org.objectweb.david.libs.presentation.portable
Class PortableMarshallerFactory

java.lang.Object
  |
  +--org.objectweb.david.libs.presentation.portable.PortableMarshallerFactory

All Implemented Interfaces:

org.objectweb.david.libs.presentation.portable.Constants, DavidStreamFactory, MarshallerFactory

Direct Known Subclasses:

CDRMarshallerFactory

public class PortableMarshallerFactory

extends Object

implements DavidStreamFactory, org.objectweb.david.libs.presentation.portable.Constants

PortableMarshallerFactory is a factory for "portable" CORBA streams.

Inner Class Summary

class	PortableMarshallerFactory.PortableMarshaller PortableMarshaller is an (abstract) implementation of Marshaller.
class	PortableMarshallerFactory.PortableMarshallerL PortableMarshallerL is a little endian implementation of Marshaller, extending PortableMarshaller.
class	PortableMarshallerFactory.PortableUnMarshaller PortableUnMarshaller is an implementation of UnMarshaller.
class	PortableMarshallerFactory.PortableUnMarshallerD PortableUnMarshallerD is an implementation of UnMarshaller.

Field Summary

protected ChunkFactory	chunk_factory The chunk factory used by this marshaller factory.
static int	CHUNKS
static int	CODEBASE
protected ContextFactory	context_factory A context factory to associate contexts with marshallers.
DavidMarshaller	corba_marshaller a DavidMarshaller instance, for delegation of the marshalling of the complex CORBA types (Object, TypeCode, Any).
DavidUnMarshaller	corba_unmarshaller a DavidUnMarshaller instance, for delegation of the unmarshalling of the complex CORBA types (Object, TypeCode, Any).
static int	INDIRECTION_TAG
static int	MULTIPLE_TYPES
static int	NULL_TAG
static int	SINGLE_TYPE
static int	VALUE_TAG

Constructor Summary

PortableMarshallerFactory(ChunkFactory chunk_factory)
Creates a new marshaller factory.

PortableMarshallerFactory(ChunkFactory chunk_factory, ContextFactory context_factory)
Creates a new marshaller factory.

PortableMarshallerFactory(ChunkFactory chunk_factory, ContextFactory context_factory, DavidMarshallerFactory mf)
Creates a new marshaller factory.

PortableMarshallerFactory(ChunkFactory chunk_factory, ContextFactory context_factory, DavidMarshallerFactory mf, ORB orb)
Creates a new marshaller factory.

PortableMarshallerFactory(ChunkFactory chunk_factory, DavidMarshallerFactory mf)
Creates a new marshaller factory.

Method Summary

DavidInputStream	newInputStream(Chunk chunk, int read) Creates a new input stream, reading data from the specified chunk provider.
DavidInputStream	newInputStream(ChunkProvider message) Creates a new input stream, reading data from the provided chunk.
Marshaller	newMarshaller() Returns a new (little endian) marshaller.
DavidOutputStream	newOutputStream() Returns a (little endian) marshaller.
UnMarshaller	newUnMarshaller(Chunk chunk, int read) Returns a new unmarshaller, using the provided chunk(s) as a data source.
UnMarshaller	newUnMarshaller(ChunkProvider message) Returns a new unmarshaller, using the provided chunk provider as a data source.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

chunk_factory

protected ChunkFactory chunk_factory

The chunk factory used by this marshaller factory.

context_factory

protected ContextFactory context_factory

A context factory to associate contexts with marshallers.

corba_marshaller

public DavidMarshaller corba_marshaller

a DavidMarshaller instance, for delegation of the marshalling of the complex CORBA types (Object, TypeCode, Any).

It may be null if these types are never used.

corba_unmarshaller

public DavidUnMarshaller corba_unmarshaller

a DavidUnMarshaller instance, for delegation of the unmarshalling of the complex CORBA types (Object, TypeCode, Any).

It may be null if these types are never used.

NULL_TAG

public static final int NULL_TAG

VALUE_TAG

public static final int VALUE_TAG

CODEBASE

public static final int CODEBASE

SINGLE_TYPE

public static final int SINGLE_TYPE

MULTIPLE_TYPES

public static final int MULTIPLE_TYPES

CHUNKS

public static final int CHUNKS

INDIRECTION_TAG

public static final int INDIRECTION_TAG

Constructor Detail

PortableMarshallerFactory

public PortableMarshallerFactory(ChunkFactory chunk_factory,
                                 ContextFactory context_factory,
                                 DavidMarshallerFactory mf,
                                 ORB orb)

Creates a new marshaller factory.

Parameters:

chunk_factory - the chunk factory to be used by the new marshaller factory;

context_factory - a context factory;

mf - a David marshaller factory, only used to initialize corba_marshaller and corba_unmarshaller;

orb - an ORB instance.

PortableMarshallerFactory

public PortableMarshallerFactory(ChunkFactory chunk_factory,
                                 ContextFactory context_factory,
                                 DavidMarshallerFactory mf)

Creates a new marshaller factory.

Parameters:

chunk_factory - the chunk factory to be used by the new marshaller factory.

context_factory - a context factory

mf - a David marshaller factory, only used to initialize corba_marshaller and corba_unmarshaller.

PortableMarshallerFactory

public PortableMarshallerFactory(ChunkFactory chunk_factory,
                                 ContextFactory context_factory)

Creates a new marshaller factory.

If this constructor is used,corba_marshaller and corba_unmarshaller are left null.

Parameters:

chunk_factory - the chunk factory to be used by the new marshaller factory.

context_factory - a context factory

PortableMarshallerFactory

public PortableMarshallerFactory(ChunkFactory chunk_factory,
                                 DavidMarshallerFactory mf)

Creates a new marshaller factory.

Parameters:

chunk_factory - the chunk factory to be used by the new marshaller factory.

mf - a David marshaller factory, only used to initialize corba_marshaller and corba_unmarshaller.

PortableMarshallerFactory

public PortableMarshallerFactory(ChunkFactory chunk_factory)

Creates a new marshaller factory.

If this constructor is used,corba_marshaller and corba_unmarshaller are left null.

Parameters:

chunk_factory - the chunk factory to be used by the new marshaller factory.

Method Detail

newMarshaller

public Marshaller newMarshaller()

Returns a new (little endian) marshaller.

Specified by:

newMarshaller in interface MarshallerFactory

Returns:

a new marshaller.

newOutputStream

public DavidOutputStream newOutputStream()

Returns a (little endian) marshaller.

Specified by:

newOutputStream in interface DavidStreamFactory

Returns:

a new marshaller.

newUnMarshaller

public UnMarshaller newUnMarshaller(Chunk chunk,
                                    int read)

Returns a new unmarshaller, using the provided chunk(s) as a data source.

The read parameters is used to initialise the number of bytes read from the message.

Specified by:

newUnMarshaller in interface MarshallerFactory

Parameters:

chunk - a (chain of) chunk(s)

read - the number of bytes already read from the message.

Returns:

an unmarshaller.

newInputStream

public DavidInputStream newInputStream(Chunk chunk,
                                       int read)

Creates a new input stream, reading data from the specified chunk provider.

Specified by:

newInputStream in interface DavidStreamFactory

Parameters:

message - a chunk provider.

Returns:

a new input stream.

newUnMarshaller

public UnMarshaller newUnMarshaller(ChunkProvider message)

Returns a new unmarshaller, using the provided chunk provider as a data source.

Specified by:

newUnMarshaller in interface MarshallerFactory

Parameters:

provider - a chunk provider.

Returns:

a new unmarshaller.

newInputStream

public DavidInputStream newInputStream(ChunkProvider message)

Creates a new input stream, reading data from the provided chunk.

The read parameters indicates the number of bytes read since the beginning of the message.

Specified by:

newInputStream in interface DavidStreamFactory

Parameters:

chunk - a chunk;

read - the number of bytes already read from the message.

Returns:

a new input stream.