Source for org.omg.CosNaming.NameComponent

   1: /* NameComponent.java --
   2:    Copyright (C) 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: 
  39: package org.omg.CosNaming;
  40: 
  41: import org.omg.CORBA.portable.IDLEntity;
  42: 
  43: import java.util.zip.Adler32;
  44: 
  45: /**
  46:  * The name component, a node in the multi-comonent name.
  47:  *
  48:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  49:  */
  50: public final class NameComponent
  51:   implements IDLEntity
  52: {
  53:   /**
  54:    * Use serialVersionUID (v1.4) for interoperability.
  55:    */
  56:   private static final long serialVersionUID = -1052538183391762390L;
  57: 
  58:   /**
  59:    * The name component identifier.
  60:    */
  61:   public String id;
  62: 
  63:   /**
  64:   * The name component kind (this conception is similar to
  65:   * the file type conception.
  66:   */
  67:   public String kind;
  68: 
  69:   /**
  70:    * Create the empty name component.
  71:    */
  72:   public NameComponent()
  73:   {
  74:   }
  75: 
  76:   /**
  77:    * Create the initialised name component.
  78:    */
  79:   public NameComponent(String _id, String _kind)
  80:   {
  81:     id = _id;
  82:     kind = _kind;
  83:   }
  84: 
  85:   /**
  86:    * Returns true if both name and kind are equal.
  87:    */
  88:   public boolean equals(Object other)
  89:   {
  90:     if (other instanceof NameComponent)
  91:       {
  92:         NameComponent n = (NameComponent) other;
  93: 
  94:         boolean ieq;
  95:         boolean keq;
  96: 
  97:         if (id == null || n.id == null)
  98:           ieq = id == n.id;
  99:         else
 100:           ieq = id.equals(n.id);
 101: 
 102:         if (kind == null || n.kind == null)
 103:           keq = kind == n.kind;
 104:         else
 105:           keq = kind.equals(n.kind);
 106: 
 107:         return keq && ieq;
 108:       }
 109:     else
 110:       return false;
 111:   }
 112: 
 113:   /**
 114:    * Get a string representation (id.kind).
 115:    */
 116:   public String toString()
 117:   {
 118:     return id + "." + kind;
 119:   }
 120: 
 121:   /**
 122:    * Return the hashCode of this NameComponent.
 123:    */
 124:   public int hashCode()
 125:   {
 126:     Adler32 adler = new Adler32();
 127:     adler.update(toString().getBytes());
 128:     return (int) adler.getValue() & Integer.MAX_VALUE;
 129:   }
 130: }