Source for javax.print.attribute.IntegerSyntax

   1: /* IntegerSyntax.java -- 
   2:    Copyright (C) 2003, 2004  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., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 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:    * @return 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: }