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*/
package org.biohackathon.SPARQLBuilder.www;
import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.util.*;
import javax.json.*;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.biohackathon.SPARQLBuilder.OWL.*;
/**
*
* @author atsuko
*/
@WebServlet(name = "CLServlet", urlPatterns = {"/clist"})
public class CLServlet extends HttpServlet {
private static final String FILENAME = "cdata/";
/**
* Processes requests for both HTTP GET and POST
* methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
/* TODO output your page here. You may use following sample code. */
out.println("");
out.println("");
out.println("");
out.println("Servlet CLServlet");
out.println("");
out.println("");
out.println("Servlet CLServlet at " + request.getContextPath() + "
");
out.println("");
out.println("");
}
}
//
/**
* Handles the HTTP GET method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//processRequest(request, response);
response.setContentType("application/json;charset=UTF-8");
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "GET");
response.setHeader("Access-Control-Allow-Headers", request.getHeader("Access-Control-Request-Headers"));
response.setHeader("Access-Control-Max-Age", "-1");
PrintWriter out = response.getWriter();
String ep = request.getParameter("ep");
HttpSession session = request.getSession();
QueryPathGenerator qpg = (QueryPathGenerator)session.getAttribute("qpg");
if ( qpg == null ){
qpg = new QueryPathGenerator();
}
SortedSet sortedClasses = new TreeSet(); // display + url
qpg.setSPARQLendpoint(ep);
SClass[] classes = qpg.getClasses(null);
for (int i = 0 ; i < classes.length; i++ ){
String uri = classes[i].getClassURI();
Label[] labels = classes[i].getLabels();
String label = null;
for ( int j = 0 ; j < labels.length; j++ ){
if ( labels[j].getLanguage() == null ){
label = labels[j].getLabel(); break;
}else if ( labels[j].getLanguage().equals("en") ){
label = labels[j].getLabel(); break;
}
}
if ( label == null ){
String[] uris = uri.split("/");
String tmplabel = uris[uris.length-1];
String[] tmplabel2 = tmplabel.split("#");
label = tmplabel2[tmplabel2.length-1];
}
StringBuilder classbuilder = new StringBuilder(label);
classbuilder.append(" (");
classbuilder.append(classes[i].getNumOfInstances());
classbuilder.append(") ");
classbuilder.append(uri);
sortedClasses.add(classbuilder.toString());
}
JsonBuilderFactory jbfactory = Json.createBuilderFactory(null);
JsonArrayBuilder jab = jbfactory.createArrayBuilder();
Iterator cit = sortedClasses.iterator();
while( cit.hasNext() ){
JsonObjectBuilder job = jbfactory.createObjectBuilder();
String classinfo = cit.next();
String[] data = classinfo.split(" ");
if (data.length != 2 ){
System.out.println("data is wrong?");
}
job.add("uri", data[1]);
job.add("display", data[0]);
jab.add(job);
}
JsonArray ja = jab.build();
out.print(ja);
//
}
/**
* Handles the HTTP POST method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}//
}