Package net.ontopia.topicmaps.utils.rdf

Class RDFFragmentExporter

java.lang.Object

net.ontopia.topicmaps.utils.rdf.RDFFragmentExporter

All Implemented Interfaces:

TopicMapFragmentWriterIF

public class RDFFragmentExporter
extends Object
implements TopicMapFragmentWriterIF

PUBLIC: An RDF fragment exporter which produces RDF/XML. It does so by first building an in-memory Jena model of the fragment, then serializing the entire thing in one go to the stream. The exporter is restricted in the sense that all topics must come from the same topic map.

Since:

5.1.3

Constructor Summary

Constructors

Constructor	Description
RDFFragmentExporter(OutputStream out, String encoding)

Method Summary

Modifier and Type	Method	Description
void	endTopicMap()	PUBLIC: Ends the fragment.
void	exportAll(Iterator<TopicIF> it)	PUBLIC: Exports all the topics returned by the iterator, and wraps them with startTopicMap() and endTopicMap() calls.
void	exportTopic(TopicIF topic)	PUBLIC: Exports the given topic.
void	exportTopics(Iterator<TopicIF> it)	PUBLIC: Exports all the topics returned by the iterator.
void	startTopicMap()	PUBLIC: Starts the fragment.

Methods inherited from class java.lang.Object

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

Constructor Details

RDFFragmentExporter

public RDFFragmentExporter(OutputStream out,
 String encoding)

Method Details

exportAll

public void exportAll(Iterator<TopicIF> it)
               throws IOException

PUBLIC: Exports all the topics returned by the iterator, and wraps them with startTopicMap() and endTopicMap() calls.

Specified by:

exportAll in interface TopicMapFragmentWriterIF

Throws:

IOException

startTopicMap

public void startTopicMap()

PUBLIC: Starts the fragment.

Specified by:

startTopicMap in interface TopicMapFragmentWriterIF

exportTopics

public void exportTopics(Iterator<TopicIF> it)
                  throws IOException

PUBLIC: Exports all the topics returned by the iterator.

Specified by:

exportTopics in interface TopicMapFragmentWriterIF

Throws:

IOException

exportTopic

public void exportTopic(TopicIF topic)
                 throws IOException

PUBLIC: Exports the given topic.

Specified by:

exportTopic in interface TopicMapFragmentWriterIF

Throws:

IOException

endTopicMap

public void endTopicMap()
                 throws IOException

PUBLIC: Ends the fragment.

Specified by:

endTopicMap in interface TopicMapFragmentWriterIF

Throws:

IOException