001/* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2020, 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 * CategoryLabelWidthType.java 029 * --------------------------- 030 * (C) Copyright 2004-2020, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 */ 036 037package org.jfree.chart.axis; 038 039import java.io.ObjectStreamException; 040import java.io.Serializable; 041import org.jfree.chart.util.Args; 042 043/** 044 * Represents the width types for a category label. 045 */ 046public final class CategoryLabelWidthType implements Serializable { 047 048 /** For serialization. */ 049 private static final long serialVersionUID = -6976024792582949656L; 050 051 /** Percentage of category. */ 052 public static final CategoryLabelWidthType CATEGORY 053 = new CategoryLabelWidthType("CategoryLabelWidthType.CATEGORY"); 054 055 /** Percentage of range. */ 056 public static final CategoryLabelWidthType RANGE 057 = new CategoryLabelWidthType("CategoryLabelWidthType.RANGE"); 058 059 /** The name. */ 060 private String name; 061 062 /** 063 * Private constructor. 064 * 065 * @param name the name ({@code null} not permitted). 066 */ 067 private CategoryLabelWidthType(String name) { 068 Args.nullNotPermitted(name, "name"); 069 this.name = name; 070 } 071 072 /** 073 * Returns a string representing the object. 074 * 075 * @return The string (never {@code null}). 076 */ 077 @Override 078 public String toString() { 079 return this.name; 080 } 081 082 /** 083 * Returns {@code true} if this object is equal to the specified 084 * object, and {@code false} otherwise. 085 * 086 * @param obj the other object. 087 * 088 * @return A boolean. 089 */ 090 @Override 091 public boolean equals(Object obj) { 092 if (this == obj) { 093 return true; 094 } 095 if (!(obj instanceof CategoryLabelWidthType)) { 096 return false; 097 } 098 CategoryLabelWidthType t = (CategoryLabelWidthType) obj; 099 if (!this.name.equals(t.toString())) { 100 return false; 101 } 102 return true; 103 } 104 105 /** 106 * Ensures that serialization returns the unique instances. 107 * 108 * @return The object. 109 * 110 * @throws ObjectStreamException if there is a problem. 111 */ 112 private Object readResolve() throws ObjectStreamException { 113 if (this.equals(CategoryLabelWidthType.CATEGORY)) { 114 return CategoryLabelWidthType.CATEGORY; 115 } 116 else if (this.equals(CategoryLabelWidthType.RANGE)) { 117 return CategoryLabelWidthType.RANGE; 118 } 119 return null; 120 } 121 122}