annis.gui.converter.DateTimeStringConverter.java Source code

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Here is the source code for annis.gui.converter.DateTimeStringConverter.java

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/*
 * Copyright 2014 Corpuslinguistic working group Humboldt University Berlin.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package annis.gui.converter;

import com.vaadin.data.util.converter.Converter;
import java.util.Locale;
import org.joda.time.DateTime;
import org.joda.time.format.ISODateTimeFormat;

/**
 *
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class DateTimeStringConverter implements Converter<String, DateTime> {
    @Override
    public DateTime convertToModel(String value, Class<? extends DateTime> targetType, Locale locale)
            throws ConversionException {
        if (value == null) {
            return null;
        }
        return ISODateTimeFormat.dateParser().parseDateTime(value);
    }

    @Override
    public String convertToPresentation(DateTime value, Class<? extends String> targetType, Locale locale)
            throws ConversionException {
        if (value == null) {
            return null;
        }
        return ISODateTimeFormat.date().print(value);
    }

    @Override
    public Class<DateTime> getModelType() {
        return DateTime.class;
    }

    @Override
    public Class<String> getPresentationType() {
        return String.class;
    }

}