Source for org.omg.PortableServer.POAPackage.InvalidPolicyHelper

   1: /* InvalidPolicyHelper.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.PortableServer.POAPackage;
  40: 
  41: import gnu.CORBA.Minor;
  42: import gnu.CORBA.Poa.InvalidPolicyHolder;
  43: 
  44: import org.omg.CORBA.Any;
  45: import org.omg.CORBA.BAD_OPERATION;
  46: import org.omg.CORBA.ORB;
  47: import org.omg.CORBA.StructMember;
  48: import org.omg.CORBA.TCKind;
  49: import org.omg.CORBA.TypeCode;
  50: import org.omg.CORBA.portable.InputStream;
  51: import org.omg.CORBA.portable.OutputStream;
  52: 
  53: /**
  54:  * The helper operations for the exception {@link InvalidPolicy}.
  55:  *
  56:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  57:  */
  58: public abstract class InvalidPolicyHelper
  59: {
  60:   /**
  61:    * The cached typecode value, computed only once.
  62:    */
  63:   private static TypeCode typeCode;
  64: 
  65:   /**
  66:    * Create the InvalidPolicy typecode (emtpy structure,
  67:    * named "InvalidPolicy").
  68:    * The typecode states that the structure contains the
  69:    * single field, named "index".
  70:    */
  71:   public static TypeCode type()
  72:   {
  73:     if (typeCode == null)
  74:       {
  75:         ORB orb = ORB.init();
  76:         StructMember[] members = new StructMember[ 1 ];
  77: 
  78:         TypeCode field;
  79: 
  80:         field = orb.get_primitive_tc(TCKind.tk_ushort);
  81:         members [ 0 ] = new StructMember("index", field, null);
  82:         typeCode = orb.create_exception_tc(id(), "InvalidPolicy", members);
  83:       }
  84:     return typeCode;
  85:   }
  86: 
  87:   /**
  88:   * Insert the InvalidPolicy into the given Any.
  89:   * This method uses the InvalidPolicyHolder.
  90:   *
  91:   * @param any the Any to insert into.
  92:   * @param that the InvalidPolicy to insert.
  93:   */
  94:   public static void insert(Any any, InvalidPolicy that)
  95:   {
  96:     any.insert_Streamable(new InvalidPolicyHolder(that));
  97:   }
  98: 
  99:   /**
 100:    * Extract the InvalidPolicy from given Any.
 101:    * This method uses the InvalidPolicyHolder.
 102:    *
 103:    * @throws BAD_OPERATION if the passed Any does not contain InvalidPolicy.
 104:    */
 105:   public static InvalidPolicy extract(Any any)
 106:   {
 107:     try
 108:       {
 109:         return ((InvalidPolicyHolder) any.extract_Streamable()).value;
 110:       }
 111:     catch (ClassCastException cex)
 112:       {
 113:         BAD_OPERATION bad = new BAD_OPERATION("InvalidPolicy expected");
 114:         bad.minor = Minor.Any;        
 115:         bad.initCause(cex);
 116:         throw bad;
 117:       }
 118:   }
 119: 
 120:   /**
 121:    * Get the InvalidPolicy repository id.
 122:    *
 123:    * @return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0", always.
 124:    */
 125:   public static String id()
 126:   {
 127:     return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0";
 128:   }
 129: 
 130:   /**
 131:    * Read the exception from the CDR intput stream.
 132:    *
 133:    * @param input a org.omg.CORBA.portable stream to read from.
 134:    */
 135:   public static InvalidPolicy read(InputStream input)
 136:   {
 137:     // Read the exception repository id.
 138:     String id = input.read_string();
 139:     InvalidPolicy value = new InvalidPolicy();
 140: 
 141:     value.index = input.read_short();
 142:     return value;
 143:   }
 144: 
 145:   /**
 146:    * Write the exception to the CDR output stream.
 147:    *
 148:    * @param output a org.omg.CORBA.portable stream stream to write into.
 149:    * @param value a value to write.
 150:    */
 151:   public static void write(OutputStream output, InvalidPolicy value)
 152:   {
 153:     // Write the exception repository id.
 154:     output.write_string(id());
 155:     output.write_short(value.index);
 156:   }