Source for javax.print.attribute.URISyntax

   1: /* URISyntax.java -- 
   2:    Copyright (C) 2003, 2005 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: import java.net.URI;
  42: 
  43: /**
  44:  * <code>URISyntax</code> is the abstract base class of all attribute 
  45:  * classes having an Uniform Resource Identifier URI as value.
  46:  * 
  47:  * @author Michael Koch (konqueror@gmx.de)
  48:  */
  49: public abstract class URISyntax
  50:   implements Cloneable, Serializable
  51: {
  52:   private static final long serialVersionUID = -7842661210486401678L;
  53: 
  54:   private URI uri;
  55: 
  56:   /**
  57:    * Creates a <code>URISyntax</code> object.
  58:    *
  59:    * @param uri the URI value for the syntax
  60:    *
  61:    * @exception NullPointerException if uri is null
  62:    */
  63:   protected URISyntax(URI uri)
  64:   {
  65:     if (uri == null)
  66:       throw new NullPointerException("uri may not be null");
  67: 
  68:     this.uri = uri;
  69:   }
  70: 
  71:   /**
  72:    * Tests if the given object is equal to this object.
  73:    *
  74:    * @param obj the object to test
  75:    *
  76:    * @return <code>true</code> if both objects are equal, 
  77:    * <code>false</code> otherwise.
  78:    */
  79:   public boolean equals(Object obj)
  80:   {
  81:     if (! (obj instanceof URISyntax))
  82:       return false;
  83: 
  84:     return uri.equals(((URISyntax) obj).getURI());
  85:   }
  86: 
  87:   /**
  88:    * Returns the URI value of this syntax object.
  89:    *
  90:    * @return The URI.
  91:    */
  92:   public URI getURI()
  93:   {
  94:     return uri;
  95:   }
  96: 
  97:   /**
  98:    * Returns the hashcode for this object.
  99:    *
 100:    * @return The hashcode.
 101:    */
 102:   public int hashCode()
 103:   {
 104:     return uri.hashCode();
 105:   }
 106: 
 107:   /**
 108:    * Returns the string representation for this object.
 109:    *
 110:    * @return The string representation.
 111:    */
 112:   public String toString()
 113:   {
 114:     return uri.toString();
 115:   }
 116: }