001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
006 *
007 * Project Info: http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * -------------
028 * DateTick.java
029 * -------------
030 * (C) Copyright 2003-2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): Peter Kolb (patch 1934255);
034 * Andrew Mickish (patch 1870189);
035 *
036 * Changes
037 * -------
038 * 07-Nov-2003 : Version 1 (DG);
039 * 13-May-2004 : Added equals() method (DG);
040 * 25-Sep-2008 : Added minor tick support, see patch 1934255 by Peter Kolb (DG);
041 *
042 */
043
044 package org.jfree.chart.axis;
045
046 import java.util.Date;
047
048 import org.jfree.ui.TextAnchor;
049 import org.jfree.util.ObjectUtilities;
050
051 /**
052 * A tick used by the {@link DateAxis} class.
053 */
054 public class DateTick extends ValueTick {
055
056 /** The date. */
057 private Date date;
058
059 /**
060 * Creates a new date tick.
061 *
062 * @param date the date.
063 * @param label the label.
064 * @param textAnchor the part of the label that is aligned to the anchor
065 * point.
066 * @param rotationAnchor defines the rotation point relative to the text.
067 * @param angle the rotation angle (in radians).
068 */
069 public DateTick(Date date, String label,
070 TextAnchor textAnchor, TextAnchor rotationAnchor,
071 double angle) {
072
073 this(TickType.MAJOR, date, label, textAnchor, rotationAnchor, angle);
074
075 }
076
077 /**
078 * Creates a new date tick.
079 *
080 * @param tickType the tick type.
081 * @param date the date.
082 * @param label the label.
083 * @param textAnchor the part of the label that is aligned to the anchor
084 * point.
085 * @param rotationAnchor defines the rotation point relative to the text.
086 * @param angle the rotation angle (in radians).
087 *
088 * @since 1.0.12
089 */
090 public DateTick(TickType tickType, Date date, String label,
091 TextAnchor textAnchor, TextAnchor rotationAnchor,
092 double angle) {
093
094 super(tickType, date.getTime(), label, textAnchor, rotationAnchor, angle);
095 this.date = date;
096
097 }
098
099 /**
100 * Returns the date.
101 *
102 * @return The date.
103 */
104 public Date getDate() {
105 return this.date;
106 }
107
108 /**
109 * Tests this tick for equality with an arbitrary object.
110 *
111 * @param obj the object to test (<code>null</code> permitted).
112 *
113 * @return A boolean.
114 */
115 public boolean equals(Object obj) {
116 if (obj == this) {
117 return true;
118 }
119 if (!(obj instanceof DateTick)) {
120 return false;
121 }
122 DateTick that = (DateTick) obj;
123 if (!ObjectUtilities.equal(this.date, that.date)) {
124 return false;
125 }
126 return super.equals(obj);
127 }
128
129 /**
130 * Returns a hash code for this object.
131 *
132 * @return A hash code.
133 */
134 public int hashCode() {
135 return this.date.hashCode();
136 }
137
138 }