libjava/classpath/gnu/CORBA/aliasTypeCode.java

   1 /* aliasTypeCode.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 gnu.CORBA;
  40
  41 import org.omg.CORBA.TCKind;
  42 import org.omg.CORBA.TypeCode;
  43 import org.omg.CORBA.TypeCodePackage.BadKind;
  44
  45 /**
  46  * The type code that is an alias of another type code.
  47  *
  48  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  49  */
  50 public class aliasTypeCode
  51   extends primitiveTypeCode
  52 {
  53   /**
  54    * The typecode repository id.
  55    */
  56   protected final String id;
  57
  58   /**
  59    * The typecode name.
  60    */
  61   protected final String name;
  62
  63   /**
  64    * The type code for that this typecode is an alias.
  65    */
  66   protected final TypeCode aliasFor;
  67
  68   /**
  69    * Create the typecode, specifying for that typecode it is an
  70    * alias and the id and name of the newly created typecode.
  71    *
  72    * @param an_aliasFor the typecode, for that this typecode is an
  73    * alias.
  74    *
  75    * @param an_id the repository id fo the newly created typecode.
  76    *
  77    * @param a_name the name of the newly created typecode.
  78    */
  79   public aliasTypeCode(TypeCode an_aliasFor, String an_id, String a_name)
  80   {
  81     super(TCKind.tk_alias);
  82     aliasFor = an_aliasFor;
  83     id = an_id;
  84     name = a_name;
  85   }
  86
  87   /**
  88    * Get the typecode, for that this typecode is an alias.
  89    */
  90   public TypeCode content_type()
  91   {
  92     return aliasFor;
  93   }
  94
  95   /**
  96    * The objects are assumed to be equal if they repository
  97    * ids are both equal or both unavailable and the
  98    * kind values are equal.
  99    *
 100    * @param other the other typecode to compare.
 101    */
 102   public boolean equal(TypeCode other)
 103   {
 104     if (super.equal(other))
 105       return true;
 106     try
 107       {
 108         return id.equals(other.id());
 109       }
 110     catch (BadKind ex)
 111       {
 112         return false;
 113       }
 114   }
 115
 116   /**
 117    * Return true if the given typecode is equal for
 118    * either this typecode of the alias typecode.
 119    *
 120    * @param other the typecode to compare.
 121    */
 122   public boolean equivalent(TypeCode other)
 123   {
 124     return other.equal(this) || other.equal(aliasFor);
 125   }
 126
 127   /**
 128    * Get the repository id of this typecode.
 129    */
 130   public String id()
 131   {
 132     return id;
 133   }
 134
 135   /**
 136    * Get the name of this typecode.
 137    */
 138   public String name()
 139   {
 140     return name;
 141   }
 142 }