"""
$Id: observer.py,v 1.3 2002/07/17 08:15:51 niko_schmuck Exp $
test the observer while new items pop up over a period
"""
from java.lang import Thread
from java.net import URL
from de.nava.informa.impl.basic import ChannelBuilder
from de.nava.informa.utils import ChannelRegistry
from de.nava.informa.utils import SimpleChannelObserver
# create channel registry
builder = ChannelBuilder()
reg = ChannelRegistry(builder)
# register channels (which should be updated every 15-35 minutes)
c = {}
c[1] = reg.addChannel(URL("http://www.newsforge.com/newsforge.rss"), 15 * 60,
1)
c[2] = reg.addChannel(URL("http://slashdot.org/slashdot.rdf"), 20 * 60, 1)
c[3] = reg.addChannel(URL("http://www.heise.de/newsticker/heise.rdf"), 25 * 60,
1)
c[4] = reg.addChannel(URL("http://xmlhack.com/rss10.php"), 30 * 60, 1)
c[5] = reg.addChannel(URL("http://freshmeat.net/backend/fm.rdf"), 35 * 60, 1)
# create a simple observer which watches out for new items
o = SimpleChannelObserver()
for idx in c.keys():
c[idx].addObserver(o)
# sleep 4 hours (let the updating threads work)
