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.Locale;

import java.util.UUID;

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

/**

 * @author freimeier

 * @since 21.11.2017

 *

 */

abstract class UuidTitleStringConverter implements Converter<String, UUID> {

    private static final long serialVersionUID = -8596384308607670542L;

    /* (non-Javadoc)

     * @see com.vaadin.data.util.converter.Converter#convertToPresentation(java.lang.Object, java.lang.Class, java.util.Locale)

     */

    @Override

    public abstract String convertToPresentation(UUID value, Class<? extends String> targetType, Locale locale)

            throws ConversionException;

    /* (non-Javadoc)

     * @see com.vaadin.data.util.converter.Converter#convertToModel(java.lang.Object, java.lang.Class, java.util.Locale)

     */

    @Override

    public UUID convertToModel(String value, Class<? extends UUID> targetType, Locale locale) throws ConversionException {

        /*

         *  This converter is only used to convert UUIDs into a human readable form.

         *  The title string might not be unique and therefore can't reliably be converted to an UUID again.

         */

        throw new ConversionException("Title string might not be unique and therefore can't be converted to an UUID!");

    }

    /* (non-Javadoc)

     * @see com.vaadin.data.util.converter.Converter#getModelType()

     */

    @Override

    public Class<UUID> getModelType() {

        return UUID.class;

    }

    /* (non-Javadoc)

     * @see com.vaadin.data.util.converter.Converter#getPresentationType()

     */

    @Override

    public Class<String> getPresentationType() {

        return String.class;

    }

}