protected void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
try {
DateFormat df = DateFormat.getDateTimeInstance();
String titleStr = "C3P0 Status - " + df.format(new Date());
DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
DocumentBuilder db = fact.newDocumentBuilder();
Document doc = db.newDocument();
Element htmlElem = doc.createElement("html");
Element headElem = doc.createElement("head");
Element titleElem = doc.createElement("title");
titleElem.appendChild(doc.createTextNode(titleStr));
Element bodyElem = doc.createElement("body");
Element h1Elem = doc.createElement("h1");
h1Elem.appendChild(doc.createTextNode(titleStr));
Element h3Elem = doc.createElement("h3");
h3Elem.appendChild(doc.createTextNode("PooledDataSources"));
Element pdsDlElem = doc.createElement("dl");
pdsDlElem.setAttribute("class", "PooledDataSources");
for (Iterator ii = C3P0Registry.getPooledDataSources().iterator(); ii.hasNext(); ) {
PooledDataSource pds = (PooledDataSource) ii.next();
StatusReporter sr = findStatusReporter(pds, doc);
pdsDlElem.appendChild(sr.reportDtElem());
pdsDlElem.appendChild(sr.reportDdElem());
}
headElem.appendChild(titleElem);
htmlElem.appendChild(headElem);
bodyElem.appendChild(h1Elem);
bodyElem.appendChild(h3Elem);
bodyElem.appendChild(pdsDlElem);
htmlElem.appendChild(bodyElem);
res.setContentType("application/xhtml+xml");
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
Source src = new DOMSource(doc);
Result result = new StreamResult(res.getOutputStream());
transformer.transform(src, result);
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new ServletException(e);
}
}
private Transformer buildTransformer(String name, File xslDir, TransformerFactory tf)
throws Exception {
Transformer tr =
tf.newTransformer(
new StreamSource(
new FileReader(xslDir.getAbsolutePath() + File.separatorChar + name + ".xsl")));
tr.setOutputProperty(OutputKeys.INDENT, "yes");
tr.setOutputProperty(OutputKeys.METHOD, "html");
tr.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
return tr;
}
public void init(ServletConfig config) throws ServletException {
super.init(config);
context = config.getServletContext();
TextProcessor tp = new CaseFolder();
try {
wikipedia =
new Wikipedia(
context.getInitParameter("mysql_server"),
context.getInitParameter("mysql_database"),
context.getInitParameter("mysql_user"),
context.getInitParameter("mysql_password"));
} catch (Exception e) {
throw new ServletException("Could not connect to wikipedia database.");
}
// Escaper escaper = new Escaper() ;
definer = new Definer(this);
comparer = new Comparer(this);
searcher = new Searcher(this);
try {
wikifier = new Wikifier(this, tp);
} catch (Exception e) {
System.err.println("Could not initialize wikifier");
}
try {
File dataDirectory = new File(context.getInitParameter("data_directory"));
if (!dataDirectory.exists() || !dataDirectory.isDirectory()) {
throw new Exception();
}
cachingThread = new CacherThread(dataDirectory, tp);
cachingThread.start();
} catch (Exception e) {
throw new ServletException("Could not locate wikipedia data directory.");
}
try {
TransformerFactory tf = TransformerFactory.newInstance();
transformersByName = new HashMap<String, Transformer>();
transformersByName.put(
"help", buildTransformer("help", new File("/research/wikipediaminer/web/xsl"), tf));
transformersByName.put(
"loading", buildTransformer("loading", new File("/research/wikipediaminer/web/xsl"), tf));
transformersByName.put(
"search", buildTransformer("search", new File("/research/wikipediaminer/web/xsl"), tf));
transformersByName.put(
"compare", buildTransformer("compare", new File("/research/wikipediaminer/web/xsl"), tf));
transformersByName.put(
"wikify", buildTransformer("wikify", new File("/research/wikipediaminer/web/xsl"), tf));
Transformer serializer = TransformerFactory.newInstance().newTransformer();
serializer.setOutputProperty(OutputKeys.INDENT, "yes");
serializer.setOutputProperty(OutputKeys.METHOD, "xml");
serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
transformersByName.put("serializer", serializer);
} catch (Exception e) {
throw new ServletException("Could not load xslt library.");
}
}