Source for org.jfree.ui.GradientPaintTransformType

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class 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/jcommon/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:  * GradientPaintTransformType.java
  29:  * -------------------------------
  30:  * (C) Copyright 2003-2005, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   -;
  34:  *
  35:  * $Id: GradientPaintTransformType.java,v 1.4 2005/10/18 13:18:34 mungady Exp $
  36:  *
  37:  * Changes:
  38:  * --------
  39:  * 21-Oct-2003 (DG);
  40:  * 
  41:  */
  42: 
  43: package org.jfree.ui;
  44: 
  45: import java.io.ObjectStreamException;
  46: import java.io.Serializable;
  47: 
  48: /**
  49:  * Represents a type of transform for a <code>GradientPaint</code>.
  50:  * 
  51:  * @author David Gilbert
  52:  */
  53: public final class GradientPaintTransformType implements Serializable {
  54: 
  55:     /** For serialization. */
  56:     private static final long serialVersionUID = 8331561784933982450L;
  57:     
  58:     /** Vertical. */
  59:     public static final GradientPaintTransformType VERTICAL 
  60:         = new GradientPaintTransformType("GradientPaintTransformType.VERTICAL");
  61: 
  62:     /** Horizontal. */
  63:     public static final GradientPaintTransformType HORIZONTAL 
  64:         = new GradientPaintTransformType(
  65:                 "GradientPaintTransformType.HORIZONTAL");
  66: 
  67:     /** Center/vertical. */
  68:     public static final GradientPaintTransformType CENTER_VERTICAL 
  69:         = new GradientPaintTransformType(
  70:                 "GradientPaintTransformType.CENTER_VERTICAL");
  71: 
  72:     /** Center/horizontal. */
  73:     public static final GradientPaintTransformType CENTER_HORIZONTAL 
  74:         = new GradientPaintTransformType(
  75:                 "GradientPaintTransformType.CENTER_HORIZONTAL");
  76:         
  77:     /** The name. */
  78:     private String name;
  79: 
  80:     /**
  81:      * Private constructor.
  82:      *
  83:      * @param name  the name.
  84:      */
  85:     private GradientPaintTransformType(final String name) {
  86:         this.name = name;
  87:     }
  88: 
  89:     /**
  90:      * Returns a string representing the object.
  91:      *
  92:      * @return The string.
  93:      */
  94:     public String toString() {
  95:         return this.name;
  96:     }
  97: 
  98:     /**
  99:      * 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: }