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.");
}
}