com.kidsoncoffee.cheesecakes.runner.parameter.converter.DefaultConverterExtractor Maven / Gradle / Ivy
package com.kidsoncoffee.cheesecakes.runner.parameter.converter;
import com.kidsoncoffee.cheesecakes.Parameter;
import java.util.Comparator;
import java.util.List;
import java.util.Optional;
/**
* Provides an implementation of {@link ParameterConverterExtractor} that extracts {@link
* Parameter.Converter}s from a list of {@link Parameter.Schema}s matching a set of {@link
* Parameter.RegistrableConverter}s.
*
* These converters are considered default because they deal with usual Java language
* transformations.
*
* @author fernando.chovich
* @since 1.0
*/
public class DefaultConverterExtractor
implements ParameterConverterExtractor> {
/** The list of default converters. */
private final List defaultConverters;
/**
* Constructs the extract with a list of default converters.
*
* @param defaultConverters The list to pull the converters from.
*/
public DefaultConverterExtractor(final List defaultConverters) {
this.defaultConverters = defaultConverters;
}
/**
* Extracts an array of {@link Parameter.Converter} optionals from the list of {@link
* Parameter.Schema}. The array returned is the same size of the given list of {@link
* Parameter.Schema}s. If the {@link Parameter.Schema#getType()} does not match any converter an
* empty optional is assigned to the respective position in the array.
*
* @param schemas The schemas to extract the converters from.
* @return An array of converter optionals.
*/
@Override
public Optional[] extract(final List schemas) {
return schemas.stream()
.sorted(Comparator.comparingInt(Parameter.Schema::getOverallOrder))
.map(
schema ->
this.defaultConverters.stream().filter(c -> c.test(schema.getType())).findFirst())
.toArray(Optional[]::new);
}
}