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

import eu.etaxonomy.cdm.common.URI;

/**

 * Creates a link from the values in the column.

 *

 * @author a.kohlbecker

 * @since Mar 7, 2017

 */

public final class UriConverter implements Converter<String, URI> {

    private static final long serialVersionUID = -6695362724769275484L;

    public UriConverter() {

    }

    @Override

    public Class<URI> getModelType() {

        return URI.class;

    }

    @Override

    public Class<String> getPresentationType() {

        return String.class;

    }

    @Override

    public URI convertToModel(String value, Class<? extends URI> targetType, Locale locale)

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

        if(value != null){

            value = value.trim();

            if(!value.isEmpty()){

                try{

                    URI uri = new URI(value.trim());

                    return uri;

                } catch (Exception e){

                    throw new com.vaadin.data.util.converter.Converter.ConversionException(e);

                }

            }

        }

        return null;

    }

    @Override

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

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

        if(value != null){

            try{

                return value.toString();

            } catch (Exception e){

                throw new com.vaadin.data.util.converter.Converter.ConversionException(e);

            }

        }

        return null;

    }

}