001/* ***** BEGIN LICENSE BLOCK *****
002 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
003 *
004 * The contents of this file are subject to the Mozilla Public License Version
005 * 1.1 (the "License"); you may not use this file except in compliance with
006 * the License. You may obtain a copy of the License at
007 * http://www.mozilla.org/MPL/
008 *
009 * Software distributed under the License is distributed on an "AS IS" basis,
010 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
011 * for the specific language governing rights and limitations under the
012 * License.
013 *
014 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
015 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
016 *
017 * The Initial Developer of the Original Code is
018 * Agfa Healthcare.
019 * Portions created by the Initial Developer are Copyright (C) 2011
020 * the Initial Developer. All Rights Reserved.
021 *
022 * Contributor(s):
023 * See @authors listed below
024 *
025 * Alternatively, the contents of this file may be used under the terms of
026 * either the GNU General Public License Version 2 or later (the "GPL"), or
027 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
028 * in which case the provisions of the GPL or the LGPL are applicable instead
029 * of those above. If you wish to allow use of your version of this file only
030 * under the terms of either the GPL or the LGPL, and not to allow others to
031 * use your version of this file under the terms of the MPL, indicate your
032 * decision by deleting the provisions above and replace them with the notice
033 * and other provisions required by the GPL or the LGPL. If you do not delete
034 * the provisions above, a recipient may use your version of this file under
035 * the terms of any one of the MPL, the GPL or the LGPL.
036 *
037 * ***** END LICENSE BLOCK ***** */
038
039package org.dcm4che3.data;
040
041import java.io.Serializable;
042import java.util.Date;
043
044/**
045 * @author Gunter Zeilinger <gunterze@gmail.com>
046 * 
047 */
048public class DateRange implements Serializable {
049
050    private static final long serialVersionUID = 88574297440294935L;
051
052    private final Date start;
053    private final Date end;
054
055    public DateRange(Date start, Date end) {
056        this.start = start;
057        this.end = end;
058    }
059
060    public final Date getStartDate() {
061        return start;
062    }
063
064    public final Date getEndDate() {
065        return end;
066    }
067
068    public boolean isStartDateExeedsEndDate() {
069        return start != null && end != null && start.after(end);
070    }
071
072    public boolean contains(Date when) {
073        return !(start != null && start.after(when)
074              || end != null && end.before(when));
075    }
076
077    @Override
078    public boolean equals(Object obj) {
079        if (obj == this)
080            return true;
081
082        if (!(obj instanceof DateRange))
083            return false;
084
085        DateRange other = (DateRange) obj;
086        return (start == null 
087                ? other.start == null
088                : start.equals(other.start)) 
089            && (end == null
090                ? other.end == null
091                : end.equals(other.end));
092    }
093
094    @Override
095    public int hashCode() {
096        int code = 0;
097        if (start != null)
098            code = start.hashCode();
099        if (end != null)
100            code ^= start.hashCode();
101        return code;
102    }
103
104    @Override
105    public String toString() {
106        return "[" + start + ", " + end + "]";
107    }
108
109}