DateCriterion.java

/* 
 * (c) 2008- RANDI2 Core Development Team
 * 
 * This file is part of RANDI2.
 * 
 * RANDI2 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.
 * 
 * RANDI2 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
 * RANDI2. If not, see <http://www.gnu.org/licenses/>.
 */
package de.randi2.model.criteria;

import java.util.ArrayList;
import java.util.GregorianCalendar;
import java.util.List;

import javax.persistence.Entity;

import de.randi2.model.criteria.constraints.DateConstraint;
import de.randi2.unsorted.ConstraintViolatedException;

@Entity
public class DateCriterion extends
		AbstractCriterion<GregorianCalendar, DateConstraint> {

	private static final long serialVersionUID = -2091043770001920047L;

	@Override
	public void isValueCorrect(GregorianCalendar value)
			throws ConstraintViolatedException {
		if (value == null) {
			throw new ConstraintViolatedException();
		} else if (inclusionConstraint != null) {
			inclusionConstraint.isValueCorrect(value);
		}
	}

	@Override
	public List<GregorianCalendar> getConfiguredValues() {
		List<GregorianCalendar> list = new ArrayList<GregorianCalendar>();
		if (strata != null) {
			for (DateConstraint cons : strata) {
				if (cons.getFirstDate() != null && cons.getSecondDate() != null) {
					long time = cons.getSecondDate().getTimeInMillis()
							- cons.getFirstDate().getTimeInMillis();
					time = time / 2;
					time = cons.getFirstDate().getTimeInMillis() + time;
					GregorianCalendar cal = new GregorianCalendar();
					cal.setTimeInMillis(time);
					list.add(cal);
				} else if (cons.getSecondDate() == null) {
					list.add(cons.getFirstDate());
				} else if (cons.getFirstDate() == null) {
					list.add(cons.getSecondDate());
				}
			}
		}
		return list;
	}

	@Override
	public Class<DateConstraint> getContstraintType() {
		return DateConstraint.class;
	}
	
	@Override
	public void setInclusionConstraint(DateConstraint inclusionConstraint) throws ConstraintViolatedException {
			this.inclusionConstraint = inclusionConstraint;
	}

}