ @DSComment("From safe class list") @DSSafe(DSCat.SAFE_LIST) @DSGenerator( tool_name = "Doppelganger", tool_version = "2.0", generated_on = "2013-12-30 12:56:34.348 -0500", hash_original_method = "1D8B76B7C700FBF158167DD4C05A3C30", hash_generated_method = "96CB7A0DB097A7BF33DE16B65A96E3E8") public MathContext(String s) { int precisionLength = "precision=".length(); int roundingModeLength = "roundingMode=".length(); int spaceIndex; if (!s.startsWith("precision=") || (spaceIndex = s.indexOf(' ', precisionLength)) == -1) { throw invalidMathContext("Missing precision", s); } String precisionString = s.substring(precisionLength, spaceIndex); try { this.precision = Integer.parseInt(precisionString); } catch (NumberFormatException nfe) { throw invalidMathContext("Bad precision", s); } int roundingModeStart = spaceIndex + 1; if (!s.regionMatches(roundingModeStart, "roundingMode=", 0, roundingModeLength)) { throw invalidMathContext("Missing rounding mode", s); } roundingModeStart += roundingModeLength; this.roundingMode = RoundingMode.valueOf(s.substring(roundingModeStart)); checkValid(); }
/** * Returns the hash code for this {@code MathContext} instance. * * @return the hash code for this {@code MathContext}. */ @DSComment("From safe class list") @DSSafe(DSCat.SAFE_LIST) @DSGenerator( tool_name = "Doppelganger", tool_version = "2.0", generated_on = "2013-12-30 12:56:34.364 -0500", hash_original_method = "CDDF05FC589C0F0146B62DD26D215A30", hash_generated_method = "B195C6308746B1DAC1EA450308C3E284") @Override public int hashCode() { // Make place for the necessary bits to represent 8 rounding modes return ((precision << 3) | roundingMode.ordinal()); }