Package com.alibaba.fastjson2.util

Class TypeUtils

java.lang.Object

com.alibaba.fastjson2.util.TypeUtils

public class TypeUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static BigInteger	BIGINT_INT32_MAX
static BigInteger	BIGINT_INT32_MIN
static BigInteger	BIGINT_INT64_MAX
static BigInteger	BIGINT_INT64_MIN
static Class	CLASS_JSON_ARRAY_1x
static Class	CLASS_JSON_OBJECT_1x
static Class	CLASS_SINGLE_LIST
static Class	CLASS_SINGLE_SET
static Class	CLASS_UNMODIFIABLE_COLLECTION
static Class	CLASS_UNMODIFIABLE_LIST
static Class	CLASS_UNMODIFIABLE_NAVIGABLE_SET
static Class	CLASS_UNMODIFIABLE_SET
static Class	CLASS_UNMODIFIABLE_SORTED_SET
static Field	FIELD_JSON_OBJECT_1x_map
static MethodType	METHOD_TYPE_BI_CONSUMER
static MethodType	METHOD_TYPE_BI_FUNCTION
static MethodType	METHOD_TYPE_FUNCTION
static MethodType	METHOD_TYPE_INT_FUNCTION
static MethodType	METHOD_TYPE_INT_OBJECT
static MethodType	METHOD_TYPE_LONG_FUNCTION
static MethodType	METHOD_TYPE_LONG_OBJECT
static MethodType	METHOD_TYPE_OBJECT
static MethodType	METHOD_TYPE_OBJECT_INT
static MethodType	METHOD_TYPE_OBJECT_INT_CONSUMER
static MethodType	METHOD_TYPE_OBJECT_LONG
static MethodType	METHOD_TYPE_OBJECT_OBJECT
static MethodType	METHOD_TYPE_OBJECT_OBJECT_OBJECT
static MethodType	METHOD_TYPE_SUPPLIER
static MethodType	METHOD_TYPE_TO_INT_FUNCTION
static MethodType	METHOD_TYPE_TO_LONG_FUNCTION
static MethodType	METHOD_TYPE_VOID
static MethodType	METHOD_TYPE_VOID_INT
static MethodType	METHOD_TYPE_VOID_LONG
static MethodType	METHOD_TYPE_VOID_OBJECT_INT
static MethodType	METHOD_TYPE_VOID_STRING
static MethodType	METHOD_TYPE_VOO
static ParameterizedType	PARAM_TYPE_LIST_STR
static double[]	SMALL_10_POW	All the positive powers of 10 that can be represented exactly in double/float.

Constructor Summary

Constructors

Constructor	Description
TypeUtils()

Method Summary

Modifier and Type	Method	Description
static <T> T	cast(Object obj, Class<T> targetClass)
static <T> T	cast(Object obj, Class<T> targetClass, ObjectReaderProvider provider)
static <T> T	cast(Object obj, Type type)
static Object[]	cast(Object obj, Type[] types)
static <T> T	cast(Object obj, Type type, ObjectReaderProvider provider)
static int	compare(Object a, Object b)
static double	doubleValue(boolean isNegative, int decExp, char[] digits, int nDigits)
static double	doubleValue(int signNum, long intCompact, int scale)
static float	floatValue(boolean isNegative, int decExponent, char[] digits, int nDigits)
static float	floatValue(int signNum, long intCompact, int scale)
static Class<?>	getArrayClass(Class componentClass)
static Class<?>	getClass(Type type)
static Object	getDefaultValue(Type paramType)
static Map	getInnerMap(Map object)
static Class<?>	getMapping(Type type)
static Class	getMapping(String typeName)
static Type	getMapValueType(Type fieldType)
static String	getTypeName(Class type)
static Type	intern(Type type)
static boolean	isFunction(Class type)
static boolean	isInt32(BigInteger value)
static boolean	isInt64(BigInteger value)
static boolean	isInteger(byte[] str, int off, int len)
static boolean	isInteger(char[] str, int off, int len)
static boolean	isInteger(String str)
static boolean	isInteger(BigDecimal decimal)	decimal is integer, check has non-zero small
static boolean	isJavaScriptSupport(long i)
static boolean	isJavaScriptSupport(BigDecimal i)
static boolean	isJavaScriptSupport(BigInteger i)
static boolean	isNumber(byte[] str, int off, int len)
static boolean	isNumber(char[] str, int off, int len)
static boolean	isNumber(String str)
static boolean	isProxy(Class<?> clazz)
static boolean	isUUID(String str)
static Class	loadClass(String className)
static <T> T	newProxyInstance(Class<T> objectClass, JSONObject object)
static Class	nonePrimitive(Class type)
static BigDecimal	parseBigDecimal(byte[] bytes, int off, int len)
static BigDecimal	parseBigDecimal(char[] bytes, int off, int len)
static Boolean	parseBoolean(byte[] bytes, int off, int len)
static Boolean	parseBoolean(char[] bytes, int off, int len)
static double	parseDouble(byte[] in, int off, int len)
static double	parseDouble(char[] in, int off, int len)
static float	parseFloat(byte[] in, int off, int len)
static float	parseFloat(char[] in, int off, int len)
static int	parseInt(byte[] bytes, int off, int len)
static int	parseInt(char[] bytes, int off, int len)
static long	parseLong(byte[] bytes, int off, int len)
static long	parseLong(char[] bytes, int off, int len)
static BigDecimal	toBigDecimal(byte[] strBytes)
static BigDecimal	toBigDecimal(char[] chars)
static BigDecimal	toBigDecimal(double d)
static BigDecimal	toBigDecimal(float f)
static BigDecimal	toBigDecimal(long i)
static BigDecimal	toBigDecimal(Object value)
static BigDecimal	toBigDecimal(String str)
static BigInteger	toBigInteger(Object value)
static Boolean	toBoolean(Object value)
static boolean	toBooleanValue(Object value)
static Byte	toByte(Object value)
static byte	toByteValue(Object value)
static Date	toDate(Object obj)
static Double	toDouble(Object value)
static double	toDoubleValue(Object value)
static Float	toFloat(Object value)
static float	toFloatValue(Object value)
static Instant	toInstant(Object obj)
static Integer	toInteger(Object value)
static int	toIntValue(Object value)
static Long	toLong(Object value)
static long	toLongValue(Object value)
static Short	toShort(Object value)
static short	toShortValue(Object value)
static String	toString(byte ch)
static String	toString(byte c0, byte c1)
static String	toString(char ch)
static String	toString(char c0, char c1)
static String[]	toStringArray(Object object)
static boolean	validateIPv4(String str)
static boolean	validateIPv6(String str)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CLASS_JSON_OBJECT_1x

public static final Class CLASS_JSON_OBJECT_1x

FIELD_JSON_OBJECT_1x_map

public static final Field FIELD_JSON_OBJECT_1x_map

CLASS_JSON_ARRAY_1x

public static final Class CLASS_JSON_ARRAY_1x

CLASS_SINGLE_SET

public static final Class CLASS_SINGLE_SET

CLASS_SINGLE_LIST

public static final Class CLASS_SINGLE_LIST

CLASS_UNMODIFIABLE_COLLECTION

public static final Class CLASS_UNMODIFIABLE_COLLECTION

CLASS_UNMODIFIABLE_LIST

public static final Class CLASS_UNMODIFIABLE_LIST

CLASS_UNMODIFIABLE_SET

public static final Class CLASS_UNMODIFIABLE_SET

CLASS_UNMODIFIABLE_SORTED_SET

public static final Class CLASS_UNMODIFIABLE_SORTED_SET

CLASS_UNMODIFIABLE_NAVIGABLE_SET

public static final Class CLASS_UNMODIFIABLE_NAVIGABLE_SET

PARAM_TYPE_LIST_STR

public static final ParameterizedType PARAM_TYPE_LIST_STR

METHOD_TYPE_SUPPLIER

public static final MethodType METHOD_TYPE_SUPPLIER

METHOD_TYPE_FUNCTION

public static final MethodType METHOD_TYPE_FUNCTION

METHOD_TYPE_TO_INT_FUNCTION

public static final MethodType METHOD_TYPE_TO_INT_FUNCTION

METHOD_TYPE_TO_LONG_FUNCTION

public static final MethodType METHOD_TYPE_TO_LONG_FUNCTION

METHOD_TYPE_OBJECT_INT_CONSUMER

public static final MethodType METHOD_TYPE_OBJECT_INT_CONSUMER

METHOD_TYPE_INT_FUNCTION

public static final MethodType METHOD_TYPE_INT_FUNCTION

METHOD_TYPE_LONG_FUNCTION

public static final MethodType METHOD_TYPE_LONG_FUNCTION

METHOD_TYPE_BI_FUNCTION

public static final MethodType METHOD_TYPE_BI_FUNCTION

METHOD_TYPE_BI_CONSUMER

public static final MethodType METHOD_TYPE_BI_CONSUMER

METHOD_TYPE_VOO

public static final MethodType METHOD_TYPE_VOO

METHOD_TYPE_OBJECT

public static final MethodType METHOD_TYPE_OBJECT

METHOD_TYPE_OBJECT_OBJECT

public static final MethodType METHOD_TYPE_OBJECT_OBJECT

METHOD_TYPE_INT_OBJECT

public static final MethodType METHOD_TYPE_INT_OBJECT

METHOD_TYPE_LONG_OBJECT

public static final MethodType METHOD_TYPE_LONG_OBJECT

METHOD_TYPE_VOID_OBJECT_INT

public static final MethodType METHOD_TYPE_VOID_OBJECT_INT

METHOD_TYPE_OBJECT_LONG

public static final MethodType METHOD_TYPE_OBJECT_LONG

METHOD_TYPE_VOID_LONG

public static final MethodType METHOD_TYPE_VOID_LONG

METHOD_TYPE_OBJECT_OBJECT_OBJECT

public static final MethodType METHOD_TYPE_OBJECT_OBJECT_OBJECT

METHOD_TYPE_VOID

public static final MethodType METHOD_TYPE_VOID

METHOD_TYPE_VOID_INT

public static final MethodType METHOD_TYPE_VOID_INT

METHOD_TYPE_VOID_STRING

public static final MethodType METHOD_TYPE_VOID_STRING

METHOD_TYPE_OBJECT_INT

public static final MethodType METHOD_TYPE_OBJECT_INT

BIGINT_INT32_MIN

public static final BigInteger BIGINT_INT32_MIN

BIGINT_INT32_MAX

public static final BigInteger BIGINT_INT32_MAX

BIGINT_INT64_MIN

public static final BigInteger BIGINT_INT64_MIN

BIGINT_INT64_MAX

public static final BigInteger BIGINT_INT64_MAX

SMALL_10_POW

public static final double[] SMALL_10_POW

All the positive powers of 10 that can be represented exactly in double/float.

Constructor Detail

TypeUtils

public TypeUtils()

Method Detail

newProxyInstance

public static <T> T newProxyInstance(Class<T> objectClass,
                                     JSONObject object)

toString

public static String toString(char ch)

toString

public static String toString(byte ch)

toString

public static String toString(char c0,
                              char c1)

toString

public static String toString(byte c0,
                              byte c1)

intern

public static Type intern(Type type)

parseDouble

public static double parseDouble(byte[] in,
                                 int off,
                                 int len)
                          throws NumberFormatException

Throws:

NumberFormatException

parseDouble

public static double parseDouble(char[] in,
                                 int off,
                                 int len)
                          throws NumberFormatException

Throws:

NumberFormatException

parseFloat

public static float parseFloat(byte[] in,
                               int off,
                               int len)
                        throws NumberFormatException

Throws:

NumberFormatException

parseFloat

public static float parseFloat(char[] in,
                               int off,
                               int len)
                        throws NumberFormatException

Throws:

NumberFormatException

doubleValue

public static double doubleValue(boolean isNegative,
                                 int decExp,
                                 char[] digits,
                                 int nDigits)

floatValue

public static float floatValue(boolean isNegative,
                               int decExponent,
                               char[] digits,
                               int nDigits)

getMapping

public static Class<?> getMapping(Type type)

toDate

public static Date toDate(Object obj)

toInstant

public static Instant toInstant(Object obj)

cast

public static Object[] cast(Object obj,
                            Type[] types)

toStringArray

public static String[] toStringArray(Object object)

cast

public static <T> T cast(Object obj,
                         Type type)

cast

public static <T> T cast(Object obj,
                         Type type,
                         ObjectReaderProvider provider)

cast

public static <T> T cast(Object obj,
                         Class<T> targetClass)

cast

public static <T> T cast(Object obj,
                         Class<T> targetClass,
                         ObjectReaderProvider provider)

getTypeName

public static String getTypeName(Class type)

getMapping

public static Class getMapping(String typeName)

toBigDecimal

public static BigDecimal toBigDecimal(Object value)

toBigDecimal

public static BigDecimal toBigDecimal(long i)

toBigDecimal

public static BigDecimal toBigDecimal(float f)

toBigDecimal

public static BigDecimal toBigDecimal(double d)

toBigDecimal

public static BigDecimal toBigDecimal(String str)

toBigDecimal

public static BigDecimal toBigDecimal(char[] chars)

toBigDecimal

public static BigDecimal toBigDecimal(byte[] strBytes)

isInt32

public static boolean isInt32(BigInteger value)

isInt64

public static boolean isInt64(BigInteger value)

isInteger

public static boolean isInteger(BigDecimal decimal)

decimal is integer, check has non-zero small

Parameters:

decimal -

Returns:

toBigInteger

public static BigInteger toBigInteger(Object value)

toLong

public static Long toLong(Object value)

toLongValue

public static long toLongValue(Object value)

parseBoolean

public static Boolean parseBoolean(byte[] bytes,
                                   int off,
                                   int len)

parseBoolean

public static Boolean parseBoolean(char[] bytes,
                                   int off,
                                   int len)

parseInt

public static int parseInt(byte[] bytes,
                           int off,
                           int len)

parseInt

public static int parseInt(char[] bytes,
                           int off,
                           int len)

parseLong

public static long parseLong(byte[] bytes,
                             int off,
                             int len)

parseLong

public static long parseLong(char[] bytes,
                             int off,
                             int len)

parseBigDecimal

public static BigDecimal parseBigDecimal(char[] bytes,
                                         int off,
                                         int len)

parseBigDecimal

public static BigDecimal parseBigDecimal(byte[] bytes,
                                         int off,
                                         int len)

toInteger

public static Integer toInteger(Object value)

toByte

public static Byte toByte(Object value)

toByteValue

public static byte toByteValue(Object value)

toShort

public static Short toShort(Object value)

toShortValue

public static short toShortValue(Object value)

toIntValue

public static int toIntValue(Object value)

toBooleanValue

public static boolean toBooleanValue(Object value)

toBoolean

public static Boolean toBoolean(Object value)

toFloatValue

public static float toFloatValue(Object value)

toFloat

public static Float toFloat(Object value)

toDoubleValue

public static double toDoubleValue(Object value)

toDouble

public static Double toDouble(Object value)

compare

public static int compare(Object a,
                          Object b)

getDefaultValue

public static Object getDefaultValue(Type paramType)

loadClass

public static Class loadClass(String className)

getArrayClass

public static Class<?> getArrayClass(Class componentClass)

nonePrimitive

public static Class nonePrimitive(Class type)

getClass

public static Class<?> getClass(Type type)

isProxy

public static boolean isProxy(Class<?> clazz)

getInnerMap

public static Map getInnerMap(Map object)

isFunction

public static boolean isFunction(Class type)

isInteger

public static boolean isInteger(String str)

isInteger

public static boolean isInteger(byte[] str,
                                int off,
                                int len)

isInteger

public static boolean isInteger(char[] str,
                                int off,
                                int len)

isNumber

public static boolean isNumber(String str)

isNumber

public static boolean isNumber(byte[] str,
                               int off,
                               int len)

isNumber

public static boolean isNumber(char[] str,
                               int off,
                               int len)

isUUID

public static boolean isUUID(String str)

validateIPv4

public static boolean validateIPv4(String str)

validateIPv6

public static boolean validateIPv6(String str)

doubleValue

public static double doubleValue(int signNum,
                                 long intCompact,
                                 int scale)

floatValue

public static float floatValue(int signNum,
                               long intCompact,
                               int scale)

isJavaScriptSupport

public static boolean isJavaScriptSupport(long i)

isJavaScriptSupport

public static boolean isJavaScriptSupport(BigDecimal i)

isJavaScriptSupport

public static boolean isJavaScriptSupport(BigInteger i)

getMapValueType

public static Type getMapValueType(Type fieldType)