package io.dropwizard.jdbi.args;
import com.google.common.base.Optional;
import org.skife.jdbi.v2.StatementContext;
import org.skife.jdbi.v2.tweak.Argument;
import org.skife.jdbi.v2.tweak.ArgumentFactory;
import java.time.LocalDate;
/**
* An {@link ArgumentFactory} for {@link LocalDate} arguments wrapped by Guava's {@link Optional}.
*/
public class GuavaOptionalLocalDateArgumentFactory implements ArgumentFactory<Optional<LocalDate>> {
@Override
public boolean accepts(Class<?> expectedType, Object value, StatementContext ctx) {
if (value instanceof Optional) {
final Optional<?> optionalValue = (Optional<?>) value;
// Fall through to OptionalArgumentFactory if absent.
// Fall through to OptionalArgumentFactory if present, but not LocalDate.
return optionalValue.isPresent() && optionalValue.get() instanceof LocalDate;
}
return false;
}
@Override
public Argument build(Class<?> expectedType, Optional<LocalDate> value, StatementContext ctx) {
// accepts guarantees that the value is present
return new LocalDateArgument(value.get());
}
}