Source for org.omg.PortableInterceptor.IORInterceptor_3_0Helper

   1: /* IORInterceptor_3_0Helper.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.PortableInterceptor;
  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.BAD_PARAM;
  46: import org.omg.CORBA.ORB;
  47: import org.omg.CORBA.TypeCode;
  48: import org.omg.CORBA.portable.Delegate;
  49: import org.omg.CORBA.portable.InputStream;
  50: import org.omg.CORBA.portable.ObjectImpl;
  51: import org.omg.CORBA.portable.OutputStream;
  52: 
  53: /**
  54:  * The helper operations for the CORBA object {@link IORInterceptor_3_0}.
  55:  * 
  56:  * @since 1.5 
  57:  * 
  58:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  59:  */
  60: public abstract class IORInterceptor_3_0Helper
  61: {
  62:   /**
  63:    * The cached {@link IORInterceptor_3_0} typecode, computed once.
  64:    */
  65:   private static TypeCode typeCode;
  66: 
  67:   /**
  68:    * Get the type code of the {@link IORInterceptor_3_0}.
  69:    */
  70:   public static TypeCode type()
  71:   {
  72:     if (typeCode == null)
  73:       typeCode = ORB.init().create_interface_tc(id(), "IORInterceptor_3_0");
  74:     return typeCode;
  75:   }
  76: 
  77:   /**
  78:    * Insert the IORInterceptor_3_0 into the given Any.
  79:    * 
  80:    * @param any the Any to insert into.
  81:    * @param that the IORInterceptor_3_0 to insert.
  82:    */
  83:   public static void insert(Any any, IORInterceptor_3_0 that)
  84:   {
  85:     any.insert_Streamable(new IORInterceptor_3_0Holder(that));
  86:   }
  87: 
  88:   /**
  89:    * Extract the IORInterceptor_3_0 from given Any.
  90:    * 
  91:    * @throws BAD_OPERATION if the passed Any does not contain
  92:    * IORInterceptor_3_0.
  93:    */
  94:   public static IORInterceptor_3_0 extract(Any any)
  95:   {
  96:     try
  97:       {
  98:         IORInterceptor_3_0Holder holder = (IORInterceptor_3_0Holder) 
  99:           any.extract_Streamable();
 100:         return holder.value;
 101:       }
 102:     catch (ClassCastException cex)
 103:       {
 104:         BAD_OPERATION bad = new BAD_OPERATION("IORInterceptor_3_0 expected");
 105:         bad.minor = Minor.Any;
 106:         bad.initCause(cex);
 107:         throw bad;
 108:       }
 109:   }
 110: 
 111:   /**
 112:    * Get the IORInterceptor_3_0 repository id.
 113:    * 
 114:    * @return "IDL:omg.org/PortableInterceptor/IORInterceptor_3_0:1.0", always.
 115:    */
 116:   public static String id()
 117:   {
 118:     return "IDL:omg.org/PortableInterceptor/IORInterceptor_3_0:1.0";
 119:   }
 120: 
 121:   /**
 122:    * Narrow the passed object into the IORInterceptor_3_0. If the object has a
 123:    * different java type, create an instance of the _IORInterceptor_3_0Stub,
 124:    * using the same delegate, as for the passed parameter. Hence, unlike java
 125:    * type cast, this method may return a different object, than has been passed.
 126:    * 
 127:    * @param obj the object to narrow.
 128:    * @return narrowed instance.
 129:    * @throws BAD_PARAM if the passed object is not a IORInterceptor_3_0.
 130:    */
 131:   public static IORInterceptor_3_0 narrow(org.omg.CORBA.Object obj)
 132:   {
 133:     if (obj == null)
 134:       return null;
 135:     else if (obj instanceof IORInterceptor_3_0)
 136:       return (IORInterceptor_3_0) obj;
 137:     else if (!obj._is_a(id()))
 138:       throw new BAD_PARAM("Not a IORInterceptor_3_0");
 139:     else
 140:       {
 141:         Delegate delegate = ((ObjectImpl) obj)._get_delegate();
 142:         return new _IORInterceptor_3_0Stub(delegate);
 143:       }
 144:   }
 145:   
 146:   /**
 147:    * Narrow the passed object into the IORInterceptor_3_0. No type-checking is
 148:    * performed to verify that the object actually supports the requested type.
 149:    * The {@link BAD_OPERATION} will be thrown if unsupported operations are
 150:    * invoked on the new returned reference, but no failure is expected at the
 151:    * time of the unchecked_narrow. For instance, the narrowing of the 
 152:    * remote instance of the {@link IORInterceptor} will work as long as only the
 153:    * methods, inherited from this parent, are invoked.
 154:    * 
 155:    * 
 156:    * @param obj the object to narrow.
 157:    * @return narrowed instance.
 158:    * @throws BAD_PARAM if the passed object is not a IORInterceptor_3_0.
 159:    */
 160:   public static IORInterceptor_3_0 unchecked_narrow(org.omg.CORBA.Object obj)
 161:   {
 162:     if (obj == null)
 163:       return null;
 164:     else if (obj instanceof IORInterceptor_3_0)
 165:       return (IORInterceptor_3_0) obj;
 166:     else
 167:       {
 168:         Delegate delegate = ((ObjectImpl) obj)._get_delegate();
 169:         return new _IORInterceptor_3_0Stub(delegate);
 170:       }
 171:   }
 172:   
 173: 
 174:   /**
 175:    * Read the IORInterceptor_3_0 from the CDR intput stream (IOR profile
 176:    * expected).
 177:    * 
 178:    * @param input a org.omg.CORBA.portable stream to read from.
 179:    */
 180:   public static IORInterceptor_3_0 read(InputStream input)
 181:   {
 182:     return unchecked_narrow(input.read_Object());
 183:   }
 184: 
 185:   /**
 186:    * Write the IORInterceptor_3_0 to the CDR output stream (as IOR profile).
 187:    * 
 188:    * @param output a org.omg.CORBA.portable stream stream to write into.
 189:    * @param value a value to write.
 190:    */
 191:   public static void write(OutputStream output, IORInterceptor_3_0 value)
 192:   {
 193:     output.write_Object(value);
 194:   }