org.kemri.wellcome.dhisreport.api.utils.WeeklyPeriod.java Source code

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Here is the source code for org.kemri.wellcome.dhisreport.api.utils.WeeklyPeriod.java

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/**
 *  Copyright 2012 Society for Health Information Systems Programmes, India (HISP India)
 *
 *  This file is part of DHIS2 Reporting module.
 *
 *  DHIS2 Reporting module is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
    
 *  DHIS2 Reporting module 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with DHIS2 Reporting module.  If not, see <http://www.gnu.org/licenses/>.
 *
 **/
package org.kemri.wellcome.dhisreport.api.utils;

import java.text.SimpleDateFormat;
import java.util.Date;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;

/**
 * Class to create period for weekly reporting. 
 * You can also mention just the week number in ISO8601 and initializes startDate and endDate
 */
public class WeeklyPeriod implements Period {

    public static final String ISO_FORMAT = "yyyy'W'ww";

    protected Date startDate;

    protected Date endDate;

    @Override
    public Date getStart() {
        return startDate;
    }

    @Override
    public Date getEnd() {
        return endDate;
    }

    public WeeklyPeriod(Date date) {
        DateTime dt = new DateTime(date);
        startDate = dt.withDayOfWeek(DateTimeConstants.MONDAY).toDate();
        endDate = dt.withDayOfWeek(DateTimeConstants.SUNDAY).withTime(23, 59, 59, 999).toDate();
    }

    @Override
    public String getAsIsoString() {
        return new SimpleDateFormat(ISO_FORMAT).format(getStart());
    }

}