public final class NumberInput extends Object
NOTE! Does NOT validate against maximum length limits: caller must do that if and as necessary.
| Modifier and Type | Field and Description |
|---|---|
static String |
NASTY_SMALL_DOUBLE
Deprecated.
Since 2.14 -- do not use
|
| Constructor and Description |
|---|
NumberInput() |
| Modifier and Type | Method and Description |
|---|---|
static boolean |
inLongRange(char[] ch,
int off,
int len,
boolean negative)
Helper method for determining if given String representation of
an integral number would fit in 64-bit Java long or not.
|
static boolean |
inLongRange(String s,
boolean negative)
Similar to
inLongRange(char[],int,int,boolean), but
with String argument |
static boolean |
looksLikeValidNumber(String s)
Method called to check whether given pattern looks like a valid Java
Number (which is bit looser definition than valid JSON Number).
|
static double |
parseAsDouble(String s,
double def) |
static double |
parseAsDouble(String s,
double def,
boolean useFastParser) |
static int |
parseAsInt(String s,
int def) |
static long |
parseAsLong(String s,
long def) |
static BigDecimal |
parseBigDecimal(char[] ch)
Deprecated.
Since 2.17 use
parseBigDecimal(char[], boolean) instead |
static BigDecimal |
parseBigDecimal(char[] ch,
boolean useFastParser) |
static BigDecimal |
parseBigDecimal(char[] ch,
int off,
int len)
Deprecated.
Since 2.17 use
parseBigDecimal(char[], int, int, boolean) instead |
static BigDecimal |
parseBigDecimal(char[] ch,
int off,
int len,
boolean useFastParser) |
static BigDecimal |
parseBigDecimal(String s)
Deprecated.
Since 2.17 use
parseBigDecimal(String, boolean) instead |
static BigDecimal |
parseBigDecimal(String s,
boolean useFastParser) |
static BigInteger |
parseBigInteger(String s)
Deprecated.
Since 2.17 use
parseBigInteger(String, boolean) instead |
static BigInteger |
parseBigInteger(String s,
boolean useFastParser) |
static BigInteger |
parseBigIntegerWithRadix(String s,
int radix,
boolean useFastParser) |
static double |
parseDouble(String s)
Deprecated.
Since 2.17 use
parseDouble(String, boolean) instead |
static double |
parseDouble(String s,
boolean useFastParser) |
static float |
parseFloat(String s)
Deprecated.
Since 2.17 use
parseFloat(String, boolean) instead |
static float |
parseFloat(String s,
boolean useFastParser) |
static int |
parseInt(char[] ch,
int off,
int len)
Fast method for parsing unsigned integers that are known to fit into
regular 32-bit signed int type.
|
static int |
parseInt(String s)
Helper method to (more) efficiently parse integer numbers from
String values.
|
static long |
parseLong(char[] ch,
int off,
int len) |
static long |
parseLong(String s)
Similar to
parseInt(String) but for long values. |
static long |
parseLong19(char[] ch,
int off,
boolean negative)
Parses an unsigned long made up of exactly 19 digits.
|
@Deprecated public static final String NASTY_SMALL_DOUBLE
public static int parseInt(char[] ch,
int off,
int len)
Note: public to let unit tests call it; not meant to be used by any code outside this package.
ch - Buffer that contains integer value to decodeoff - Offset of the first digit character in bufferlen - Length of the number to decode (in characters)int valuepublic static int parseInt(String s)
int:
caller is expected to only calls this in cases where this can be guaranteed
(basically: number of digits does not exceed 9)
NOTE: semantics differ significantly from parseInt(char[], int, int).
s - String that contains integer value to decodeint valuepublic static long parseLong(char[] ch,
int off,
int len)
public static long parseLong19(char[] ch,
int off,
boolean negative)
It is the callers responsibility to make sure the input is exactly 19 digits.
and fits into a 64bit long by calling inLongRange(char[], int, int, boolean)
first.
Note that input String must NOT contain leading minus sign (even
if negative is set to true).
ch - Buffer that contains integer value to decodeoff - Offset of the first digit character in buffernegative - Whether original number had a minus signlong valuepublic static long parseLong(String s)
parseInt(String) but for long values.s - String that contains long value to decodelong valuepublic static boolean inLongRange(char[] ch,
int off,
int len,
boolean negative)
ch - Buffer that contains long value to checkoff - Offset of the first digit character in bufferlen - Length of the number to decode (in characters)negative - Whether original number had a minus sign (which is
NOT passed to this method) or notTrue if specified String representation is within Java
long range; false if not.public static boolean inLongRange(String s, boolean negative)
inLongRange(char[],int,int,boolean), but
with String arguments - String that contains long value to checknegative - Whether original number had a minus sign (which is
NOT passed to this method) or notTrue if specified String representation is within Java
long range; false if not.public static int parseAsInt(String s, int def)
public static long parseAsLong(String s, long def)
public static double parseAsDouble(String s, double def)
s - a string representing a number to parsedef - the default to return if `s` is not a parseable numberparseAsDouble(String, double, boolean)public static double parseAsDouble(String s, double def, boolean useFastParser)
s - a string representing a number to parsedef - the default to return if `s` is not a parseable numberuseFastParser - whether to use FastDoubleParser@Deprecated public static double parseDouble(String s) throws NumberFormatException
parseDouble(String, boolean) insteads - a string representing a number to parseNumberFormatException - if string cannot be represented by a double where useFastParser=falseparseDouble(String, boolean)public static double parseDouble(String s, boolean useFastParser) throws NumberFormatException
s - a string representing a number to parseuseFastParser - whether to use FastDoubleParserNumberFormatException - if string cannot be represented by a double@Deprecated public static float parseFloat(String s) throws NumberFormatException
parseFloat(String, boolean) insteads - a string representing a number to parseNumberFormatException - if string cannot be represented by a float where useFastParser=falseparseFloat(String, boolean)public static float parseFloat(String s, boolean useFastParser) throws NumberFormatException
s - a string representing a number to parseuseFastParser - whether to use FastDoubleParserNumberFormatException - if string cannot be represented by a float@Deprecated public static BigDecimal parseBigDecimal(String s) throws NumberFormatException
parseBigDecimal(String, boolean) insteads - a string representing a number to parseNumberFormatException - if the char array cannot be represented by a BigDecimalpublic static BigDecimal parseBigDecimal(String s, boolean useFastParser) throws NumberFormatException
s - a string representing a number to parseuseFastParser - whether to use custom fast parser (true) or JDK default (false) parserNumberFormatException - if the char array cannot be represented by a BigDecimal@Deprecated public static BigDecimal parseBigDecimal(char[] ch, int off, int len) throws NumberFormatException
parseBigDecimal(char[], int, int, boolean) insteadch - a char array with text that makes up a numberoff - the offset to apply when parsing the number in the char arraylen - the length of the number in the char arrayNumberFormatException - if the char array cannot be represented by a BigDecimalpublic static BigDecimal parseBigDecimal(char[] ch, int off, int len, boolean useFastParser) throws NumberFormatException
ch - a char array with text that makes up a numberoff - the offset to apply when parsing the number in the char arraylen - the length of the number in the char arrayuseFastParser - whether to use custom fast parser (true) or JDK default (false) parserNumberFormatException - if the char array cannot be represented by a BigDecimal@Deprecated public static BigDecimal parseBigDecimal(char[] ch) throws NumberFormatException
parseBigDecimal(char[], boolean) insteadch - a char array with text that makes up a numberNumberFormatException - if the char array cannot be represented by a BigDecimalpublic static BigDecimal parseBigDecimal(char[] ch, boolean useFastParser) throws NumberFormatException
ch - a char array with text that makes up a numberuseFastParser - whether to use custom fast parser (true) or JDK default (false) parserNumberFormatException - if the char array cannot be represented by a BigDecimal@Deprecated public static BigInteger parseBigInteger(String s) throws NumberFormatException
parseBigInteger(String, boolean) insteads - a string representing a number to parseNumberFormatException - if string cannot be represented by a BigIntegerpublic static BigInteger parseBigInteger(String s, boolean useFastParser) throws NumberFormatException
s - a string representing a number to parseuseFastParser - whether to use custom fast parser (true) or JDK default (false) parserNumberFormatException - if string cannot be represented by a BigIntegerpublic static BigInteger parseBigIntegerWithRadix(String s, int radix, boolean useFastParser) throws NumberFormatException
s - a string representing a number to parseradix - for parseuseFastParser - whether to use custom fast parser (true) or JDK default (false) parserNumberFormatException - if string cannot be represented by a BigIntegerpublic static boolean looksLikeValidNumber(String s)
The differences to stricter JSON Number are:
Note: no trimming (String.trim()) nor null checks are performed
on String passed.
s - String to validateCopyright © 2008–2024 FasterXML. All rights reserved.