/**
* Main entry point for writing TM/XML.
*
* <p>This method generates the prefixes and writes TM/XML.
*
* @param topics The topics to write.
* @param topicMap The topic map to which all topics belong to or <tt>null</tt>.
* @throws IOException In case of an error.
*/
private void _write(final Iterable<Topic> topics, final TopicMap topicMap) throws IOException {
_registerPrefixes(topics);
_startTopicMap(topicMap);
final Iterator<Topic> iter = topics.iterator();
if (iter.hasNext()) {
final Topic topic = iter.next();
final TopicMap tm = topic.getTopicMap();
// Assuming that the locator can be used for all topics even if
// they originate from different topic maps.
_defaultNameTypeLocator = tm.createLocator(TMDM.TOPIC_NAME);
_writeTopic(topic);
while (iter.hasNext()) {
_writeTopic(iter.next());
}
}
_endTopicMap();
_prefix2IRI.clear();
_iri2Prefix.clear();
_topic2Reference.clear();
_exportedAssocIds.clear();
}
static boolean isOntopia(TopicMap topicMap) {
return topicMap.getClass().getName().startsWith(_ONTOPIA);
}
static boolean isTinyTim(TopicMap topicMap) {
return topicMap.getClass().getName().startsWith(_TINYTIM);
}
/* (non-Javadoc)
* @see org.tmapix.io.TopicMapWriter#write(org.tmapi.core.TopicMap)
*/
@Override
public void write(final TopicMap topicMap) throws IOException {
super.init(topicMap);
_write(topicMap.getTopics(), topicMap);
}