org.dbrain.data

Class Casts

java.lang.Object

org.dbrain.data.Casts

public class Casts
extends Object

Methods used to cast values to specific types. Unless noted, those functions handle null fluently so you can call func1(func2(func3(x))) without worrying that x might be null.

Constructor Summary

Constructors

Constructor and Description
Casts()

Method Summary

Modifier and Type	Method and Description
static <T> T	identity(T o)
static BigDecimal	toBigDecimal(Object o) Cast object to BigDecimal.
static BigDecimal	toBigDecimal(String o) Cast string to BigDecimal.
static BigInteger	toBigInteger(Object o) Cast object to BigInteger.
static BigInteger	toBigInteger(String o) Cast String to BigInteger.
static Boolean	toBoolean(Object o) Cast object to Boolean.
static Boolean	toBoolean(String o) Cast string to boolean.
static Byte	toByte(BigDecimal bigDecimal) Cast BigDecimal to byte.
static Byte	toByte(Object o) Cast object to byte.
static Byte	toByte(String o) Cast string to byte.
static Date	toDate(DateFormat format, String value)
static Double	toDouble(Object o) Cast object to Double.
static Double	toDouble(String o) Cast String to double.
static <T extends Enum<T>> T	toEnum(Class<T> enumClass, String name) Cast a name to an enum.
static String	toEnumName(Enum e) Cast an enum to enum name, null safe.
static Float	toFloat(Object o) Cast object to Float.
static Float	toFloat(String o) Cast String to float.
static Integer	toInteger(BigDecimal bigDecimal) Cast BigDecimal to integer.
static Integer	toInteger(Object o) Cast object to integer.
static Integer	toInteger(String o) Cast string to integer.
static LocalDate	toLocalDate(Date date) Convert a date to local date using system's timezone.
static LocalDate	toLocalDate(Date date, ZoneId zoneId) Convert a date to LocalDate.
static Long	toLong(BigDecimal bigDecimal) Cast BigDecimal to Long.
static Long	toLong(Object o) Cast object to long.
static Long	toLong(String o) Cast object to long.
static Short	toShort(BigDecimal bigDecimal) Cast BigDecimal to short.
static Short	toShort(Object o) Cast object to Short.
static Short	toShort(String o) cast string to short.
static Date	toSqlDate(Date date) Cast date to sql date.
static Date	toSqlDate(DateFormat format, String value)
static Date	toSqlDate(LocalDate date) Cast date to sql date.
static Time	toSqlTime(Date date) Cast date to sql time.
static Time	toSqlTime(DateFormat format, String time) Cast string to sql time.
static Timestamp	toSqlTimestamp(Date date) Cast date to sql timestamp.
static String	toString(Object o) Cast object to String (null-safe).

Methods inherited from class java.lang.Object

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

Constructor Detail

Casts

public Casts()

Method Detail

identity

public static <T> T identity(T o)

Type Parameters:

T -

Parameters:

o -

Returns:

toBigDecimal

public static BigDecimal toBigDecimal(String o)

Cast string to BigDecimal.

toBigDecimal

public static BigDecimal toBigDecimal(Object o)

Cast object to BigDecimal.

toBigInteger

public static BigInteger toBigInteger(String o)

Cast String to BigInteger.

toBigInteger

public static BigInteger toBigInteger(Object o)

Cast object to BigInteger.

toDouble

public static Double toDouble(String o)

Cast String to double.

toDouble

public static Double toDouble(Object o)

Cast object to Double.

toFloat

public static Float toFloat(String o)

Cast String to float.

toFloat

public static Float toFloat(Object o)

Cast object to Float.

toLong

public static Long toLong(BigDecimal bigDecimal)

Cast BigDecimal to Long.

toLong

public static Long toLong(String o)

Cast object to long.

toLong

public static Long toLong(Object o)

Cast object to long.

toInteger

public static Integer toInteger(BigDecimal bigDecimal)

Cast BigDecimal to integer.

toInteger

public static Integer toInteger(String o)

Cast string to integer.

toInteger

public static Integer toInteger(Object o)

Cast object to integer.

toShort

public static Short toShort(BigDecimal bigDecimal)

Cast BigDecimal to short.

toShort

public static Short toShort(String o)

cast string to short.

toShort

public static Short toShort(Object o)

Cast object to Short.

toByte

public static Byte toByte(BigDecimal bigDecimal)

Cast BigDecimal to byte.

toByte

public static Byte toByte(String o)

Cast string to byte.

toByte

public static Byte toByte(Object o)

Cast object to byte.

toString

public static String toString(Object o)

Cast object to String (null-safe).

toEnumName

public static String toEnumName(Enum e)

Cast an enum to enum name, null safe.

toEnum

public static <T extends Enum<T>> T toEnum(Class<T> enumClass,
                                           String name)

Cast a name to an enum. Null-safe.

toBoolean

public static Boolean toBoolean(String o)

Cast string to boolean.

toBoolean

public static Boolean toBoolean(Object o)

Cast object to Boolean.

toLocalDate

public static LocalDate toLocalDate(Date date,
                                    ZoneId zoneId)

Convert a date to LocalDate.

toLocalDate

public static LocalDate toLocalDate(Date date)

Convert a date to local date using system's timezone.

toDate

public static Date toDate(DateFormat format,
                          String value)

toSqlDate

public static Date toSqlDate(DateFormat format,
                             String value)

toSqlDate

public static Date toSqlDate(Date date)

Cast date to sql date.

toSqlDate

public static Date toSqlDate(LocalDate date)

Cast date to sql date.

toSqlTime

public static Time toSqlTime(Date date)

Cast date to sql time.

toSqlTime

public static Time toSqlTime(DateFormat format,
                             String time)

Cast string to sql time.

toSqlTimestamp

public static Timestamp toSqlTimestamp(Date date)

Cast date to sql timestamp.