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

   1 /* IntegerSyntax.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
  42 /**
  43  * @author Michael Koch
  44  */
  45 public abstract class IntegerSyntax implements Cloneable, Serializable
  46 {
  47   private int value;
  48
  49   /**
  50    * Creates a <code>IntegerSyntax</code> with the given value.
  51    *
  52    * @param value the value to set
  53    */
  54   protected IntegerSyntax(int value)
  55   {
  56     this.value = value;
  57   }
  58
  59   /**
  60    * Creates a <code>IntegerSyntax</code> with the given arguments.
  61    *
  62    * @param value the value to set
  63    * @param lowerBound the lower bound for the value
  64    * @param upperBound the upper bound for the value
  65    *
  66    * @exception IllegalArgumentException if value < lowerBound
  67    * or value > upperBound
  68    */
  69   protected IntegerSyntax(int value, int lowerBound, int upperBound)
  70   {
  71     if (value < lowerBound
  72         || value > upperBound)
  73       throw new IllegalArgumentException("value not in range");
  74
  75     this.value = value;
  76   }
  77
  78   /**
  79    * Returns the value of this object.
  80    *
  81    * @return the value
  82    */
  83   public int getValue()
  84   {
  85     return value;
  86   }
  87
  88   /**
  89    * Tests of obj is equal to this object.
  90    *
  91    * @param obj the object to test
  92    *
  93    * @returns true if both objects are equal, false otherwise.
  94    */
  95   public boolean equals(Object obj)
  96   {
  97     if(! (obj instanceof IntegerSyntax))
  98       return false;
  99
 100     return value == ((IntegerSyntax) obj).getValue();
 101   }
 102
 103   /**
 104    * Returns the hashcode for this object.
 105    *
 106    * @return the hashcode
 107    */
 108   public int hashCode()
 109   {
 110     return value;
 111   }
 112
 113   /**
 114    * Returns the string representation for this object.
 115    *
 116    * @return the string representation
 117    */
 118   public String toString()
 119   {
 120     return "" + value;
 121   }
 122 }