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- /*
- * 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.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Locale;
-
- import com.vaadin.data.Result;
- import com.vaadin.data.util.converter.Converter;
- import com.vaadin.ui.declarative.DesignAttributeHandler;
-
- /**
- * A date converter to be used by {@link DesignAttributeHandler}. Provides
- * ISO-compliant way of storing date and time.
- *
- * @since 7.4
- * @author Vaadin Ltd
- */
- public class DesignDateConverter implements Converter<String, Date> {
-
- @Override
- public Result<Date> convertToModel(String value, Locale locale) {
- for (String pattern : new String[] { "yyyy-MM-dd HH:mm:ssZ",
- "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM-dd HH",
- "yyyy-MM-dd", "yyyy-MM", "yyyy" }) {
- try {
- return Result.ok(new SimpleDateFormat(pattern).parse(value));
- } catch (ParseException e) {
- // not parseable, ignore and try another format
- }
- }
- return Result.error("Could not parse date value: " + value);
- }
-
- @Override
- public String convertToPresentation(Date value, Locale locale) {
- return new SimpleDateFormat("yyyy-MM-dd HH:mm:ssZ").format(value);
- }
-
- }
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