EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.vaadin.util.converter;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Locale;

import java.util.Set;

import com.vaadin.data.util.converter.Converter;

/**

 * @author a.kohlbecker

 * @since Jun 7, 2017

 *

 */

public final class SetToListConverter<V> implements Converter<List<V>, Set<V>> {

    private static final long serialVersionUID = -4453200532452354378L;

    @Override

    public Set<V> convertToModel(List<V> value, Class<? extends Set<V>> targetType, Locale locale)

            throws com.vaadin.data.util.converter.Converter.ConversionException {

        if(value != null){

            Set<V> set = new HashSet<>(value.size());

            set.addAll(value);

            return set;

        }

        return null;

    }

    @Override

    public List<V> convertToPresentation(Set<V> value, Class<? extends List<V>> targetType, Locale locale)

            throws com.vaadin.data.util.converter.Converter.ConversionException {

        if(value != null){

            List<V> list = new ArrayList<V>(value.size());

            list.addAll(value);

            return list;

        }

        return null;

    }

    @Override

    public Class<Set<V>> getModelType() {

        return ((Class)Set.class);

    }

    @Override

    public Class<List<V>> getPresentationType() {

        return ((Class)List.class);

    }

}