com.vaadin.ui.declarative.converters.DesignTimeZoneConverter Maven / Gradle / Ivy
/*
* Vaadin Framework 7
*
* Copyright (C) 2000-2024 Vaadin Ltd
*
* This program is available under Vaadin Commercial License and Service Terms.
*
* See for the full
* license.
*/
package com.vaadin.ui.declarative.converters;
import java.util.Locale;
import java.util.TimeZone;
import com.vaadin.data.util.converter.Converter;
import com.vaadin.ui.declarative.DesignAttributeHandler;
/**
* Utility class for {@link DesignAttributeHandler} that deals with converting
* various TimeZones to string.
*
* @since 7.4
* @author Vaadin Ltd
*/
public class DesignTimeZoneConverter implements Converter {
@Override
public TimeZone convertToModel(String value,
Class targetTimeZone, Locale locale)
throws Converter.ConversionException {
if (value == null || value.isEmpty()) {
return null;
}
return TimeZone.getTimeZone(value);
}
@Override
public String convertToPresentation(TimeZone value,
Class targetTimeZone, Locale locale)
throws Converter.ConversionException {
if (value == null) {
return "";
} else {
return value.getID();
}
}
@Override
public Class getModelType() {
return TimeZone.class;
}
@Override
public Class getPresentationType() {
return String.class;
}
}