/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -------------
* DateTick.java
* -------------
* (C) Copyright 2003-2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 07-Nov-2003 : Version 1 (DG);
* 13-May-2004 : Added equals() method (DG);
*
*/
package org.jfree.chart.axis;
import java.util.Date;
import org.jfree.ui.TextAnchor;
import org.jfree.util.ObjectUtilities;
/**
* A tick used by the {@link DateAxis} class.
*/
public class DateTick extends ValueTick {
/** The date. */
private Date date;
/**
* Creates a new date tick.
*
* @param date the date.
* @param label the label.
* @param textAnchor the part of the label that is aligned to the anchor
* point.
* @param rotationAnchor defines the rotation point relative to the text.
* @param angle the rotation angle (in radians).
*/
public DateTick(Date date, String label,
TextAnchor textAnchor, TextAnchor rotationAnchor,
double angle) {
super(date.getTime(), label, textAnchor, rotationAnchor, angle);
this.date = date;
}
/**
* Returns the date.
*
* @return The date.
*/
public Date getDate() {
return this.date;
}
/**
* Tests this tick for equality with an arbitrary object.
*
* @param obj the object to test (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof DateTick && super.equals(obj)) {
DateTick dt = (DateTick) obj;
if (!ObjectUtilities.equal(this.date, dt.date)) {
return false;
}
return true;
}
return false;
}
/**
* Returns a hash code for this object.
*
* @return A hash code.
*/
public int hashCode() {
return this.date.hashCode();
}
}
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