Source for org.omg.PortableInterceptor.CurrentHelper

   1: /* CurrentHelper.java --
   2:    Copyright (C) 2005, 2006 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.PortableInterceptor;
  40: 
  41: import gnu.CORBA.Minor;
  42: import gnu.CORBA.OrbRestricted;
  43: 
  44: import org.omg.CORBA.Any;
  45: import org.omg.CORBA.BAD_OPERATION;
  46: import org.omg.CORBA.BAD_PARAM;
  47: import org.omg.CORBA.MARSHAL;
  48: import org.omg.CORBA.TypeCode;
  49: import org.omg.CORBA.portable.InputStream;
  50: import org.omg.CORBA.portable.OutputStream;
  51: 
  52: /**
  53:  * The helper operations for the CORBA object {@link Current}.
  54:  *
  55:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  56:  */
  57: public abstract class CurrentHelper
  58: {
  59:   /**
  60:    * Get the type code of the {@link Current}.
  61:    */
  62:   public static TypeCode type()
  63:   {
  64:     return OrbRestricted.Singleton.create_interface_tc(id(), "Current");
  65:   }
  66: 
  67:   /**
  68:    * Insert the Current into the given Any.
  69:    *
  70:    * @param any the Any to insert into.
  71:    * @param that the Current to insert.
  72:    */
  73:   public static void insert(Any any, Current that)
  74:   {
  75:     any.insert_Object(that);
  76:   }
  77: 
  78:   /**
  79:    * Extract the Current from given Any.
  80:    *
  81:    * @throws BAD_OPERATION if the passed Any does not contain Current.
  82:    */
  83:   public static Current extract(Any any)
  84:   {
  85:     return narrow(any.extract_Object());
  86:   }
  87: 
  88:   /**
  89:    * Get the Current repository id.
  90:    *
  91:    * @return "org.omg.PortableInterceptor.CurrentOperations", always.
  92:    */
  93:   public static String id()
  94:   {
  95:     return "IDL:omg.org/PortableInterceptor/Current:1.0";
  96:   }
  97: 
  98:   /**
  99:    * Cast the passed object into the Current.
 100:    *
 101:    * @param obj the object to narrow.
 102:    * @return narrowed instance.
 103:    * @throws BAD_PARAM if the passed object is not a Current.
 104:    */
 105:   public static Current narrow(org.omg.CORBA.Object obj)
 106:   {
 107:     if (obj == null)
 108:       {
 109:         return null;
 110:       }
 111:     else if (obj instanceof Current)
 112:       {
 113:         return (Current) obj;
 114:       }
 115:     else
 116:       {
 117:         throw new BAD_PARAM("Not a Current");
 118:       }
 119:   }
 120:   
 121:   /**
 122:    * Narrow the given object to the Current. For the objects that are
 123:    * always local, this operation does not differ from the ordinary
 124:    * {@link #narrow} (ClassCastException will be thrown if narrowing something
 125:    * different). See also OMG issue 4158.
 126:    * 
 127:    * @param obj the object to cast.
 128:    * 
 129:    * @return the casted Current.
 130:    * 
 131:    * @since 1.5 
 132:    */
 133:   public static Current unchecked_narrow(org.omg.CORBA.Object obj)
 134:   {
 135:     return narrow(obj);
 136:   }    
 137: 
 138:   /**
 139:    * Not supported for compatibility reasons.
 140:    *
 141:    * @specnote Not supported by Sun at least till jdk 1.5 inclusive.
 142:    *
 143:    * @throws MARSHAL always.
 144:    */
 145:   public static Current read(InputStream input)
 146:   {
 147:     MARSHAL m = new MARSHAL("Inappropriate");
 148:     m.minor = Minor.Inappropriate;
 149:     throw m;
 150:   }
 151: 
 152:   /**
 153:    * Not supported for compatibility reasons.
 154:    *
 155:    * @specnote Not supported by Sun at least till jdk 1.5 inclusive.
 156:    *
 157:    * @throws MARSHAL always.
 158:    */
 159:   public static void write(OutputStream output, Current value)
 160:   {
 161:     MARSHAL m = new MARSHAL("Inappropriate");
 162:     m.minor = Minor.Inappropriate;
 163:     throw m;
 164:   }