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package org.bndly.common.converter.impl;

/*-
 * #%L
 * Converter
 * %%
 * Copyright (C) 2013 - 2020 Cybercon GmbH
 * %%
 * 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.
 * #L%
 */

import org.bndly.common.converter.api.ConversionException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.osgi.service.component.annotations.Component;

@Component(service = org.bndly.common.converter.api.Converter.class, immediate = true)
public class DateStringConverter extends AbstractPrimitiveStringConverter {

	private SimpleDateFormat getSimpleDateFormat() {
		return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
	}

	public DateStringConverter() {
		super(Date.class);
	}

	@Override
	public String convert(Date source) throws ConversionException {
		if (source == null) {
			return null;
		}
		return getSimpleDateFormat().format(source);
	}

	@Override
	public Date reverseConvert(String source) throws ConversionException {
		if (source == null) {
			return null;
		}
		try {
			Date d = getSimpleDateFormat().parse(source);
			return d;
		} catch (ParseException ex) {
			throw new ConversionException(sourceType, source, "could not convert string to " + sourceType.getName());
		}
	}

}