Source for gnu.CORBA.Interceptor.gnuClientRequestInfo

   1: /* gnuClientRequestInfo.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 gnu.CORBA.Interceptor;
  40: 
  41: import gnu.CORBA.Unexpected;
  42: import gnu.CORBA.gnuRequest;
  43: 
  44: import org.omg.CORBA.ARG_IN;
  45: import org.omg.CORBA.ARG_INOUT;
  46: import org.omg.CORBA.ARG_OUT;
  47: import org.omg.CORBA.Any;
  48: import org.omg.CORBA.BAD_PARAM;
  49: import org.omg.CORBA.Bounds;
  50: import org.omg.CORBA.ExceptionList;
  51: import org.omg.CORBA.INV_POLICY;
  52: import org.omg.CORBA.LocalObject;
  53: import org.omg.CORBA.NVList;
  54: import org.omg.CORBA.ORB;
  55: import org.omg.CORBA.ParameterMode;
  56: import org.omg.CORBA.Policy;
  57: import org.omg.CORBA.TCKind;
  58: import org.omg.CORBA.TypeCode;
  59: import org.omg.CORBA.TypeCodePackage.BadKind;
  60: import org.omg.Dynamic.Parameter;
  61: import org.omg.IOP.ServiceContext;
  62: import org.omg.IOP.TaggedComponent;
  63: import org.omg.IOP.TaggedProfile;
  64: import org.omg.PortableInterceptor.ClientRequestInfo;
  65: import org.omg.PortableInterceptor.InvalidSlot;
  66: 
  67: /**
  68:  * Client request info. All requests on the client side in Classpath
  69:  * implementations are handled via gnuRequest class. This class holds the
  70:  * instance of the gnuRequest, accessing the request info this way.
  71:  *
  72:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  73:  */
  74: public class gnuClientRequestInfo extends LocalObject
  75:   implements ClientRequestInfo
  76: {
  77:   /**
  78:    * Use serialVersionUID for interoperability.
  79:    */
  80:   private static final long serialVersionUID = 1;
  81: 
  82:   /**
  83:    * The request structure, from that some methods take the needed information
  84:    * directly. The same request structure cannot be reused in parallel threads,
  85:    * the submission methods are synchronized.
  86:    */
  87:   private final gnuRequest request;
  88: 
  89:   /**
  90:    * Provides possibility to set the wrapped thrown exception explicitly, where
  91:    * applicable.
  92:    */
  93:   public Any m_wrapped_exception;
  94: 
  95:   /**
  96:    * Create the info on the given request.
  97:    */
  98:   public gnuClientRequestInfo(gnuRequest a_request)
  99:   {
 100:     request = a_request;
 101:   }
 102: 
 103:   /** @inheritDoc */
 104:   public void add_request_service_context(ServiceContext service_context,
 105:     boolean replace
 106:   )
 107:   {
 108:     request.add_request_service_context(service_context, replace);
 109:   }
 110: 
 111:   /** @inheritDoc */
 112:   public TaggedProfile effective_profile()
 113:   {
 114:     return request.effective_profile();
 115:   }
 116: 
 117:   /** @inheritDoc */
 118:   public org.omg.CORBA.Object effective_target()
 119:   {
 120:     return request.effective_target();
 121:   }
 122: 
 123:   /** @inheritDoc */
 124:   public TaggedComponent get_effective_component(int id)
 125:     throws BAD_PARAM
 126:   {
 127:     return request.get_effective_component(id);
 128:   }
 129: 
 130:   /** @inheritDoc */
 131:   public TaggedComponent[] get_effective_components(int id)
 132:     throws BAD_PARAM
 133:   {
 134:     return request.get_effective_components(id);
 135:   }
 136: 
 137:   /** @inheritDoc */
 138:   public Policy get_request_policy(int type) throws INV_POLICY
 139:   {
 140:     return request.get_request_policy(type);
 141:   }
 142: 
 143:   /** @inheritDoc */
 144:   public String received_exception_id()
 145:   {
 146:     try
 147:       {
 148:         if (m_wrapped_exception != null)
 149:           {
 150:             return m_wrapped_exception.type().id();
 151:           }
 152:         else
 153:           {
 154:             return request.received_exception_id();
 155:           }
 156:       }
 157:     catch (BadKind e)
 158:       {
 159:         throw new Unexpected(e);
 160:       }
 161:   }
 162: 
 163:   /** @inheritDoc */
 164:   public Any received_exception()
 165:   {
 166:     if (m_wrapped_exception != null)
 167:       {
 168:         return m_wrapped_exception;
 169:       }
 170:     else
 171:       {
 172:         return request.received_exception();
 173:       }
 174:   }
 175: 
 176:   /** @inheritDoc */
 177:   public org.omg.CORBA.Object target()
 178:   {
 179:     return request.target();
 180:   }
 181: 
 182:   /** @inheritDoc */
 183:   public Parameter[] arguments()
 184:   {
 185:     request.checkDii();
 186: 
 187:     NVList args = request.arguments();
 188:     Parameter[] p = new Parameter[ args.count() ];
 189:     try
 190:       {
 191:         for (int i = 0; i < p.length; i++)
 192:           {
 193:             ParameterMode mode;
 194: 
 195:             switch (args.item(i).flags())
 196:               {
 197:                 case ARG_IN.value :
 198:                   mode = ParameterMode.PARAM_IN;
 199:                   break;
 200: 
 201:                 case ARG_OUT.value :
 202:                   mode = ParameterMode.PARAM_OUT;
 203:                   break;
 204: 
 205:                 case ARG_INOUT.value :
 206:                   mode = ParameterMode.PARAM_INOUT;
 207:                   break;
 208: 
 209:                 default :
 210:                   throw new Unexpected();
 211:               }
 212: 
 213:             p [ i ] = new Parameter(args.item(i).value(), mode);
 214:           }
 215:       }
 216:     catch (Bounds e)
 217:       {
 218:         throw new Unexpected(e);
 219:       }
 220:     return p;
 221:   }
 222: 
 223:   /** @inheritDoc */
 224:   public Any result()
 225:   {
 226:     request.checkDii();
 227: 
 228:     Any rt = request.return_value();
 229: 
 230:     if (rt == null)
 231:       {
 232:         ORB orb = request.orb();
 233:         rt = orb.create_any();
 234:         rt.type(orb.get_primitive_tc(TCKind.tk_void));
 235:         return rt;
 236:       }
 237: 
 238:     return request.return_value();
 239:   }
 240: 
 241:   /** @inheritDoc */
 242:   public String[] contexts()
 243:   {
 244:     return request.ice_contexts();
 245:   }
 246: 
 247:   /** @inheritDoc */
 248:   public TypeCode[] exceptions()
 249:   {
 250:     request.checkDii();
 251: 
 252:     ExceptionList ex = request.exceptions();
 253:     TypeCode[] et = new TypeCode[ ex.count() ];
 254:     try
 255:       {
 256:         for (int i = 0; i < et.length; i++)
 257:           {
 258:             et [ i ] = ex.item(i);
 259:           }
 260:       }
 261:     catch (Bounds e)
 262:       {
 263:         throw new Unexpected(e);
 264:       }
 265:     return et;
 266:   }
 267: 
 268:   /** @inheritDoc */
 269:   public org.omg.CORBA.Object forward_reference()
 270:   {
 271:     return request.forward_reference();
 272:   }
 273: 
 274:   /** @inheritDoc */
 275:   public String[] operation_context()
 276:   {
 277:     return request.operation_context();
 278:   }
 279: 
 280:   /** @inheritDoc */
 281:   public Any get_slot(int id) throws InvalidSlot
 282:   {
 283:     return request.get_slot(id);
 284:   }
 285: 
 286:   /** @inheritDoc */
 287:   public String operation()
 288:   {
 289:     return request.operation();
 290:   }
 291: 
 292:   /** @inheritDoc */
 293:   public short reply_status()
 294:   {
 295:     return request.reply_status();
 296:   }
 297: 
 298:   /** @inheritDoc */
 299:   public int request_id()
 300:   {
 301:     return request.request_id();
 302:   }
 303: 
 304:   /** @inheritDoc */
 305:   public boolean response_expected()
 306:   {
 307:     return request.response_expected();
 308:   }
 309: 
 310:   /**
 311:        * Determines how far the request shall progress before control is returned to
 312:    * the client. However up till JDK 1.5 inclusive this method always returns
 313:    * SYNC_WITH_TRANSPORT.
 314:    *
 315:    * @return {@link org.omg.Messaging.SYNC_WITH_TRANSPORT.value (1), always.
 316:    *
 317:    * @specnote as defined in the Suns 1.5 JDK API.
 318:    */
 319:   public short sync_scope()
 320:   {
 321:     return request.sync_scope();
 322:   }
 323: 
 324:   /** @inheritDoc */
 325:   public ServiceContext get_reply_service_context(int ctx_name)
 326:     throws BAD_PARAM
 327:   {
 328:     return request.get_reply_service_context(ctx_name);
 329:   }
 330: 
 331:   /** @inheritDoc */
 332:   public ServiceContext get_request_service_context(int ctx_name)
 333:     throws BAD_PARAM
 334:   {
 335:     return request.get_request_service_context(ctx_name);
 336:   }
 337: }