- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * 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 com.vaadin.ui.declarative.converters;
-
- import java.util.Locale;
- import java.util.TimeZone;
-
- import com.vaadin.data.Result;
- 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<String, TimeZone> {
-
- @Override
- public Result<TimeZone> convertToModel(String value, Locale locale) {
- if (value == null || value.isEmpty()) {
- return Result.ok(null);
- }
-
- return Result.ok(TimeZone.getTimeZone(value));
- }
-
- @Override
- public String convertToPresentation(TimeZone value, Locale locale) {
- if (value == null) {
- return "";
- } else {
- return value.getID();
- }
- }
-
- }
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