libjava/classpath/org/omg/CORBA/NameValuePairHelper.java

   1 /* NameValuePairHelper.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.CORBA;
  40
  41 import gnu.CORBA.DynAn.NameValuePairHolder;
  42 import gnu.CORBA.typecodes.AliasTypeCode;
  43 import gnu.CORBA.typecodes.PrimitiveTypeCode;
  44 import gnu.CORBA.typecodes.StringTypeCode;
  45 import gnu.CORBA.Minor;
  46
  47 import org.omg.CORBA.portable.InputStream;
  48 import org.omg.CORBA.portable.OutputStream;
  49
  50 /**
  51  * The helper operations for {@link NameValuePair}.
  52  *
  53  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  54  */
  55 public abstract class NameValuePairHelper
  56 {
  57   /**
  58    * The {@link NameValuePair} repository id,
  59    * 'IDL:omg.org/CORBA/NameValuePair:1.0'.
  60    */
  61   private static String _id = "IDL:omg.org/CORBA/NameValuePair:1.0";
  62
  63   /**
  64    * The cached type code value.
  65    */
  66   private static TypeCode typeCode;
  67
  68   /**
  69    * Extract the NameValuePair from the given {@link Any}.
  70    */
  71   public static NameValuePair extract(Any a)
  72   {
  73     try
  74       {
  75         return ((NameValuePairHolder) a.extract_Streamable()).value;
  76       }
  77     catch (ClassCastException ex)
  78       {
  79         BAD_OPERATION bad = new BAD_OPERATION("NameValuePair expected");
  80         bad.minor = Minor.Any;
  81         throw bad;
  82       }
  83   }
  84
  85   /**
  86    * Return the NameValuePair repository id.
  87    */
  88   public static String id()
  89   {
  90     return _id;
  91   }
  92
  93   /**
  94    * Insert the NameValuePair into the given {@link Any}.
  95    */
  96   public static void insert(Any a, NameValuePair that)
  97   {
  98     a.insert_Streamable(new NameValuePairHolder(that));
  99   }
 100
 101   /**
 102    * Read the NameValuePair from the given CDR stream. First reads the
 103    * name (id) as string, then the value as {@link Any}.
 104    */
 105   public static NameValuePair read(InputStream istream)
 106   {
 107     NameValuePair p = new NameValuePair();
 108     p.id = istream.read_string();
 109     p.value = istream.read_any();
 110     return p;
 111   }
 112
 113   /**
 114    * Create the type code for the name value pair.
 115    */
 116   public static TypeCode type()
 117   {
 118     if (typeCode == null)
 119       {
 120         StructMember[] members = new StructMember[ 2 ];
 121
 122         TypeCode t_id =
 123           new AliasTypeCode(new StringTypeCode(TCKind.tk_string), "", "id");
 124
 125         members [ 0 ] = new StructMember("id", t_id, null);
 126
 127         members [ 1 ] =
 128           new StructMember("value", new PrimitiveTypeCode(TCKind.tk_any), null);
 129
 130         typeCode = ORB.init().create_struct_tc(id(), "NameValuePair", members);
 131       }
 132     return typeCode;
 133   }
 134
 135   /**
 136    * Write the exception to the CDR output stream. First writes the
 137    * name (id), then the value as {@link Any}.
 138    */
 139   public static void write(OutputStream ostream, NameValuePair value)
 140   {
 141     ostream.write_string(value.id);
 142     ostream.write_any(value.value);
 143   }
 144 }