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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.util.converter;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import com.vaadin.data.util.converter.Converter;
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/**
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 * @author a.kohlbecker
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 * @since Jun 7, 2017
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 *
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 */
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public final class SetToListConverter<V> implements Converter<List<V>, Set<V>> {
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    private static final long serialVersionUID = -4453200532452354378L;
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    @Override
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    public Set<V> convertToModel(List<V> value, Class<? extends Set<V>> targetType, Locale locale)
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            throws com.vaadin.data.util.converter.Converter.ConversionException {
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        if(value != null){
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            Set<V> set = new HashSet<>(value.size());
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            set.addAll(value);
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            return set;
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        }
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        return null;
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    }
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    @Override
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    public List<V> convertToPresentation(Set<V> value, Class<? extends List<V>> targetType, Locale locale)
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            throws com.vaadin.data.util.converter.Converter.ConversionException {
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        if(value != null){
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            List<V> list = new ArrayList<V>(value.size());
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            list.addAll(value);
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            return list;
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        }
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        return null;
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    }
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    @Override
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    public Class<Set<V>> getModelType() {
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        return ((Class)Set.class);
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    }
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    @Override
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    public Class<List<V>> getPresentationType() {
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        return ((Class)List.class);
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    }
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}