001/* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2013, 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 2004-2013, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 * Changes: 036 * -------- 037 * 24-Mar-2004 : Version 1 (DG); 038 * 02-Jul-2013 : Use ParamChecks (DG); 039 * 040 */ 041 042package org.jfree.chart.axis; 043 044import java.io.ObjectStreamException; 045import java.io.Serializable; 046import org.jfree.chart.util.ParamChecks; 047 048/** 049 * Represents the width types for a category label. 050 */ 051public final class CategoryLabelWidthType implements Serializable { 052 053 /** For serialization. */ 054 private static final long serialVersionUID = -6976024792582949656L; 055 056 /** Percentage of category. */ 057 public static final CategoryLabelWidthType CATEGORY 058 = new CategoryLabelWidthType("CategoryLabelWidthType.CATEGORY"); 059 060 /** Percentage of range. */ 061 public static final CategoryLabelWidthType RANGE 062 = new CategoryLabelWidthType("CategoryLabelWidthType.RANGE"); 063 064 /** The name. */ 065 private String name; 066 067 /** 068 * Private constructor. 069 * 070 * @param name the name (<code>null</code> not permitted). 071 */ 072 private CategoryLabelWidthType(String name) { 073 ParamChecks.nullNotPermitted(name, "name"); 074 this.name = name; 075 } 076 077 /** 078 * Returns a string representing the object. 079 * 080 * @return The string (never </code>null</code>). 081 */ 082 @Override 083 public String toString() { 084 return this.name; 085 } 086 087 /** 088 * Returns <code>true</code> if this object is equal to the specified 089 * object, and <code>false</code> otherwise. 090 * 091 * @param obj the other object. 092 * 093 * @return A boolean. 094 */ 095 @Override 096 public boolean equals(Object obj) { 097 if (this == obj) { 098 return true; 099 } 100 if (!(obj instanceof CategoryLabelWidthType)) { 101 return false; 102 } 103 CategoryLabelWidthType t = (CategoryLabelWidthType) obj; 104 if (!this.name.equals(t.toString())) { 105 return false; 106 } 107 return true; 108 } 109 110 /** 111 * Ensures that serialization returns the unique instances. 112 * 113 * @return The object. 114 * 115 * @throws ObjectStreamException if there is a problem. 116 */ 117 private Object readResolve() throws ObjectStreamException { 118 if (this.equals(CategoryLabelWidthType.CATEGORY)) { 119 return CategoryLabelWidthType.CATEGORY; 120 } 121 else if (this.equals(CategoryLabelWidthType.RANGE)) { 122 return CategoryLabelWidthType.RANGE; 123 } 124 return null; 125 } 126 127}