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.util.ArrayList;
import java.util.List;
import org.slf4j.Logger;
import org.jacorb.orb.Any;
import org.jacorb.orb.CDRInputStream;
import org.jacorb.orb.CDROutputStream;
import org.jacorb.orb.TypeCode;
import org.omg.CORBA.INTERNAL;
import org.omg.DynamicAny.DynSequenceHelper;
import org.omg.DynamicAny.DynAnyPackage.InvalidValue;
import org.omg.DynamicAny.DynAnyPackage.TypeMismatch;
/**
* CORBA DynSequence
*
* @author (c) Gerald Brose, FU Berlin 1999
* @version $Id: DynSequence.java,v 1.27 2009-05-03 21:35:55 andre.spiegel Exp $
*/
public final class DynSequence
extends DynAny
implements org.omg.DynamicAny.DynSequence
{
private final List members = new ArrayList();
private int length;
private org.omg.CORBA.TypeCode elementType;
DynSequence( org.omg.DynamicAny.DynAnyFactory dynFactory,
org.omg.CORBA.TypeCode type,
org.omg.CORBA.ORB orb,
Logger logger )
throws TypeMismatch
{
super(dynFactory, orb, logger);
org.omg.CORBA.TypeCode _type = TypeCode.originalType( type );
if( _type.kind() != org.omg.CORBA.TCKind.tk_sequence )
{
throw new TypeMismatch();
}
try
{
typeCode = _type;
elementType = TypeCode.originalType( type().content_type() );
limit = typeCode.length();
length = 0;
}
catch( org.omg.CORBA.TypeCodePackage.BadKind e )
{
throw unexpectedException(e);
}
if (elementType == null)
{
throw new INTERNAL ("DynSequence.set_length, elementType null");
}
}
public void from_any( org.omg.CORBA.Any value )
throws InvalidValue, TypeMismatch
{
checkDestroyed ();
if( ! type().equivalent( value.type() ))
{
throw new org.omg.DynamicAny.DynAnyPackage.TypeMismatch();
}
try
{
typeCode = TypeCode.originalType( value.type() );
super.from_any( value );
limit = type().length();
org.omg.CORBA.portable.InputStream is =
value.create_input_stream();
length = is.read_long();
if( length > 0 )
{
pos = 0;
}
if( limit != 0 && length > limit )
{
throw new InvalidValue();
}
members.clear();
elementType = TypeCode.originalType( type().content_type() );
for( int i = 0 ; i < length; i++ )
{
Any any = (org.jacorb.orb.Any)orb.create_any();
any.read_value( is, elementType );
members.add( any );
}
}
catch( org.omg.CORBA.TypeCodePackage.BadKind e )
{
throw unexpectedException(e);
}
if (elementType == null)
{
throw new INTERNAL ("DynSequence.set_length, elementType null");
}
}
public org.omg.CORBA.Any to_any()
{
checkDestroyed();
org.omg.CORBA.Any out_any = orb.create_any();
out_any.type(type());
final CDROutputStream out = new CDROutputStream(orb);
try
{
out.write_long( length );
for( int i = 0; i < length; i++)
{
out.write_value( elementType,
((Any)members.get(i)).create_input_stream());
}
final CDRInputStream in = new CDRInputStream( orb, out.getBufferCopy());
try
{
out_any.read_value(in, type());
return out_any;
}
finally
{
in.close();
}
}
finally
{
out.close();
}
}
/**
* Overrides equal() in DynAny
*/
public boolean equal( org.omg.DynamicAny.DynAny dyn_any )
{
checkDestroyed ();
if( !type().equal( dyn_any.type()) )
{
return false;
}
org.omg.DynamicAny.DynSequence other = DynSequenceHelper.narrow( dyn_any );
if( other.get_length() != get_length())
{
return false;
}
org.omg.CORBA.Any[] elements = get_elements();
org.omg.CORBA.Any[] other_elements = other.get_elements();
for( int i = 0; i < elements.length; i++ )
{
if( ! (elements[i].equal( other_elements[i] )))
{
return false;
}
}
return true;
}
public int get_length()
{
checkDestroyed ();
return length;
}
public void set_length(int len)
throws InvalidValue
{
checkDestroyed ();
if( limit > 0 && len > limit )
{
throw new InvalidValue();
}
if (elementType == null)
{
throw new INTERNAL ("DynSequence.set_length, elementType null");
}
if( len == 0 )
{
members.clear();
pos = -1;
}
else if( len > length )
{
try
{
for( int i = length; i < len; i++ )
{
// create correctly initialized anys
members.add( dynFactory.create_dyn_any_from_type_code( elementType ).to_any() );
}
}
catch( org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode e )
{
throw unexpectedException(e);
}
if( pos == -1 )
{
pos = len - length - 1;
}
}
else if( len < length )
{
int toremove = length - len;
for (int x=0; x < toremove; ++x)
{
int index = length - 1 - x;
members.remove(index);
}
if( pos > len )
{
pos = -1;
}
}
length = len;
}
public org.omg.CORBA.Any[] get_elements()
{
checkDestroyed ();
Any[] result = new Any[ members.size()];
for( int i = members.size(); i-- > 0; )
{
result[i] = (Any)members.get(i);
}
return result;
}
public void set_elements( org.omg.CORBA.Any[] value )
throws TypeMismatch, InvalidValue
{
checkDestroyed ();
if( limit > 0 && value.length > limit )
{
throw new InvalidValue();
}
for( int i = value.length; i-- > 0 ;)
{
org.omg.CORBA.TypeCode tc = TypeCode.originalType( value[i].type() );
if( tc.kind() != elementType.kind() )
{
throw new TypeMismatch();
}
}
/** ok now */
length = value.length;
members.clear();
for( int i = 0; i < length; i++)
{
members.add( value[i] );
}
if( length > 0 )
{
pos = 0;
}
else
{
pos = -1;
}
}
public org.omg.DynamicAny.DynAny[] get_elements_as_dyn_any()
{
checkDestroyed ();
org.omg.DynamicAny.DynAny[] result =
new org.omg.DynamicAny.DynAny[ members.size()];
try
{
for( int i = members.size(); i-- > 0; )
{
result[i] = dynFactory.create_dyn_any( (Any)members.get(i));
}
return result;
}
catch( org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode e )
{
throw unexpectedException(e);
}
}
public void set_elements_as_dyn_any(org.omg.DynamicAny.DynAny[] value)
throws TypeMismatch, InvalidValue
{
checkDestroyed ();
org.omg.CORBA.Any [] any_seq = new org.omg.CORBA.Any[value.length];
for( int i = value.length; i-- > 0; )
{
any_seq[i] = value[i].to_any();
}
set_elements( any_seq );
}
public void destroy()
{
super.destroy();
members.clear();
elementType = null;
}
/**
* returns the DynAny's internal any representation,
* overwrites
*/
protected org.omg.CORBA.Any getRepresentation()
{
return (Any)members.get(pos);
}
public boolean next()
{
checkDestroyed ();
if( pos < length-1 )
{
pos++;
return true;
}
pos = -1;
return false;
}
public boolean seek(int index)
{
checkDestroyed ();
if( index < 0 )
{
pos = -1;
return false;
}
if( index < length )
{
pos = index;
return true;
}
pos = -1;
return false;
}
/* iteration interface */
public org.omg.DynamicAny.DynAny current_component()
{
checkDestroyed ();
if( pos == -1 )
{
return null;
}
try
{
return dynFactory.create_dyn_any( (Any)members.get(pos) );
}
catch( org.omg.DynamicAny.DynAnyFactoryPackage.InconsistentTypeCode e )
{
throw unexpectedException(e);
}
}
public int component_count()
{
checkDestroyed ();
return get_length();
}
}