teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.model;
sascha@3210: 
christian@3279: import java.io.Serializable;
sascha@3210: import java.util.Date;
sascha@3210: 
mschaefer@9155: import org.dive4elements.artifacts.common.utils.DateUtils;
mschaefer@9155: 
gernotbelger@9214: public class DateRange implements Serializable {
christian@3279:     private static final long serialVersionUID = -2553914795388094818L;
sascha@3280: 
gernotbelger@9214:     private final Date from;
gernotbelger@9214:     private final Date to;
sascha@3210: 
mschaefer@9155:     public DateRange(final Date from, final Date to) {
sascha@3210:         this.from = from;
gernotbelger@9214:         this.to = to;
sascha@3210:     }
sascha@3210: 
sascha@3210:     public Date getFrom() {
mschaefer@9155:         return this.from;
sascha@3210:     }
sascha@3210: 
sascha@3210:     public Date getTo() {
mschaefer@9155:         return this.to;
sascha@3210:     }
sascha@3210: 
gernotbelger@9214:     private static final boolean equalDates(final Date a, final Date b) {
gernotbelger@9214:         if (a == null && b != null)
gernotbelger@9214:             return false;
sascha@3210: 
gernotbelger@9214:         if (a != null && b == null)
gernotbelger@9214:             return false;
gernotbelger@9214: 
gernotbelger@9214:         if (a == null)
gernotbelger@9214:             return true;
gernotbelger@9214: 
sascha@3210:         return a.equals(b);
sascha@3210:     }
sascha@3210: 
sascha@3210:     @Override
mschaefer@9155:     public boolean equals(final Object other) {
gernotbelger@9214:         if (!(other instanceof DateRange))
sascha@3210:             return false;
gernotbelger@9214: 
gernotbelger@9214:         final DateRange o = (DateRange) other;
mschaefer@9155:         return equalDates(this.from, o.from) && equalDates(this.to, o.to);
mschaefer@9155:     }
mschaefer@9155: 
mschaefer@9155:     public int getFromYear() {
mschaefer@9155:         return DateUtils.getYearFromDate(this.from);
mschaefer@9155:     }
mschaefer@9155: 
mschaefer@9155:     public int getToYear() {
mschaefer@9155:         return DateUtils.getYearFromDate(this.to);
sascha@3210:     }
gernotbelger@9214: }