Package com.alibaba.fastjson2.util

Class JDKUtils

java.lang.Object

com.alibaba.fastjson2.util.JDKUtils

public class JDKUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	ANDROID
static int	ANDROID_SDK_INT
static long	ARRAY_BYTE_BASE_OFFSET
static long	ARRAY_CHAR_BASE_OFFSET
static boolean	BIG_ENDIAN
static Class	CLASS_TRANSIENT
static long	FIELD_BIGINTEGER_MAG_OFFSET
static long	FIELD_DECIMAL_INT_COMPACT_OFFSET
static Field	FIELD_STRING_CODER
static boolean	FIELD_STRING_CODER_ERROR
static long	FIELD_STRING_CODER_OFFSET
static Field	FIELD_STRING_VALUE
static boolean	FIELD_STRING_VALUE_ERROR
static long	FIELD_STRING_VALUE_OFFSET
static boolean	GRAAL
static boolean	HAS_SQL
static int	JVM_VERSION
static Byte	LATIN1
static MethodHandle	METHOD_HANDLE_HAS_NEGATIVE
static boolean	OPENJ9
static Predicate<byte[]>	PREDICATE_IS_ASCII
static ToIntFunction<String>	STRING_CODER
static BiFunction<byte[],Byte,String>	STRING_CREATOR_JDK11
static BiFunction<char[],Boolean,String>	STRING_CREATOR_JDK8
static Function<String,byte[]>	STRING_VALUE
static sun.misc.Unsafe	UNSAFE
static Byte	UTF16
static int	VECTOR_BIT_LENGTH
static boolean	VECTOR_SUPPORT

Constructor Summary

Constructors

Constructor	Description
JDKUtils()

Method Summary

Modifier and Type	Method	Description
static char[]	getCharArray(String str)
static boolean	isSQLDataSourceOrRowSet(Class<?> type)
static void	setReflectErrorLast(Throwable error)
static MethodHandles.Lookup	trustedLookup(Class objectClass)

Methods inherited from class java.lang.Object

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

Field Detail

UNSAFE

public static final sun.misc.Unsafe UNSAFE

ARRAY_BYTE_BASE_OFFSET

public static final long ARRAY_BYTE_BASE_OFFSET

ARRAY_CHAR_BASE_OFFSET

public static final long ARRAY_CHAR_BASE_OFFSET

JVM_VERSION

public static final int JVM_VERSION

LATIN1

public static final Byte LATIN1

UTF16

public static final Byte UTF16

FIELD_STRING_VALUE

public static final Field FIELD_STRING_VALUE

FIELD_STRING_VALUE_OFFSET

public static final long FIELD_STRING_VALUE_OFFSET

FIELD_STRING_VALUE_ERROR

public static volatile boolean FIELD_STRING_VALUE_ERROR

FIELD_DECIMAL_INT_COMPACT_OFFSET

public static final long FIELD_DECIMAL_INT_COMPACT_OFFSET

FIELD_BIGINTEGER_MAG_OFFSET

public static final long FIELD_BIGINTEGER_MAG_OFFSET

FIELD_STRING_CODER

public static final Field FIELD_STRING_CODER

FIELD_STRING_CODER_OFFSET

public static final long FIELD_STRING_CODER_OFFSET

FIELD_STRING_CODER_ERROR

public static volatile boolean FIELD_STRING_CODER_ERROR

HAS_SQL

public static final boolean HAS_SQL

ANDROID

public static final boolean ANDROID

GRAAL

public static final boolean GRAAL

OPENJ9

public static final boolean OPENJ9

ANDROID_SDK_INT

public static final int ANDROID_SDK_INT

CLASS_TRANSIENT

public static final Class CLASS_TRANSIENT

BIG_ENDIAN

public static final boolean BIG_ENDIAN

VECTOR_SUPPORT

public static final boolean VECTOR_SUPPORT

VECTOR_BIT_LENGTH

public static final int VECTOR_BIT_LENGTH

STRING_CREATOR_JDK8

public static final BiFunction<char[],Boolean,String> STRING_CREATOR_JDK8

STRING_CREATOR_JDK11

public static final BiFunction<byte[],Byte,String> STRING_CREATOR_JDK11

STRING_CODER

public static final ToIntFunction<String> STRING_CODER

STRING_VALUE

public static final Function<String,byte[]> STRING_VALUE

METHOD_HANDLE_HAS_NEGATIVE

public static final MethodHandle METHOD_HANDLE_HAS_NEGATIVE

PREDICATE_IS_ASCII

public static final Predicate<byte[]> PREDICATE_IS_ASCII

Constructor Detail

JDKUtils

public JDKUtils()

Method Detail

isSQLDataSourceOrRowSet

public static boolean isSQLDataSourceOrRowSet(Class<?> type)

setReflectErrorLast

public static void setReflectErrorLast(Throwable error)

getCharArray

public static char[] getCharArray(String str)

trustedLookup

public static MethodHandles.Lookup trustedLookup(Class objectClass)