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    1   /* StringNameHelper.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.NamingContextExtPackage;
   40   
   41   import org.omg.CORBA.Any;
   42   import org.omg.CORBA.ORB;
   43   import org.omg.CORBA.TypeCode;
   44   import org.omg.CORBA.portable.InputStream;
   45   import org.omg.CORBA.portable.OutputStream;
   46   import org.omg.CORBA.portable.Streamable;
   47   
   48   /**
   49    * Helper operations for the string name.
   50    * The string name is directly mapped into java String.
   51    * There is no separate "String name" class in the implementation.
   52    *
   53    * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
   54    */
   55   public abstract class StringNameHelper
   56   {
   57     /**
   58      * The string name repository id.
   59      */
   60     private static String _id =
   61       "IDL:omg.org/CosNaming/NamingContextExt/StringName:1.0";
   62   
   63     /**
   64      * The cached type code (string alias).
   65      */
   66     private static TypeCode typeCode;
   67   
   68     /**
   69      * Just extracts string from this {@link Any}.
   70      */
   71     public static String extract(Any a)
   72     {
   73       return a.extract_string();
   74     }
   75   
   76     /**
   77      * Get repository id.
   78      */
   79     public static String id()
   80     {
   81       return _id;
   82     }
   83   
   84     /**
   85      * Just inserts string into this {@link Any}.
   86      */
   87     public static void insert(Any a, String that)
   88     {
   89       a.insert_string(that);
   90     }
   91   
   92     /**
   93      * Delegates functionality to {@link InputStream#read_string()}.
   94      */
   95     public static String read(InputStream istream)
   96     {
   97       return istream.read_string();
   98     }
   99   
  100     /**
  101      * Return the "StringName", alias of String, typecode.
  102      */
  103     public static synchronized TypeCode type()
  104     {
  105       if (typeCode == null)
  106         {
  107           typeCode = ORB.init().create_string_tc(0);
  108           typeCode = ORB.init().create_alias_tc(id(), "StringName", typeCode);
  109         }
  110       return typeCode;
  111     }
  112   
  113     /**
  114      * Delegates functionality to {@link OutputStream#write_string}.
  115      */
  116     public static void write(OutputStream ostream, String value)
  117     {
  118       ostream.write_string(value);
  119     }
  120   }

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