1 /*
   2  * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javafx.css;
  27 
  28 
  29 /** 
  30  * A Style is just the selector and declaration from a Rule. 
  31  *
  32  * @since 9
  33  */
  34 final public class Style {
  35     
  36     /**
  37      * A selector might have more than one selector. This is the one that was
  38      * matched.
  39      */
  40     public Selector getSelector() {
  41         return selector;
  42     }
  43     
  44     /**
  45      * The Declaration that is the source of the style that is about
  46      * to be applied or has just been applied. May be null if the
  47      * value comes from the CSSProperty's initial (default) value. 
  48      */
  49     public Declaration getDeclaration() {
  50         return declaration;
  51     }
  52 
  53     public Style(Selector selector, Declaration declaration) {
  54         this.selector = selector;
  55         this.declaration = declaration;
  56     }
  57 
  58     @Override public boolean equals(Object obj) {
  59         if (obj == this) {
  60             return true;
  61         }
  62         if (obj == null) {
  63             return false;
  64         }
  65         if (getClass() != obj.getClass()) {
  66             return false;
  67         }
  68         final Style other = (Style) obj;
  69         if (this.selector != other.selector && (this.selector == null || !this.selector.equals(other.selector))) {
  70             return false;
  71         }
  72         if (this.declaration != other.declaration && (this.declaration == null || !this.declaration.equals(other.declaration))) {
  73             return false;
  74         }
  75         return true;
  76     }
  77 
  78     @Override public int hashCode() {
  79         int hash = 3;
  80         hash = 83 * hash + (this.selector != null ? this.selector.hashCode() : 0);
  81         hash = 83 * hash + (this.declaration != null ? this.declaration.hashCode() : 0);
  82         return hash;
  83     }
  84     
  85     @Override public String toString() {
  86         final StringBuilder sb = new StringBuilder()
  87                 .append(String.valueOf(selector))
  88                 .append(" { ")
  89                 .append(String.valueOf(declaration))
  90                 .append( " } ");
  91         return sb.toString();
  92 
  93     }    
  94     
  95     private final Selector selector;
  96     private final Declaration declaration;
  97 }
  98