from java.net import URL
from java.lang import System
from java.util import Date
from org.jdom.output import XMLOutputter
from org.jdom.contrib.beans import BeanMapper
from de.nava.informa.impl.basic import Item
# create test bean
item = Item("Bugo", "All about it!", URL("http://nava.de/huhu2002"))
item.setFound(Date())
# bean -> jdom
mapper = BeanMapper()
mapper.setBeanPackage("de.nava.informa.impl.basic")
# problems with mapping an URL object
mapper.ignoreProperty("link")
doc = mapper.toDocument(item)
o = XMLOutputter(" ", 1)
o.output(doc, System.out)
# may throw BeanMapperException
def addItem(channel, title, descr, link):
item = Item(title, descr, URL(link))
item.setFound(Date())
channel.addItem(item)
from java.net import URL
from java.util import Date
from de.nava.informa.impl.basic import Channel
from de.nava.informa.impl.basic import Item
from de.nava.informa.exporters import RSS_0_91_Exporter
# create demo channel
channel = Channel("The Great Demo Channel")
item = Item("Bugo", "All about it!", URL("http://nava.de/huhu2002"))
item.setFound(Date())
channel.addItem(item)
# try to write out to file
exp_file = "test-rss091.xml"
print "Start to export channel to", exp_file
exporter = RSS_0_91_Exporter(exp_file)
exporter.write(channel)
print "Exporting finished."
from de.nava.informa.impl.basic import Channel
from de.nava.informa.impl.basic import Item
def addItem(channel, title, descr, link):
item = Item(title, descr, URL(link))
item.setFound(Date())
channel.addItem(item)
# create demo channel
channel = Channel("The Great Demo Channel")
addItem(channel, "Bugo", "All about it!", "http://nava.de/huhu2002")
addItem(channel, "Python", "Instant Python updated", "http://nava.de/I9")
# convert to array
items = channel.getItems().toArray()
print "items", items
new_item = Item("NN", "Fresh", URL("http://new.com"))
new_items = []
new_items.append(new_item)
for item in items:
new_items.append(item)
items = array(new_items, Object)
print "now items is", items
# update an existing index (adding a new document).
from java.net import URL
from java.util import Date
# from de.nava.informa.impl.basic import ChannelBuilder
# from de.nava.informa.utils import ChannelRegistry
from de.nava.informa.impl.basic import Item
from de.nava.informa.search import ItemDocument
from org.apache.lucene.analysis.standard import StandardAnalyzer
from org.apache.lucene.index import IndexWriter
# update (3rd arg) index writer in directory (first arg)
start_time = Date()
writer = IndexWriter("index", StandardAnalyzer(), 0)
# create new (dummy) item
item = Item("Informa released", "blubb", URL("http://nava.de/news/2002/06/25"))
item.setFound(Date())
# add new item to index
writer.addDocument(ItemDocument.makeDocument(item))
writer.optimize()
writer.close()
end_time = Date()
print "updating the index took %d milliseconds in total." \
% (end_time.getTime() - start_time.getTime())