prajna.ontology

Class OwlWriter

java.lang.Object

prajna.io.WebFormatWriter<OwlThing>

prajna.ontology.OwlWriter

All Implemented Interfaces:

FormatWriter<OwlThing>

public class OwlWriter
extends WebFormatWriter<OwlThing>

Writer for exporting Owl ontologies to a file or output stream. The OwlWriter will write all known classes and properties, plus designated objects, to the output stream.

Author:

Edward Swing

Constructor Summary

Constructors

Constructor and Description
OwlWriter()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close the OWL file, writing the contents to the specified output stream.
void	writeData(java.util.Collection<OwlThing> things) Write a collection of OwlThings.
void	writeOntology(OwlOntology ont) Write the classes, properties and objects of a particular ontology
void	writeOntology(OwlOntology ont, java.io.File ontFile) Write the classes, properties and objects of a particular ontology.

Methods inherited from class prajna.io.WebFormatWriter

getContentType, getDestination, getWriter, setDestination, setWriter

Methods inherited from class java.lang.Object

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

Constructor Detail

OwlWriter

public OwlWriter()

Method Detail

close

public void close()

Close the OWL file, writing the contents to the specified output stream.

writeData

public void writeData(java.util.Collection<OwlThing> things)
               throws java.io.IOException

Write a collection of OwlThings. The OwlWriter will write all classes and properties, and all OwlThings in the collection. If things is null, it is ignored.

Parameters:

things - the collection of OwlThings to write.

Throws:

java.io.IOException - if there is a problem writing the data

writeOntology

public void writeOntology(OwlOntology ont)

Write the classes, properties and objects of a particular ontology

Parameters:

ont - the ontology to write

writeOntology

public void writeOntology(OwlOntology ont,
                 java.io.File ontFile)
                   throws java.io.IOException

Write the classes, properties and objects of a particular ontology. This method sets the destination to the specified file, writes the ontology, and closes the file. If the ontology file exists, it is saved to fileName_old.owl

Parameters:

ont - the ontology to write

ontFile - the ontology file

Throws:

java.io.IOException - if there is a problem writing the ontology