Package org.jacorb.orb.dynany

Source Code of org.jacorb.orb.dynany.DynAny

package org.jacorb.orb.dynany;

/*
*        JacORB  - a free Java ORB
*
*   Copyright (C) 1997-2004 Gerald Brose.
*
*   This library is free software; you can redistribute it and/or
*   modify it under the terms of the GNU Library General Public
*   License as published by the Free Software Foundation; either
*   version 2 of the License, or (at your option) any later version.
*
*   This library is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*   Library General Public License for more details.
*
*   You should have received a copy of the GNU Library General Public
*   License along with this library; if not, write to the Free
*   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

import java.io.IOException;
import org.slf4j.Logger;
import org.jacorb.orb.TypeCode;
import org.omg.CORBA.BAD_INV_ORDER;
import org.omg.CORBA.INTERNAL;
import org.omg.CORBA.NO_IMPLEMENT;
import org.omg.CORBA.OBJECT_NOT_EXIST;
import org.omg.CORBA.TCKind;
import org.omg.CORBA.portable.InputStream;
import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;

/**
* CORBA DynAny
*
* @author Gerald Brose
* @version $Id: DynAny.java,v 1.28 2009-05-03 21:35:55 andre.spiegel Exp $
*/
public class DynAny
   extends org.omg.CORBA.LocalObject
   implements org.omg.DynamicAny.DynAny
{
   protected org.omg.CORBA.TypeCode typeCode;
   protected int pos = -1;
   protected int limit = 0;
   protected final org.omg.DynamicAny.DynAnyFactory dynFactory;
   protected final org.omg.CORBA.ORB orb;
   private final Logger logger;

   /**
    *  our representation of a primitive type any is the any itself
    */
   private org.omg.CORBA.Any anyRepresentation;

   protected DynAny(org.omg.DynamicAny.DynAnyFactory factory, org.omg.CORBA.ORB orb, Logger logger)
   {
       super();
       this.orb = orb;
       this.dynFactory = factory;
       this.logger = logger;
   }

   DynAny( org.omg.DynamicAny.DynAnyFactory dynFactory,
           org.omg.CORBA.TypeCode type,
           org.omg.CORBA.ORB orb, Logger logger)
      throws TypeMismatch
   {
      this(dynFactory, orb, logger);
      typeCode = TypeCode.originalType( type );
      anyRepresentation = defaultValue( typeCode );
    }

   public org.omg.CORBA.TypeCode type()
   {
      checkDestroyed ();
      return typeCode;
   }

   public void assign(org.omg.DynamicAny.DynAny dyn_any)
      throws TypeMismatch
   {
      checkDestroyed ();
      if( dyn_any.type().equivalent( this.type()))
      {
         try
         {
            from_any( dyn_any.to_any() );
         }
         catch( InvalidValue iv )
         {
            throw unexpectedException(iv);
         }
      }
      else
      {
         throw new TypeMismatch();
      }
   }

   public boolean equal( org.omg.DynamicAny.DynAny dyn_any )
   {
      checkDestroyed ();

      if ( getRepresentation() == null )
      {
         throw new BAD_INV_ORDER ("DynAny not initialized");
      }

      return dyn_any.to_any().equal( getRepresentation() );
   }

   public void from_any(org.omg.CORBA.Any value)
      throws InvalidValue, TypeMismatch
   {
      checkDestroyed ();
      if( ! value.type().equivalent( type()) )
      {
         throw new TypeMismatch();
      }

      typeCode = TypeCode.originalType( value.type() );

      try
      {
         anyRepresentation = (org.jacorb.orb.Any)orb.create_any();
         anyRepresentation.read_value( value.create_input_stream(), type());
      }
      catch( Exception e)
      {
         throw new InvalidValue(e.toString());
      }
   }

   public org.omg.CORBA.Any to_any()
   {
      checkDestroyed ();
      final org.omg.CORBA.Any out_any = orb.create_any();
      out_any.type( type());
      final InputStream in = getRepresentation().create_input_stream();
      try
      {
          out_any.read_value( in, type());
          return out_any;
      }
      finally
      {
          try
          {
              in.close();
          } catch (IOException e)
          {
              logger.error("unable to close stream", e);
          }
      }
   }

   public void destroy()
   {
      checkDestroyed ();
      anyRepresentation = null;
      typeCode = null;
   }

   public org.omg.DynamicAny.DynAny copy()
   {
      checkDestroyed ();
      try
      {
         return dynFactory.create_dyn_any( to_any() );
      }
      catch( org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode tm )
      {
          throw unexpectedException(tm);
      }
   }

   /**
    * returns the DynAny's internal any representation,
    * overwritten in subclasses that represent constructed
    * types and need to traverse structures.
    */

   protected org.omg.CORBA.Any getRepresentation()
   {
      return anyRepresentation;
   }


   public void insert_boolean( boolean value )
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_boolean)
      {
         throw new TypeMismatch ();
      }
      any.insert_boolean(value);
   }


   public void insert_octet( byte value )
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_octet)
      {
         throw new TypeMismatch ();
      }
      any.insert_octet(value);
   }


   public void insert_char(char value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_char)
      {
         throw new TypeMismatch ();
      }
      any.insert_char(value);
   }


   public void insert_short(short value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_short)
      {
         throw new TypeMismatch ();
      }
      any.insert_short(value);
   }


   public void insert_ushort(short value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_ushort)
      {
         throw new TypeMismatch ();
      }
      any.insert_ushort(value);
   }


   public void insert_long(int value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_long)
      {
         throw new TypeMismatch ();
      }
      any.insert_long(value);
   }


   public void insert_ulong(int value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_ulong)
      {
         throw new TypeMismatch ();
      }
      any.insert_ulong(value);
   }


   public void insert_float(float value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_float)
      {
         throw new TypeMismatch ();
      }
      any.insert_float(value);
   }


   public void insert_double(double value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_double)
      {
         throw new TypeMismatch ();
      }
      any.insert_double(value);
   }


   public void insert_string(java.lang.String value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_string)
      {
         throw new TypeMismatch ();
      }
      any.insert_string(value);
   }


   public void insert_reference(org.omg.CORBA.Object value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_objref)
      {
         throw new TypeMismatch ();
      }
      any.insert_Object(value);
   }


   public void insert_typecode(org.omg.CORBA.TypeCode value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_TypeCode)
      {
         throw new TypeMismatch ();
      }
      any.insert_TypeCode(value);
   }

   public void insert_longlong(long value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_longlong)
      {
         throw new TypeMismatch ();
      }
      any.insert_longlong(value);
   }

   public void insert_ulonglong(long value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_ulonglong)
      {
         throw new TypeMismatch ();
      }
      any.insert_ulonglong(value);
   }

   public void insert_wchar(char value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_wchar)
      {
         throw new TypeMismatch ();
      }
      any.insert_wchar(value);
   }

   public void insert_wstring(java.lang.String value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      if( any.type().kind() != org.omg.CORBA.TCKind.tk_wstring)
      {
         throw new TypeMismatch ();
      }
      any.insert_wstring(value);
   }

   public void insert_any(org.omg.CORBA.Any value)
      throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      ifany.type().kind() != org.omg.CORBA.TCKind.tk_any)
      {
         throw new TypeMismatch ();
      }
      any.insert_any(value);
   }

   public void insert_dyn_any(org.omg.DynamicAny.DynAny value)
      throws TypeMismatch
   {
      checkDestroyed ();
      insert_any (value.to_any ());
   }

   public boolean get_boolean() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_boolean();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public byte get_octet() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_octet();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public char get_char() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_char();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public short get_short() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_short();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public short get_ushort() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_ushort();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public int get_long() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_long();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public int get_ulong() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_ulong();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }
   public float get_float() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_float();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public double get_double() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_double();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public java.lang.String get_string() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_string();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public org.omg.CORBA.Object get_reference() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_Object();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public org.omg.CORBA.TypeCode get_typecode() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_TypeCode();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public long get_longlong() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_longlong();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public long get_ulonglong() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_ulonglong();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public char get_wchar() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_wchar();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public java.lang.String get_wstring() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_wstring();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public org.omg.CORBA.Any get_any() throws TypeMismatch
   {
      checkDestroyed ();
      org.omg.CORBA.Any any = getRepresentation();
      try
      {
         return any.extract_any();
      }
      catch( org.omg.CORBA.BAD_OPERATION b )
      {
         throw new TypeMismatch();
      }
   }

   public org.omg.DynamicAny.DynAny get_dyn_any() throws TypeMismatch
   {
      checkDestroyed ();
      try
      {
         return dynFactory.create_dyn_any( get_any () );
      }
      catch( org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode tm )
      {
          throw unexpectedException(tm);
      }
   }

   public int component_count()
   {
      checkDestroyed ();
      return limit;
   }

   public org.omg.DynamicAny.DynAny current_component()
      throws TypeMismatch
   {
      checkDestroyed ();
      throw new TypeMismatch();
   }

   public boolean next()
   {
      checkDestroyed ();
      if( pos < limit-1 )
      {
         pos++;
         return true;
      }
      pos = -1;
      return false;
   }

   public boolean seek(int index)
   {
      checkDestroyed ();
      if( index < 0 )
      {
         pos = -1;
         return false;
      }
      if( index < limit )
      {
         pos = index;
         return true;
      }
      pos = -1;

      return false;
   }

   public void rewind()
   {
      checkDestroyed ();
      seek(0);
   }


   protected void checkDestroyed ()
   {
      if (anyRepresentation == null && typeCode == null)
      {
         throw new OBJECT_NOT_EXIST ();
      }
   }

   private org.omg.CORBA.Any defaultValue(org.omg.CORBA.TypeCode type)
      throws org.omg.DynamicAny.DynAnyPackage.TypeMismatch
   {
      org.omg.CORBA.Any _any = orb.create_any();
      _any.type( type );
      switch( type.kind().value() )
      {
      case TCKind._tk_boolean :
         _any.insert_boolean(false);
         break;
      case TCKind._tk_short:
         _any.insert_short( (short)0 );
         break;
      case TCKind._tk_ushort:
         _any.insert_ushort( (short)0 );
         break;
      case TCKind._tk_long:
         _any.insert_long( 0 );
         break;
      case TCKind._tk_double:
         _any.insert_double( 0 );
         break;
      case TCKind._tk_ulong:
         _any.insert_ulong( 0 );
         break;
      case TCKind._tk_longlong:
         _any.insert_longlong(0);
         break;
      case TCKind._tk_ulonglong:
         _any.insert_ulonglong(0);
         break;
      case TCKind._tk_float:
         _any.insert_float(0);
         break;
      case TCKind._tk_char:
         _any.insert_char((char)0);
         break;
      case TCKind._tk_wchar:
         _any.insert_wchar((char)0);
         break;
      case TCKind._tk_octet:
         _any.insert_octet((byte)0);
         break;
      case TCKind._tk_string:
         _any.insert_string("");
         break;
      case TCKind._tk_wstring:
         _any.insert_wstring("");
         break;
      case TCKind._tk_objref:
         _any.insert_Object(null);
         break;
      case TCKind._tk_TypeCode:
         _any.insert_TypeCode( orb.get_primitive_tc( TCKind.tk_null ) );
         break;
      case TCKind._tk_any:
         org.jacorb.orb.Any any = (org.jacorb.orb.Any)orb.create_any();
         any.type( orb.get_primitive_tc( TCKind.tk_null ));
         _any.insert_any(any);
         break;
      case TCKind._tk_null:
      case TCKind._tk_void:
         // legal TypeCodes that have no associated value
         break;
      default:
         throw new TypeMismatch();
      }
      return _any;
   }

   // methods below suggested by <Philippe.Merle@lifl.fr>,
   // to allow compilation on J2SDK 1.4.2

   public void insert_val(java.io.Serializable value)
   {
       throw new NO_IMPLEMENT("DynAny::insert_val not implemented.");
   }

   public java.io.Serializable get_val()
   {
        throw new NO_IMPLEMENT("DynAny::get_val not implemented");
   }

   protected final INTERNAL unexpectedException(Exception cause)
   {
       logger.debug("An unexpected error occured", cause);
       return new INTERNAL(cause.toString());
   }
}
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