001 /* ======================================================================== 002 * JCommon : a free general purpose class library for the Java(tm) platform 003 * ======================================================================== 004 * 005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jcommon/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 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * ------------------------------- 028 * GradientPaintTransformType.java 029 * ------------------------------- 030 * (C) Copyright 2003-2005, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 * $Id: GradientPaintTransformType.java,v 1.4 2005/10/18 13:18:34 mungady Exp $ 036 * 037 * Changes: 038 * -------- 039 * 21-Oct-2003 (DG); 040 * 041 */ 042 043 package org.jfree.ui; 044 045 import java.io.ObjectStreamException; 046 import java.io.Serializable; 047 048 /** 049 * Represents a type of transform for a <code>GradientPaint</code>. 050 * 051 * @author David Gilbert 052 */ 053 public final class GradientPaintTransformType implements Serializable { 054 055 /** For serialization. */ 056 private static final long serialVersionUID = 8331561784933982450L; 057 058 /** Vertical. */ 059 public static final GradientPaintTransformType VERTICAL 060 = new GradientPaintTransformType("GradientPaintTransformType.VERTICAL"); 061 062 /** Horizontal. */ 063 public static final GradientPaintTransformType HORIZONTAL 064 = new GradientPaintTransformType( 065 "GradientPaintTransformType.HORIZONTAL"); 066 067 /** Center/vertical. */ 068 public static final GradientPaintTransformType CENTER_VERTICAL 069 = new GradientPaintTransformType( 070 "GradientPaintTransformType.CENTER_VERTICAL"); 071 072 /** Center/horizontal. */ 073 public static final GradientPaintTransformType CENTER_HORIZONTAL 074 = new GradientPaintTransformType( 075 "GradientPaintTransformType.CENTER_HORIZONTAL"); 076 077 /** The name. */ 078 private String name; 079 080 /** 081 * Private constructor. 082 * 083 * @param name the name. 084 */ 085 private GradientPaintTransformType(final String name) { 086 this.name = name; 087 } 088 089 /** 090 * Returns a string representing the object. 091 * 092 * @return The string. 093 */ 094 public String toString() { 095 return this.name; 096 } 097 098 /** 099 * Returns <code>true</code> if this object is equal to the specified 100 * object, and <code>false</code> otherwise. 101 * 102 * @param o the other object. 103 * 104 * @return A boolean. 105 */ 106 public boolean equals(final Object o) { 107 108 if (this == o) { 109 return true; 110 } 111 if (!(o instanceof GradientPaintTransformType)) { 112 return false; 113 } 114 115 final GradientPaintTransformType t = (GradientPaintTransformType) o; 116 if (!this.name.equals(t.name)) { 117 return false; 118 } 119 120 return true; 121 } 122 123 /** 124 * Returns a hash code value for the object. 125 * 126 * @return the hashcode 127 */ 128 public int hashCode() { 129 return this.name.hashCode(); 130 } 131 132 /** 133 * Ensures that serialization returns the unique instances. 134 * 135 * @return The object. 136 * 137 * @throws ObjectStreamException if there is a problem. 138 */ 139 private Object readResolve() throws ObjectStreamException { 140 GradientPaintTransformType result = null; 141 if (this.equals(GradientPaintTransformType.HORIZONTAL)) { 142 result = GradientPaintTransformType.HORIZONTAL; 143 } 144 else if (this.equals(GradientPaintTransformType.VERTICAL)) { 145 result = GradientPaintTransformType.VERTICAL; 146 } 147 else if (this.equals(GradientPaintTransformType.CENTER_HORIZONTAL)) { 148 result = GradientPaintTransformType.CENTER_HORIZONTAL; 149 } 150 else if (this.equals(GradientPaintTransformType.CENTER_VERTICAL)) { 151 result = GradientPaintTransformType.CENTER_VERTICAL; 152 } 153 return result; 154 } 155 156 } 157