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 com.sun.javafx.css;
  27 
  28 
  29 /** 
  30  * A Style is just the selector and declaration from a Rule. 
  31  */
  32 final public class Style {
  33     
  34     /**
  35      * A selector might have more than one selector. This is the one that was
  36      * matched.
  37      */
  38     public Selector getSelector() {
  39         return selector;
  40     }
  41     
  42     /**
  43      * The Declaration that is the source of the style that is about
  44      * to be applied or has just been applied. May be null if the
  45      * value comes from the CSSProperty's initial (default) value. 
  46      */
  47     public Declaration getDeclaration() {
  48         return declaration;
  49     }
  50 
  51     public Style(Selector selector, Declaration declaration) {
  52         this.selector = selector;
  53         this.declaration = declaration;
  54     }
  55 
  56     @Override public boolean equals(Object obj) {
  57         if (obj == this) {
  58             return true;
  59         }
  60         if (obj == null) {
  61             return false;
  62         }
  63         if (getClass() != obj.getClass()) {
  64             return false;
  65         }
  66         final Style other = (Style) obj;
  67         if (this.selector != other.selector && (this.selector == null || !this.selector.equals(other.selector))) {
  68             return false;
  69         }
  70         if (this.declaration != other.declaration && (this.declaration == null || !this.declaration.equals(other.declaration))) {
  71             return false;
  72         }
  73         return true;
  74     }
  75 
  76     @Override public int hashCode() {
  77         int hash = 3;
  78         hash = 83 * hash + (this.selector != null ? this.selector.hashCode() : 0);
  79         hash = 83 * hash + (this.declaration != null ? this.declaration.hashCode() : 0);
  80         return hash;
  81     }
  82     
  83     @Override public String toString() {
  84         final StringBuilder sb = new StringBuilder()
  85                 .append(String.valueOf(selector))
  86                 .append(" { ")
  87                 .append(String.valueOf(declaration))
  88                 .append( " } ");
  89         return sb.toString();
  90 
  91     }    
  92     
  93     private final Selector selector;
  94     private final Declaration declaration;
  95 }
  96