程序包 org.meteoinfo.ndarray.util

类 DataTypeUtil

java.lang.Object

org.meteoinfo.ndarray.util.DataTypeUtil

public class DataTypeUtil
extends java.lang.Object

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
DataTypeUtil()

方法概要

修饰符和类型	方法	说明
static byte[]	bigToLittle(byte[] bytes)	Convert BigEndian to LittleEndian
static int	byte2Int(byte b)	Convert byte to int - byte in Java is signed
static double	bytes2Double(byte[] b, java.nio.ByteOrder byteOrder)	Byte array convert to double
static float	bytes2Float(byte[] b, java.nio.ByteOrder byteOrder)	Byte array convert to float
static int	bytes2Int(byte[] bytes)	Byte array convert to integer
static int	bytes2Int(byte[] bytes, java.nio.ByteOrder byteOrder)	Byte array convert to integer
static int	bytes2Int3(byte[] bytes)	Byte array (3 bytes) convert to integer
static java.lang.Long	bytes2Long(byte[] bytes, java.nio.ByteOrder byteOrder)	Byte array convert to long integer
static short	bytes2Short(byte[] bytes, java.nio.ByteOrder byteOrder)	Byte array convert to short integer
static char[]	convertByteToChar(byte[] byteArray)
static char[]	convertByteToCharUTF(byte[] byteArray)
static byte[]	convertCharToByte(char[] from)
static byte[]	convertCharToByteUTF(char[] from)
static java.lang.Object	convertStringTo(java.lang.String vStr, DataType dataType, java.lang.String dateFormat)	Convert input string data to current data type
static java.lang.Object	convertTo(java.lang.Object value, DataType dataType, java.lang.String dateFormat)	Convert input data to current data type
static DataType	detectDataType(java.util.List<java.lang.String> valuesList, int n, java.time.format.DateTimeFormatter dtFormatter)	Detect data type
static DataType	detectDataType(java.util.List<java.lang.String> valuesList, java.time.format.DateTimeFormatter dtFormatter)	Detect data type
static java.lang.String	doubleToString(double v)	Double to string
static byte[]	float2Bytes(float f, java.nio.ByteOrder byteOrder)	Convert float to byte array
static DataType	getDataType(java.lang.String format)	Get data type
static java.lang.String	getDateFormat(java.lang.String format)	Get date format string
static boolean	isBoolean(java.lang.String s)	Check a string is boolean or not
static boolean	isDouble(java.lang.String s)	Check a string is double or not
static boolean	isFloat(java.lang.String s)	Check a string is float or not
static boolean	isInteger(java.lang.String s)	Check a string is integer or not
static boolean	isLocalDate(java.lang.String s, java.time.format.DateTimeFormatter dateTimeFormatter)	Check a string is local date or not
static boolean	isLocalDateTime(java.lang.String s, java.time.format.DateTimeFormatter formatter)	Check a string is local date time or not
static boolean	isLocalTime(java.lang.String s, java.time.format.DateTimeFormatter formatter)	Check a string is local time or not
static byte[]	littleToBig(byte[] bytes)	Convert LittleEndian to BigEndian
static java.lang.String	removeTail0(java.lang.String str)	Remove last zero chars
static java.lang.String	removeTailingZeros(java.lang.String s)	Remove tail zero
static java.lang.Object	resizeArray(java.lang.Object oldArray, int newSize)	Resize array
static double[][]	resizeArray2D(double[][] oldArray, int newSize)	Resize double 2d array
static byte[]	toByte_bak1(java.util.BitSet bits)
static byte[]	toByteArray(java.util.BitSet bits)
static byte[]	toByteArray_bak(java.util.BitSet bitSet)
static byte[]	toBytes(float f)	Convert float to byte array
static byte[]	toBytes(int i)	Convert int to byte array.
static byte[]	toLittleBytes(float f)	Convert float to byte array
static byte[]	toLittleBytes(int i)	Convert int to byte array - LittleEndian
static byte[]	toUint2Int(int i)	Convert int to 2 byte array.
static byte[]	toUint3Int(int i)	Convert int to 3 byte array.
static byte[]	toUintNInt(int i, int n)	Convert int to N byte array.

从类继承的方法 java.lang.Object

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

构造器详细资料

DataTypeUtil

public DataTypeUtil()

方法详细资料

convertByteToCharUTF

public static char[] convertByteToCharUTF(byte[] byteArray)

convertCharToByteUTF

public static byte[] convertCharToByteUTF(char[] from)

convertByteToChar

public static char[] convertByteToChar(byte[] byteArray)

convertCharToByte

public static byte[] convertCharToByte(char[] from)

bytes2Float

public static float bytes2Float(byte[] b,
                                java.nio.ByteOrder byteOrder)

Byte array convert to float

参数:

b - Byte array

byteOrder - Byte order

返回:

Float value

bytes2Double

public static double bytes2Double(byte[] b,
                                  java.nio.ByteOrder byteOrder)

Byte array convert to double

参数:

b - Byte array

byteOrder - Byte order

返回:

Double value

bytes2Int

public static int bytes2Int(byte[] bytes,
                            java.nio.ByteOrder byteOrder)

Byte array convert to integer

参数:

bytes - Byte array

byteOrder - Byte order

返回:

Integer value

bytes2Short

public static short bytes2Short(byte[] bytes,
                                java.nio.ByteOrder byteOrder)

Byte array convert to short integer

参数:

bytes - Byte array

byteOrder - Byte order

返回:

Short integer value

bytes2Long

public static java.lang.Long bytes2Long(byte[] bytes,
                                        java.nio.ByteOrder byteOrder)

Byte array convert to long integer

参数:

bytes - Byte array

byteOrder - Byte order

返回:

Long integer value

bytes2Int

public static int bytes2Int(byte[] bytes)

Byte array convert to integer

参数:

bytes - byte array

返回:

Integer value

bytes2Int3

public static int bytes2Int3(byte[] bytes)

Byte array (3 bytes) convert to integer

参数:

bytes - Byte array

返回:

Integer value

byte2Int

public static int byte2Int(byte b)

Convert byte to int - byte in Java is signed

参数:

b - Input byte

返回:

Output integer

littleToBig

public static byte[] littleToBig(byte[] bytes)

Convert LittleEndian to BigEndian

参数:

bytes - Input LittleEndian byte array

返回:

Output BigEndian byte array

bigToLittle

public static byte[] bigToLittle(byte[] bytes)

Convert BigEndian to LittleEndian

参数:

bytes - Input BigEndian byte array

返回:

Output LittleEndian byte array

toBytes

public static byte[] toBytes(int i)

Convert int to byte array.

参数:

i - Int value

返回:

Byte array

toUint3Int

public static byte[] toUint3Int(int i)

Convert int to 3 byte array.

参数:

i - Int value

返回:

Byte array

toUint2Int

public static byte[] toUint2Int(int i)

Convert int to 2 byte array.

参数:

i - Int value

返回:

Byte array

toUintNInt

public static byte[] toUintNInt(int i,
                                int n)

Convert int to N byte array.

参数:

i - Int value

n - bit number

返回:

Byte array

toLittleBytes

public static byte[] toLittleBytes(int i)

Convert int to byte array - LittleEndian

参数:

i - Int value

返回:

Byte array

toBytes

public static byte[] toBytes(float f)

Convert float to byte array

参数:

f - Float value

返回:

Byte array

float2Bytes

public static byte[] float2Bytes(float f,
                                 java.nio.ByteOrder byteOrder)

Convert float to byte array

参数:

f - Float value

byteOrder - ByteOrder

返回:

Byte array

toLittleBytes

public static byte[] toLittleBytes(float f)

Convert float to byte array

参数:

f - Float array

返回:

Byte array

resizeArray

public static java.lang.Object resizeArray(java.lang.Object oldArray,
                                           int newSize)

Resize array

参数:

oldArray - Old array

newSize - New size

返回:

Resized array

resizeArray2D

public static double[][] resizeArray2D(double[][] oldArray,
                                       int newSize)

Resize double 2d array

参数:

oldArray - Old array

newSize - New size

返回:

Resized array

doubleToString

public static java.lang.String doubleToString(double v)

Double to string

参数:

v - The double value

返回:

Result string

removeTailingZeros

public static java.lang.String removeTailingZeros(java.lang.String s)

Remove tail zero

参数:

s - The string

返回:

Result string

removeTail0

public static java.lang.String removeTail0(java.lang.String str)

Remove last zero chars

参数:

str - String

返回:

Result string

toByte_bak1

public static byte[] toByte_bak1(java.util.BitSet bits)

toByteArray

public static byte[] toByteArray(java.util.BitSet bits)

toByteArray_bak

public static byte[] toByteArray_bak(java.util.BitSet bitSet)

convertTo

public static java.lang.Object convertTo(java.lang.Object value,
                                         DataType dataType,
                                         java.lang.String dateFormat)

Convert input data to current data type

参数:

value - Data value

dataType - Data type

dateFormat - Date format

返回:

Converted data

convertStringTo

public static java.lang.Object convertStringTo(java.lang.String vStr,
                                               DataType dataType,
                                               java.lang.String dateFormat)

Convert input string data to current data type

参数:

vStr - String value

dataType - Data type

dateFormat - Date format

返回:

Converted data

getDataType

public static DataType getDataType(java.lang.String format)

Get data type

参数:

format - Format string

返回:

Data type

getDateFormat

public static java.lang.String getDateFormat(java.lang.String format)

Get date format string

参数:

format - Format string

返回:

Date format string

isDouble

public static boolean isDouble(java.lang.String s)

Check a string is double or not

参数:

s - The string

返回:

Boolean

isFloat

public static boolean isFloat(java.lang.String s)

Check a string is float or not

参数:

s - The string

返回:

Boolean

isInteger

public static boolean isInteger(java.lang.String s)

Check a string is integer or not

参数:

s - The string

返回:

Boolean

isBoolean

public static boolean isBoolean(java.lang.String s)

Check a string is boolean or not

参数:

s - The string

返回:

Boolean

isLocalDate

public static boolean isLocalDate(java.lang.String s,
                                  java.time.format.DateTimeFormatter dateTimeFormatter)

Check a string is local date or not

参数:

s - The string

dateTimeFormatter - DateTimeFormatter

返回:

isLocalTime

public static boolean isLocalTime(java.lang.String s,
                                  java.time.format.DateTimeFormatter formatter)

Check a string is local time or not

参数:

s - The string

formatter - DateTimeFormatter

返回:

isLocalDateTime

public static boolean isLocalDateTime(java.lang.String s,
                                      java.time.format.DateTimeFormatter formatter)

Check a string is local date time or not

参数:

s - The string

formatter - DateTimeFormatter

返回:

detectDataType

public static DataType detectDataType(java.util.List<java.lang.String> valuesList,
                                      java.time.format.DateTimeFormatter dtFormatter)

Detect data type

参数:

valuesList - Values list

dtFormatter - DateIimeFormatter

返回:

Data type

detectDataType

public static DataType detectDataType(java.util.List<java.lang.String> valuesList,
                                      int n,
                                      java.time.format.DateTimeFormatter dtFormatter)

Detect data type

参数:

valuesList - Values list

n - Value number used for detect

dtFormatter - DateIimeFormatter

返回:

Data type