Source for org.omg.IOP.ServiceContextListHelper

   1: /* ServiceContextListHelper.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.IOP;
  40: 
  41: import gnu.CORBA.Minor;
  42: 
  43: import org.omg.CORBA.Any;
  44: import org.omg.CORBA.BAD_OPERATION;
  45: import org.omg.CORBA.ORB;
  46: import org.omg.CORBA.TypeCode;
  47: import org.omg.CORBA.portable.InputStream;
  48: import org.omg.CORBA.portable.OutputStream;
  49: 
  50: /**
  51: * The helper operations for the
  52: * CORBA object {@link ServiceContext[]}.
  53: *
  54: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  55: */
  56: public abstract class ServiceContextListHelper
  57: {
  58:   /**
  59:    * The cached {@link ServiceContext[]} typecode, computed once.
  60:    */
  61:   private static TypeCode typeCode;
  62: 
  63:   /**
  64:    * Get the type code of the {@link ServiceContext[]}.
  65:    */
  66:   public static TypeCode type()
  67:   {
  68:     if (typeCode == null)
  69:       typeCode = ORB.init().create_interface_tc(id(), "ServiceContextList");
  70:     return typeCode;
  71:   }
  72: 
  73:   /**
  74:    * Insert the ServiceContext[] into the given Any.
  75:    *
  76:    * @param any the Any to insert into.
  77:    * @param that the ServiceContext[] to insert.
  78:    */
  79:   public static void insert(Any any, ServiceContext[] that)
  80:   {
  81:     any.insert_Streamable(new ServiceContextListHolder(that));
  82:   }
  83: 
  84:   /**
  85:    * Extract the ServiceContext[] from given Any.
  86:    *
  87:    * @throws BAD_OPERATION if the passed Any does not contain ServiceContext[].
  88:    */
  89:   public static ServiceContext[] extract(Any any)
  90:   {
  91:     try
  92:       {
  93:         ServiceContextListHolder holder =
  94:           (ServiceContextListHolder) any.extract_Streamable();
  95:         return holder.value;
  96:       }
  97:     catch (ClassCastException ex)
  98:       {
  99:         BAD_OPERATION bad = new BAD_OPERATION("ServiceContext[] expected");
 100:         bad.minor = Minor.Any;        
 101:         bad.initCause(ex);
 102:         throw bad;
 103:       }
 104:   }
 105: 
 106:   /**
 107:    * Get the ServiceContext[] repository id.
 108:    *
 109:    * @return "IDL:omg.org/IOP/ServiceContextList:1.0", always.
 110:    */
 111:   public static String id()
 112:   {
 113:     return "IDL:omg.org/IOP/ServiceContextList:1.0";
 114:   }
 115: 
 116:   /**
 117:    * Read the ServiceContext[] from the CDR intput stream as a flexible lenth
 118:    * sequence.
 119:    *
 120:    * @param input a org.omg.CORBA.portable stream to read from.
 121:    */
 122:   public static ServiceContext[] read(InputStream input)
 123:   {
 124:     ServiceContext[] value = new ServiceContext[ input.read_long() ];
 125:     for (int i = 0; i < value.length; i++)
 126:       {
 127:         value [ i ] = ServiceContextHelper.read(input);
 128:       }
 129:     return value;
 130:   }
 131: 
 132:   /**
 133:    * Write the ServiceContext[] to the CDR output stream as a flexible length
 134:    * sequence.
 135:    *
 136:    * @param output a org.omg.CORBA.portable stream stream to write into.
 137:    * @param value a value to write.
 138:    */
 139:   public static void write(OutputStream output, ServiceContext[] value)
 140:   {
 141:     output.write_long(value.length);
 142:     for (int i = 0; i < value.length; i++)
 143:       {
 144:         ServiceContextHelper.write(output, value [ i ]);
 145:       }
 146:   }