Re: [TM4J-users] tm4j starter help

[Kal A. <ka...@te...>]

Hi David,

At 17:10 01/10/2001 +0200, geo...@hu... wrote:
>Hi, could anybody please post some lines of code how to write a XTM-file 
>from scratch?
>
>TIA, david
>
>Got no success with the following...
>
>
>       File file = new File("xtmtest01.xml");
>       TopicMapFactory tmf = new TopicMapFactoryImpl();
>
>       TopicMap tm = tmf.createTopicMap();
>       URL xtmurl = new URL("http://topicmap.techquila.com/default");
>       tm.setBase(xtmurl);
>       tm.setName("firststopicmap");
>       tm.setID("tmId");
>
>       Topic topic = tmf.createTopic("justAnId");
>       tm.addTopic(topic);

You didn't say what error you are getting but I guess it is probably a 
DuplicateTopicException. This is because TopicMapFactory.createTopic() also 
adds the topic to the topic map. So if you remove the last line above 
(tm.addTopic(...)) then it should work!

Cheers,

Kal