/**
* 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();
}
/**
* Constructs a new {@code MathContext} with the specified precision and with the specified
* rounding mode. If the precision passed is zero, then this implies that the computations have to
* be performed exact, the rounding mode in this case is irrelevant.
*
* @param precision the precision for the new {@code MathContext}.
* @param roundingMode the rounding mode for the new {@code MathContext}.
* @throws IllegalArgumentException if {@code precision < 0}.
* @throws NullPointerException if {@code roundingMode} is {@code null}.
*/
@DSComment("From safe class list")
@DSSafe(DSCat.SAFE_LIST)
@DSGenerator(
tool_name = "Doppelganger",
tool_version = "2.0",
generated_on = "2013-12-30 12:56:34.345 -0500",
hash_original_method = "8370E5A41DB25B2BD130B4958C97346D",
hash_generated_method = "326C198F27A28956CF1D6E22903C6750")
public MathContext(int precision, RoundingMode roundingMode) {
this.precision = precision;
this.roundingMode = roundingMode;
checkValid();
}
/**
* Makes checks upon deserialization of a {@code MathContext} instance. Checks whether {@code
* precision >= 0} and {@code roundingMode != null}
*
* @throws StreamCorruptedException if {@code precision < 0}
* @throws StreamCorruptedException if {@code roundingMode == null}
*/
@DSComment("Private Method")
@DSBan(DSCat.PRIVATE_METHOD)
@DSGenerator(
tool_name = "Doppelganger",
tool_version = "2.0",
generated_on = "2013-12-30 12:56:34.369 -0500",
hash_original_method = "323BCE51E980C267DF7F7C47AD5D1D50",
hash_generated_method = "0C99EEF0C4D6801AF7A92F869AD842C8")
private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
s.defaultReadObject();
try {
checkValid();
} catch (Exception ex) {
throw new StreamCorruptedException(ex.getMessage());
}
}
