Package edu.isi.karma.webserver

Source Code of edu.isi.karma.webserver.R2RMLMappingTripleStoreServlet

package edu.isi.karma.webserver;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import edu.isi.karma.er.helper.TripleStoreUtil;

public class R2RMLMappingTripleStoreServlet extends HttpServlet{

  /**
   *
   */
  private static final long serialVersionUID = -4964901214061089214L;
  private String serverAddress = "http://localhost:8080/openrdf-sesame/repositories/karma_models";
  protected void doGet(HttpServletRequest request,
      HttpServletResponse response) throws ServletException, IOException {
    String baseURL = request.getRequestURL().substring(0, request.getRequestURL().lastIndexOf("R2RMLMapping/local/repository/"));
    serverAddress = baseURL + "openrdf-sesame/repositories/karma_models";
    String[] test = request.getParameterValues("modelRepository");
    if (test.length > 0)
      serverAddress = test[0];
    String path = request.getPathInfo();
    String context = "";
    String url = "";
    if (request.getPathInfo() != null) {
      if (path.lastIndexOf("://") != path.indexOf("://")) {
        int pos = path.lastIndexOf("://");
        int length = pos - path.substring(0, pos).lastIndexOf("/");
        context = path.substring(1, pos - length);
        url = path.substring(pos - length + 1);
      }
      else {
        url = path.substring(1);
      }
    }
    TripleStoreUtil util = new TripleStoreUtil();
    //response.getWriter().println(TripleStoreUtil.defaultModelsRepoUrl);
    try {
      response.getWriter().println(util.getMappingFromTripleStore(serverAddress, context, url));
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }

}
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