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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2005, 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: * CategoryLabelWidthType.java 29: * --------------------------- 30: * (C) Copyright 2004, 2005, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * $Id: CategoryLabelWidthType.java,v 1.4.2.1 2005/10/25 20:37:34 mungady Exp $ 36: * 37: * Changes: 38: * -------- 39: * 24-Mar-2004 : Version 1 (DG); 40: * 41: */ 42: 43: package org.jfree.chart.axis; 44: 45: import java.io.ObjectStreamException; 46: import java.io.Serializable; 47: 48: /** 49: * Represents the width types for a category label. 50: */ 51: public final class CategoryLabelWidthType implements Serializable { 52: 53: /** For serialization. */ 54: private static final long serialVersionUID = -6976024792582949656L; 55: 56: /** Percentage of category. */ 57: public static final CategoryLabelWidthType 58: CATEGORY = new CategoryLabelWidthType( 59: "CategoryLabelWidthType.CATEGORY" 60: ); 61: 62: /** Percentage of range. */ 63: public static final CategoryLabelWidthType 64: RANGE = new CategoryLabelWidthType("CategoryLabelWidthType.RANGE"); 65: 66: /** The name. */ 67: private String name; 68: 69: /** 70: * Private constructor. 71: * 72: * @param name the name (<code>null</code> not permitted). 73: */ 74: private CategoryLabelWidthType(String name) { 75: if (name == null) { 76: throw new IllegalArgumentException("Null 'name' argument."); 77: } 78: this.name = name; 79: } 80: 81: /** 82: * Returns a string representing the object. 83: * 84: * @return The string (never </code>null</code>). 85: */ 86: public String toString() { 87: return this.name; 88: } 89: 90: /** 91: * Returns <code>true</code> if this object is equal to the specified 92: * object, and <code>false</code> otherwise. 93: * 94: * @param obj the other object. 95: * 96: * @return A boolean. 97: */ 98: public boolean equals(Object obj) { 99: 100: if (this == obj) { 101: return true; 102: } 103: if (!(obj instanceof CategoryLabelWidthType)) { 104: return false; 105: } 106: CategoryLabelWidthType t = (CategoryLabelWidthType) obj; 107: if (!this.name.equals(t.toString())) { 108: return false; 109: } 110: return true; 111: 112: } 113: 114: /** 115: * Ensures that serialization returns the unique instances. 116: * 117: * @return The object. 118: * 119: * @throws ObjectStreamException if there is a problem. 120: */ 121: private Object readResolve() throws ObjectStreamException { 122: if (this.equals(CategoryLabelWidthType.CATEGORY)) { 123: return CategoryLabelWidthType.CATEGORY; 124: } 125: else if (this.equals(CategoryLabelWidthType.RANGE)) { 126: return CategoryLabelWidthType.RANGE; 127: } 128: return null; 129: } 130: 131: }