toolchain/gcc/libjava/javax/print/attribute/TextSyntax.java

   1 /* TextSyntax.java --
   2    Copyright (C) 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.print.attribute;
  39
  40 import java.io.Serializable;
  41 import java.util.Locale;
  42
  43 /**
  44  * @author Michael Koch
  45  */
  46 public abstract class TextSyntax implements Cloneable, Serializable
  47 {
  48   private static final long serialVersionUID = -8130648736378144102L;
  49
  50   private String value;
  51   private Locale locale;
  52
  53   /**
  54    * Creates a <code>TextSyntax</code> object with the given value
  55    * and locale.
  56    *
  57    * @param value the value for this syntax
  58    * @param locale the locale to use
  59    *
  60    * @exception NullPointerException if value is null
  61    */
  62   protected TextSyntax(String value, Locale locale)
  63   {
  64     if (value == null)
  65       throw new NullPointerException("value may not be null");
  66
  67     this.value = value;
  68     this.locale = locale;
  69   }
  70
  71   /**
  72    * Returns the value of this syntax object.
  73    *
  74    * @return the value
  75    */
  76   public String getValue()
  77   {
  78     return value;
  79   }
  80
  81   /**
  82    * Returns the locale of this syntax object.
  83    *
  84    * @return the locale
  85    */
  86   public Locale getLocale()
  87   {
  88     return locale;
  89   }
  90
  91   /**
  92    * Returns the hashcode for this object.
  93    *
  94    * @return the hashcode
  95    */
  96   public int hashCode()
  97   {
  98     return value.hashCode() + locale.hashCode();
  99   }
 100
 101   /**
 102    * Tests of obj is equal to this object.
 103    *
 104    * @param obj the object to test
 105    *
 106    * @returns true if both objects are equal, false otherwise.
 107    */
 108   public boolean equals(Object obj)
 109   {
 110     if (! (obj instanceof TextSyntax))
 111       return false;
 112
 113     TextSyntax tmp = (TextSyntax) obj;
 114
 115     return (value.equals(tmp.getValue())
 116             && locale.equals(tmp.getLocale()));
 117   }
 118 }