de.uka.ipd.consensus.impl
Class XTMImportHandler

java.lang.Object
  de.uka.ipd.consensus.impl.XTMImportHandler

All Implemented Interfaces:

ImportHandler

public class XTMImportHandler

extends Object

implements ImportHandler

TODO has to keep base locator! first remove old ontology, then import new one called only on startup

Version:

2006-06-14

Author:

Thomas Much

Constructor Summary

XTMImportHandler(LoggingManager lm, OntologyManager om)

Method Summary

boolean	canMerge() Signals whether this handler can not only load (import), but also merge ontologies
String	getDescription() Returns a short description about this import handler.
String	getExtension() Returns the file extensions of the ontology format that this handler can load, e.g.
void	importOntology(InputStream in) Imports an ontology from the given InputStream.
void	mergeOntology(InputStream in, Collection errors) If this handler supports ontology merging, this method can be called by an application to merge an ontology into the existing ontology.

Methods inherited from class java.lang.Object

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

Constructor Detail

XTMImportHandler

public XTMImportHandler(LoggingManager lm,
                        OntologyManager om)

Method Detail

importOntology

public void importOntology(InputStream in)
                    throws IOException,
                           OntologyManagerException

Description copied from interface: ImportHandler

Imports an ontology from the given InputStream. This method will be called from the OntologyManager during startup of the application, it replaces an existing ontology.

This method is responsible for closing the stream!

Specified by:

importOntology in interface ImportHandler

Parameters:

in - the InputStream to read the ontology from

Throws:

IOException - if an IO error occurrs while reading the stream

OntologyManagerException - if the ontology cannot be loaded for logical reasons

mergeOntology

public void mergeOntology(InputStream in,
                          Collection errors)
                   throws IOException

Description copied from interface: ImportHandler

If this handler supports ontology merging, this method can be called by an application to merge an ontology into the existing ontology.

This method is responsible for closing the stream!

Specified by:

mergeOntology in interface ImportHandler

Parameters:

in - the InputStream to read the ontology from

errors - an empty collection provided by the caller, into which the method can put all exceptions that happen during the merge

Throws:

IOException - if an IO error occurrs while reading the stream

See Also:

ImportHandler.canMerge()

canMerge

public boolean canMerge()

Description copied from interface: ImportHandler

Signals whether this handler can not only load (import), but also merge ontologies

Specified by:

canMerge in interface ImportHandler

Returns:

true if the handler can merge ontologies, false otherwise

See Also:

ImportHandler.mergeOntology(InputStream, Collection)

getExtension

public String getExtension()

Description copied from interface: ImportHandler

Returns the file extensions of the ontology format that this handler can load, e.g. "xtm".

Specified by:

getExtension in interface ImportHandler

Returns:

the file extension for the handlers ontology file format

getDescription

public String getDescription()

Description copied from interface: ImportHandler

Returns a short description about this import handler.

Specified by:

getDescription in interface ImportHandler

Returns:

a description about this handler