org.bbottema.javareflection.valueconverter.converters.BooleanConverters Maven / Gradle / Ivy
package org.bbottema.javareflection.valueconverter.converters;
import lombok.experimental.UtilityClass;
import org.bbottema.javareflection.util.Function;
import org.bbottema.javareflection.util.Function.Functions;
import org.bbottema.javareflection.valueconverter.ValueFunction;
import org.bbottema.javareflection.valueconverter.ValueFunction.ValueFunctionImpl;
import java.util.ArrayList;
import java.util.Collection;
/**
* Attempts to convert a Boolean
to the target datatype.
*
* Conversions are as follows:
*
* - Boolean (or boolean):
value
* - String:
value.toString()
* - Number (or primitive number): 0 or 1
*
*/
@UtilityClass
public final class BooleanConverters {
public static final Collection> BOOLEAN_CONVERTERS = produceBooleanConverters();
private static Collection> produceBooleanConverters() {
ArrayList> converters = new ArrayList<>();
converters.add(new ValueFunctionImpl<>(boolean.class, Boolean.class, Functions.identity()));
converters.add(new ValueFunctionImpl<>(Boolean.class, boolean.class, Functions.identity()));
converters.add(new ValueFunctionImpl<>(boolean.class, boolean.class, Functions.identity()));
converters.add(new ValueFunctionImpl<>(Boolean.class, Boolean.class, Functions.identity()));
converters.add(new ValueFunctionImpl<>(Boolean.class, String.class, Functions.simpleToString()));
converters.add(new ValueFunctionImpl<>(Boolean.class, Number.class, new BooleanToNumberFunction()));
return converters;
}
private static class BooleanToNumberFunction implements Function {
@Override
public Number apply(Boolean value) {
return value ? 1 : 0;
}
}
}