be.fedict.eid.applet.service.impl.tlv.DateOfProtectionDataConvertor.java Source code

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Here is the source code for be.fedict.eid.applet.service.impl.tlv.DateOfProtectionDataConvertor.java

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/*
 * eID Applet Project.
 * Copyright (C) 2015 e-Contract.be BVBA.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.applet.service.impl.tlv;

import java.util.GregorianCalendar;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class DateOfProtectionDataConvertor implements DataConvertor<GregorianCalendar> {

    private static final Log LOG = LogFactory.getLog(DateOfProtectionDataConvertor.class);

    @Override
    public GregorianCalendar convert(byte[] value) throws DataConvertorException {
        LOG.debug("DateAndCountryOfProtection size: " + value.length);
        if (0 == value.length) {
            return null;
        }
        String dateStr = new String(value);
        LOG.debug("DateAndCountryOfProtection: \"" + dateStr + "\"");
        try {
            int day = Integer.parseInt(dateStr.substring(0, 2));
            int month = Integer.parseInt(dateStr.substring(3, 5));
            int year = Integer.parseInt(dateStr.substring(6, 10));
            GregorianCalendar calendar = new GregorianCalendar(year, month - 1, day);
            return calendar;
        } catch (Exception e) {
            LOG.error("error parsing DateOfProtection: " + e.getMessage(), e);
            return null;
        }
    }
}