JRuby Base 10.0.0.0 · org.jruby.util.SafeDecimalParser

Field Summary

Modifier and Type	Field and Description
protected static final BigDecimal	LOWER Lower allowed value
private static final Double	LOWER_DOUBLE Lower allowed value as Double
protected static final BigDecimal	MIDDLE The middle of the bad interval - used for rounding bad values
private static final String	SUSPICIOUS_DIGITS Digit sequence to trigger the slow path
protected static final BigDecimal	TWO Constant 2
protected static final BigDecimal	UPPER Upper allowed value
private static final Double	UPPER_DOUBLE Upper allowed value as Double

Access	Constructor and Description
pack-priv	SafeDecimalParser()

Method Summary

Modifier and Type	Method and Description
protected static final double	Returns: the double value decimalValue(Number number) Safe way of getting the double value prevents BigDecimal from calling Double.parseDouble()
protected static final double	Returns: the double value decimalValue(BigDecimal bigDecimal) Safe way of getting the double value Prevents BigDecimal from calling Double.parseDouble()
protected static final Double	Returns: The Double value decimalValueOf(String The input String, can be null s) Safe parsing of a String into a Double
private static final String	Returns: A String containing only the digits digits(String The non-null String value s) Extract the digits from a numeric string
private static final boolean	Returns: `true` if the value is dangerous, `false` otherwise isDangerous(BigDecimal The big decimal value bd) Tests if the value is in the dangerous interval
protected static final boolean	Returns: `true` if the value is suspicious, `false` otherwise isSuspicious(String The non-null input String s) Heuristic test if we should look closer at the value
private static final Double	Returns: the double value parseSafely(String The non-null input String s) Slow parsing of a suspicious value Rounding takes place if the value is inside the bad interval

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

LOWER	back to summary
protected static final BigDecimal LOWER Lower allowed value

LOWER_DOUBLE	back to summary
private static final Double LOWER_DOUBLE Lower allowed value as Double

MIDDLE	back to summary
protected static final BigDecimal MIDDLE The middle of the bad interval - used for rounding bad values

SUSPICIOUS_DIGITS	back to summary
private static final String SUSPICIOUS_DIGITS Digit sequence to trigger the slow path

TWO	back to summary
protected static final BigDecimal TWO Constant 2

UPPER	back to summary
protected static final BigDecimal UPPER Upper allowed value

UPPER_DOUBLE	back to summary
private static final Double UPPER_DOUBLE Upper allowed value as Double

Constructor Detail

SafeDecimalParser	back to summary
pack-priv SafeDecimalParser()

Method Detail

decimalValue	back to summary
protected static final double decimalValue(Number number) Safe way of getting the double value prevents BigDecimal from calling Double.parseDouble() Returns:double the double value

decimalValue

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protected static final double decimalValue(Number number)

Safe way of getting the double value
prevents BigDecimal from calling Double.parseDouble()

Returns:double: the double value

decimalValue	back to summary
protected static final double decimalValue(BigDecimal bigDecimal) Safe way of getting the double value Prevents BigDecimal from calling Double.parseDouble() Returns:double the double value

decimalValue

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protected static final double decimalValue(BigDecimal bigDecimal)

Safe way of getting the double value
Prevents BigDecimal from calling Double.parseDouble()

Returns:double: the double value

decimalValueOf	back to summary
protected static final Double decimalValueOf(String s) Safe parsing of a String into a Double Parameters s:String The input String, can be null Returns:Double The Double value

decimalValueOf

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protected static final Double decimalValueOf(String s)

Safe parsing of a String into a Double

Parameters

s:String: The input String, can be null

Returns:Double

The Double value

digits	back to summary
private static final String digits(String s) Extract the digits from a numeric string Parameters s:String The non-null String value Returns:String A String containing only the digits

digits

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private static final String digits(String s)

Extract the digits from a numeric string

Parameters

s:String: The non-null String value

Returns:String

A String containing only the digits

isDangerous back to summary

isDangerous	back to summary
private static final boolean isDangerous(BigDecimal bd) Tests if the value is in the dangerous interval Parameters bd:BigDecimal The big decimal value Returns:boolean `true` if the value is dangerous, `false` otherwise

private static final boolean isDangerous(BigDecimal bd)

Tests if the value is in the dangerous interval

Parameters

bd:BigDecimal: The big decimal value

Returns:boolean

true if the value is dangerous, false otherwise

isSuspicious back to summary

isSuspicious	back to summary
protected static final boolean isSuspicious(String s) Heuristic test if we should look closer at the value Parameters s:String The non-null input String Returns:boolean `true` if the value is suspicious, `false` otherwise

protected static final boolean isSuspicious(String s)

Heuristic test if we should look closer at the value

Parameters

s:String: The non-null input String

Returns:boolean

true if the value is suspicious, false otherwise

parseSafely	back to summary
private static final Double parseSafely(String s) Slow parsing of a suspicious value Rounding takes place if the value is inside the bad interval Parameters s:String The non-null input String Returns:Double the double value

parseSafely

back to summary

private static final Double parseSafely(String s)

Slow parsing of a suspicious value

Rounding takes place if the value is inside the bad interval

Parameters

s:String: The non-null input String

Returns:Double

the double value

pack-priv Class SafeDecimalParser

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