Source for org.omg.CORBA.NameValuePairHelper

   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: }