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.OrbRestricted;
  43: import gnu.CORBA.Poa.InvalidPolicyHolder;
  44: 
  45: import org.omg.CORBA.Any;
  46: import org.omg.CORBA.BAD_OPERATION;
  47: import org.omg.CORBA.ORB;
  48: import org.omg.CORBA.StructMember;
  49: import org.omg.CORBA.TCKind;
  50: import org.omg.CORBA.TypeCode;
  51: import org.omg.CORBA.portable.InputStream;
  52: import org.omg.CORBA.portable.OutputStream;
  53: 
  54: /**
  55:  * The helper operations for the exception {@link InvalidPolicy}.
  56:  *
  57:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  58:  */
  59: public abstract class InvalidPolicyHelper
  60: {
  61:   /**
  62:    * The cached typecode value, computed only once.
  63:    */
  64:   private static TypeCode typeCode;
  65: 
  66:   /**
  67:    * Create the InvalidPolicy typecode (emtpy structure,
  68:    * named "InvalidPolicy").
  69:    * The typecode states that the structure contains the
  70:    * single field, named "index".
  71:    */
  72:   public static TypeCode type()
  73:   {
  74:     if (typeCode == null)
  75:       {
  76:         ORB orb = OrbRestricted.Singleton;
  77:         StructMember[] members = new StructMember[ 1 ];
  78: 
  79:         TypeCode field;
  80: 
  81:         field = orb.get_primitive_tc(TCKind.tk_ushort);
  82:         members [ 0 ] = new StructMember("index", field, null);
  83:         typeCode = orb.create_exception_tc(id(), "InvalidPolicy", members);
  84:       }
  85:     return typeCode;
  86:   }
  87: 
  88:   /**
  89:   * Insert the InvalidPolicy into the given Any.
  90:   * This method uses the InvalidPolicyHolder.
  91:   *
  92:   * @param any the Any to insert into.
  93:   * @param that the InvalidPolicy to insert.
  94:   */
  95:   public static void insert(Any any, InvalidPolicy that)
  96:   {
  97:     any.insert_Streamable(new InvalidPolicyHolder(that));
  98:   }
  99: 
 100:   /**
 101:    * Extract the InvalidPolicy from given Any.
 102:    * This method uses the InvalidPolicyHolder.
 103:    *
 104:    * @throws BAD_OPERATION if the passed Any does not contain InvalidPolicy.
 105:    */
 106:   public static InvalidPolicy extract(Any any)
 107:   {
 108:     try
 109:       {
 110:         return ((InvalidPolicyHolder) any.extract_Streamable()).value;
 111:       }
 112:     catch (ClassCastException cex)
 113:       {
 114:         BAD_OPERATION bad = new BAD_OPERATION("InvalidPolicy expected");
 115:         bad.minor = Minor.Any;        
 116:         bad.initCause(cex);
 117:         throw bad;
 118:       }
 119:   }
 120: 
 121:   /**
 122:    * Get the InvalidPolicy repository id.
 123:    *
 124:    * @return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0", always.
 125:    */
 126:   public static String id()
 127:   {
 128:     return "IDL:omg.org/PortableServer/POA/InvalidPolicy:1.0";
 129:   }
 130: 
 131:   /**
 132:    * Read the exception from the CDR intput stream.
 133:    *
 134:    * @param input a org.omg.CORBA.portable stream to read from.
 135:    */
 136:   public static InvalidPolicy read(InputStream input)
 137:   {
 138:     // Read the exception repository id.
 139:     String id = input.read_string();
 140:     InvalidPolicy value = new InvalidPolicy();
 141: 
 142:     value.index = input.read_short();
 143:     return value;
 144:   }
 145: 
 146:   /**
 147:    * Write the exception to the CDR output stream.
 148:    *
 149:    * @param output a org.omg.CORBA.portable stream stream to write into.
 150:    * @param value a value to write.
 151:    */
 152:   public static void write(OutputStream output, InvalidPolicy value)
 153:   {
 154:     // Write the exception repository id.
 155:     output.write_string(id());
 156:     output.write_short(value.index);
 157:   }