org.hibernate.search.engine.cfg.spi

Class ConvertUtils

java.lang.Object

org.hibernate.search.engine.cfg.spi.ConvertUtils

public final class ConvertUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static <T> T	convert(Class<T> expectedType, Function<String,T> parser, Object value) Convert a property value to a given class, either by casting it if possible or by treating it as a string to be parsed.
static <T> BeanReference<? extends T>	convertBeanReference(Class<T> expectedType, Object value)
static BigDecimal	convertBigDecimal(Object value) Convert a property value from String to BigDecimal if necessary.
static BigInteger	convertBigInteger(Object value) Convert a property value from String to BigInteger if necessary.
static Boolean	convertBoolean(Object value) Convert a property value from String to boolean if necessary, allowing only either "true" or "false".
static Byte	convertByte(Object value) Convert a property value from String to byte if necessary.
static Double	convertDouble(Object value) Convert a property value from String to double if necessary.
static Float	convertFloat(Object value) Convert a property value from String to float if necessary.
static Integer	convertInteger(Object value) Convert a property value from String to int if necessary.
static Long	convertLong(Object value) Convert a property value from String to long if necessary.
static <T> List<T>	convertMultiValue(Pattern separatorPattern, Function<Object,T> elementConverter, Object value)
static Short	convertShort(Object value) Convert a property value from String to short if necessary.
static Object	trimIfString(Object value)

Methods inherited from class java.lang.Object

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

Method Detail

convert

public static <T> T convert(Class<T> expectedType,
                            Function<String,T> parser,
                            Object value)

Convert a property value to a given class, either by casting it if possible or by treating it as a string to be parsed.

Type Parameters:

T - The type of the returned value.

Parameters:

expectedType - the expected type

parser - a parser from String to the expected type

value - the value to convert (a String)

Returns:

the converted value

Throws:

SearchException - for invalid values.

convertBoolean

public static Boolean convertBoolean(Object value)

Convert a property value from String to boolean if necessary, allowing only either "true" or "false".

Parameters:

value - the value to convert (a Boolean, or a String to be parsed)

Returns:

true if value is "true", false if value is "false"

Throws:

SearchException - for invalid format or values.

convertInteger

public static Integer convertInteger(Object value)

Convert a property value from String to int if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted integer

Throws:

SearchException - for invalid format or values.

convertLong

public static Long convertLong(Object value)

Convert a property value from String to long if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted long

Throws:

SearchException - for invalid format or values.

convertByte

public static Byte convertByte(Object value)

Convert a property value from String to byte if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted byte

Throws:

SearchException - for invalid format or values.

convertShort

public static Short convertShort(Object value)

Convert a property value from String to short if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted short

Throws:

SearchException - for invalid format or values.

convertFloat

public static Float convertFloat(Object value)

Convert a property value from String to float if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted float

Throws:

SearchException - for invalid format or values.

convertDouble

public static Double convertDouble(Object value)

Convert a property value from String to double if necessary.

Parameters:

value - the value to convert (a Number, or a String to be parsed)

Returns:

the converted double

Throws:

SearchException - for invalid format or values.

convertBigDecimal

public static BigDecimal convertBigDecimal(Object value)

Convert a property value from String to BigDecimal if necessary.

Parameters:

value - the value to convert (a BigDecimal, a Number, or a String to be parsed)

Returns:

the converted BigDecimal

Throws:

SearchException - for invalid format or values.

convertBigInteger

public static BigInteger convertBigInteger(Object value)

Convert a property value from String to BigInteger if necessary.

Parameters:

value - the value to convert (a BigInteger, a Number, or a String to be parsed)

Returns:

the converted BigInteger

Throws:

SearchException - for invalid format or values.

convertBeanReference

public static <T> BeanReference<? extends T> convertBeanReference(Class<T> expectedType,
                                                                  Object value)

convertMultiValue

public static <T> List<T> convertMultiValue(Pattern separatorPattern,
                                            Function<Object,T> elementConverter,
                                            Object value)

trimIfString

public static Object trimIfString(Object value)