Package com.ultikits.ultitools.config.convert.builtin

Class ScalarConverter

java.lang.Object

com.ultikits.ultitools.config.convert.builtin.ScalarConverter

All Implemented Interfaces:

ConfigConverter<Object>

@Internal
public final class ScalarConverter
extends Object
implements ConfigConverter<Object>

Exact scalar conversions; numeric decisions never narrow through a double cast.

Field Summary

Fields

Modifier and Type	Field	Description
private final Class<?>	target

Constructor Summary

Constructors

Constructor	Description
ScalarConverter(Class<?> target)

Method Summary

Modifier and Type	Method	Description
private static BigDecimal	decimal(Object value)
private static ConversionException	failure(ConversionContext ctx, String message)
Object	fromPlain(Object plain, ConversionContext ctx)	Converts plain data to a Java value.
private static boolean	nonfinite(Object value)
Object	toPlain(Object value, ConversionContext ctx)	Converts a Java value to plain data.

Methods inherited from class java.lang.Object

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

Field Details

target

private final Class<?> target

Constructor Details

ScalarConverter

public ScalarConverter(Class<?> target)

Parameters:

target - the scalar target, primitive or wrapper

Method Details

toPlain

public Object toPlain(Object value,
 ConversionContext ctx)
               throws ConversionException

Description copied from interface: ConfigConverter

Converts a Java value to plain data.

Specified by:

toPlain in interface ConfigConverter<Object>

Parameters:

value - the Java value

ctx - the immutable conversion location and recursive dispatcher

Returns:

plain data

Throws:

ConversionException - when conversion cannot preserve the value

fromPlain

public Object fromPlain(Object plain,
 ConversionContext ctx)
                 throws ConversionException

Description copied from interface: ConfigConverter

Converts plain data to a Java value.

Specified by:

fromPlain in interface ConfigConverter<Object>

Parameters:

plain - the value read from the document

ctx - the immutable conversion location and recursive dispatcher

Returns:

the Java value

Throws:

ConversionException - when the input cannot be converted

decimal

private static BigDecimal decimal(Object value)

nonfinite

private static boolean nonfinite(Object value)

failure

private static ConversionException failure(ConversionContext ctx,
 String message)