    001/* ===========================================================
    002 * JFreeChart : a free chart library for the Java(tm) platform
    003 * ===========================================================
    004 *
    005 * (C) Copyright 2000-2011, 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 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    025 * Other names may be trademarks of their respective owners.]
    026 *
    027 * -------------
    028 * DateTick.java
    029 * -------------
    030 * (C) Copyright 2003-2009, 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
    044package org.jfree.chart.axis;
    045
    046import java.util.Date;
    047
    048import org.jfree.ui.TextAnchor;
    049import org.jfree.util.ObjectUtilities;
    050
    051/**
    052 * A tick used by the {@link DateAxis} class.
    053 */
    054public 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,
    095                angle);
    096        this.date = date;
    097
    098    }
    099
    100    /**
    101     * Returns the date.
    102     *
    103     * @return The date.
    104     */
    105    public Date getDate() {
    106        return this.date;
    107    }
    108
    109    /**
    110     * Tests this tick for equality with an arbitrary object.
    111     *
    112     * @param obj  the object to test (<code>null</code> permitted).
    113     *
    114     * @return A boolean.
    115     */
    116    public boolean equals(Object obj) {
    117        if (obj == this) {
    118            return true;
    119        }
    120        if (!(obj instanceof DateTick)) {
    121            return false;
    122        }
    123        DateTick that = (DateTick) obj;
    124        if (!ObjectUtilities.equal(this.date, that.date)) {
    125            return false;
    126        }
    127        return super.equals(obj);
    128    }
    129
    130    /**
    131     * Returns a hash code for this object.
    132     *
    133     * @return A hash code.
    134     */
    135    public int hashCode() {
    136        return this.date.hashCode();
    137    }
    138
    139}