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