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}