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Interface ObjectStreamFactory

All Known Implementing Classes:

ExternalizableHelper.DefaultObjectStreamFactory

public interface ObjectStreamFactory

Provides the means to create ObjectInput and ObjectOutput streams based on primitive data streams in a layered, pluggable fashion.

Author:

cp 2002.08.19

Method Summary

Modifier and Type	Method	Description
ObjectInput	getObjectInput(DataInput in, ClassLoader loader, boolean fForceNew)	Obtain an ObjectInput based on the passed DataInput.
ObjectOutput	getObjectOutput(DataOutput out)	Obtain an ObjectOutput based on the passed DataOutput.

Method Detail

getObjectInput

ObjectInput getObjectInput(DataInput in,
                           ClassLoader loader,
                           boolean fForceNew)
                    throws IOException

Obtain an ObjectInput based on the passed DataInput.

Parameters:

in - the DataInput to be wrapped

loader - the ClassLoader to be used

fForceNew - if true, a new ObjectInput must be returned; otherwise, if the passed stream is already an ObjectInput, it's allowed to be returned instead

Returns:

an ObjectInput that delegates to ("wraps") the passed DataInput

Throws:

IOException - if an I/O exception occurs

getObjectOutput

ObjectOutput getObjectOutput(DataOutput out)
                      throws IOException

Obtain an ObjectOutput based on the passed DataOutput.

Parameters:

out - the DataOutput to be wrapped

Returns:

an ObjectOutput that delegates to ("wraps") the passed DataOutput

Throws:

IOException - if an I/O exception occurs