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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ------------- 28: * DateTick.java 29: * ------------- 30: * (C) Copyright 2003-2007, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * Changes 36: * ------- 37: * 07-Nov-2003 : Version 1 (DG); 38: * 13-May-2004 : Added equals() method (DG); 39: * 40: */ 41: 42: package org.jfree.chart.axis; 43: 44: import java.util.Date; 45: 46: import org.jfree.ui.TextAnchor; 47: import org.jfree.util.ObjectUtilities; 48: 49: /** 50: * A tick used by the {@link DateAxis} class. 51: */ 52: public class DateTick extends ValueTick { 53: 54: /** The date. */ 55: private Date date; 56: 57: /** 58: * Creates a new date tick. 59: * 60: * @param date the date. 61: * @param label the label. 62: * @param textAnchor the part of the label that is aligned to the anchor 63: * point. 64: * @param rotationAnchor defines the rotation point relative to the text. 65: * @param angle the rotation angle (in radians). 66: */ 67: public DateTick(Date date, String label, 68: TextAnchor textAnchor, TextAnchor rotationAnchor, 69: double angle) { 70: 71: super(date.getTime(), label, textAnchor, rotationAnchor, angle); 72: this.date = date; 73: 74: } 75: 76: /** 77: * Returns the date. 78: * 79: * @return The date. 80: */ 81: public Date getDate() { 82: return this.date; 83: } 84: 85: /** 86: * Tests this tick for equality with an arbitrary object. 87: * 88: * @param obj the object to test (<code>null</code> permitted). 89: * 90: * @return A boolean. 91: */ 92: public boolean equals(Object obj) { 93: if (obj == this) { 94: return true; 95: } 96: if (obj instanceof DateTick && super.equals(obj)) { 97: DateTick dt = (DateTick) obj; 98: if (!ObjectUtilities.equal(this.date, dt.date)) { 99: return false; 100: } 101: return true; 102: } 103: return false; 104: } 105: 106: /** 107: * Returns a hash code for this object. 108: * 109: * @return A hash code. 110: */ 111: public int hashCode() { 112: return this.date.hashCode(); 113: } 114: 115: }