protected SyntaxChecker getCheckerBPMN(Document document) {
BPMNRDFImporter importer = new BPMNRDFImporter(document);
BPMNDiagram diagram = importer.loadBPMN();
return diagram.getSyntaxChecker();
}
protected void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
try {
if (config == null) {
config = new PropertiesConfiguration("pnengine.properties");
}
} catch (ConfigurationException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
String postVariable = config.getString("pnengine.post_variable");
String engineURL = config.getString("pnengine.url") + "/petrinets";
String engineURL_host = config.getString("pnengine.url");
String modelURL = config.getString("pnengine.default_model_url");
String formURL = null;
String bindingsURL = null;
String rdf = req.getParameter("data");
String diagramTitle = req.getParameter("title");
DocumentBuilder builder;
BPMNDiagram diagram;
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
builder = factory.newDocumentBuilder();
Document document = builder.parse(new ByteArrayInputStream(rdf.getBytes()));
BPMNRDFImporter importer = new BPMNRDFImporter(document);
diagram = (BPMNDiagram) importer.loadBPMN();
String basefilename = String.valueOf(System.currentTimeMillis());
String tmpPNMLFile =
this.getServletContext().getRealPath("/")
+ "tmp"
+ File.separator
+ basefilename
+ ".pnml";
BufferedWriter out1 = new BufferedWriter(new FileWriter(tmpPNMLFile));
// URL only for testing purposes...
ExecConverter converter =
new ExecConverter(diagram, modelURL, this.getServletContext().getRealPath("/"));
converter.setBaseFileName(
this.getServletContext().getRealPath("/") + "tmp" + File.separator + basefilename);
PetriNet net = converter.convert();
ExecPetriNet execnet = (ExecPetriNet) net;
Document pnmlDoc = builder.newDocument();
ExecPNPNMLExporter exp = new ExecPNPNMLExporter();
execnet.setName(diagramTitle);
exp.savePetriNet(pnmlDoc, execnet);
OutputFormat format = new OutputFormat(pnmlDoc);
XMLSerializer serial = new XMLSerializer(out1, format);
serial.asDOMSerializer();
serial.serialize(pnmlDoc.getDocumentElement());
out1.close();
StringWriter stringOut = new StringWriter();
XMLSerializer serial2 = new XMLSerializer(stringOut, format);
serial2.asDOMSerializer();
serial2.serialize(pnmlDoc.getDocumentElement());
URL url_engine = new URL(engineURL);
HttpURLConnection connection_engine = (HttpURLConnection) url_engine.openConnection();
connection_engine.setRequestMethod("POST");
String encoding = new sun.misc.BASE64Encoder().encode("testuser:"******"Authorization", "Basic " + encoding);
connection_engine.setUseCaches(false);
connection_engine.setDoInput(true);
connection_engine.setDoOutput(true);
String escaped_content =
postVariable + "=" + URLEncoder.encode(stringOut.toString(), "UTF-8");
connection_engine.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
connection_engine.setRequestProperty(
"Accept",
"text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5");
// connection_engine.setRequestProperty("Content-Length",
// ""+escaped_content.getBytes().length);
String errorMessage = null;
try {
connection_engine.getOutputStream().write(escaped_content.getBytes());
connection_engine.connect();
} catch (ConnectException e) {
errorMessage = e.getMessage();
}
// output link address
res.getWriter().print("tmp/" + basefilename + ".pnml" + "\">View PNML</a><br/><br/>");
if (errorMessage == null && connection_engine.getResponseCode() == 200) {
res.getWriter()
.println(
"Deployment to Engine <a href=\""
+ engineURL_host
+ "/worklist\" target=\"_blank\">"
+ engineURL_host
+ "</a><br/><b>successful</b>!");
} else {
res.getWriter()
.println(
"Deployment to Engine <a href=\""
+ engineURL
+ "\" target=\"_blank\">"
+ engineURL
+ "</a><br/><b>failed</b> with message: \n"
+ errorMessage
+ "!");
}
} catch (ParserConfigurationException e1) {
res.getWriter().println(e1.getMessage());
} catch (SAXException e1) {
res.getWriter().println(e1.getMessage());
}
}