Created
October 17, 2011 14:06
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Slightly modified Jena / Jython example
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from com.hp.hpl.jena.rdf.model import ModelFactory, Resource | |
from com.hp.hpl.jena.vocabulary import VCARD | |
from javax.servlet.http import HttpServlet | |
#Inspired by: http://www.openvest.com/trac/wiki/JenaJython | |
class HelloSemanticWeb(HttpServlet): | |
def testSemantic(self): | |
personURI = "http:#somewhere/JohnSmith" | |
givenName = "John" | |
familyName = "Smith" | |
fullName = givenName + " " + familyName | |
# create an empty model | |
model = ModelFactory.createDefaultModel() | |
# create the resource | |
# and add the properties cascading style | |
johnSmith = model.createResource(personURI) | |
johnSmith.addProperty(VCARD.FN, fullName)\ | |
.addProperty(VCARD.N, \ | |
model.createResource().addProperty(VCARD.Given, givenName)\ | |
.addProperty(VCARD.Family, familyName)) | |
# list the statements in the graph | |
iter_ = model.listStatements() | |
# collect the predicate, subject and object of each statement | |
strCollect = "" | |
while iter_.hasNext(): | |
stmt = iter_.nextStatement() # get next statement | |
sub = stmt.getSubject() # get the subject | |
pred = stmt.getPredicate() # get the predicate | |
obj = stmt.getObject() # get the object | |
strCollect += "<p>" | |
strCollect += sub.toString() + " " | |
strCollect += pred.toString() + " " | |
if isinstance(obj, Resource): | |
strCollect += obj.toString() | |
else: | |
# object is a literal | |
strCollect += " \"" + obj.toString() + "\"" | |
strCollect += "." + "</p>" | |
return strCollect | |
def testFunc(self): | |
return "Function tested" | |
def doGet(self, request, response): | |
semanticresult = self.testSemantic() | |
response.setContentType("text/html") | |
response.getWriter().println("<p><b>Heisann verden!! (Dette er den andre Jython Servlet'en)</b></p>") | |
response.getWriter().println("<p><b>Stuff I found in the database:</b></p>") | |
response.getWriter().println(semanticresult) | |
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