DocumentClonerServlet.java

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/*
 * Project: Server for annotations sharing
 * Author: Ing. Jaroslav Dytrych idytrych@fit.vutbr.cz
 * File: DocumentClonerServlet.java
 * Description: Servlet for communication with NLP server (for document clonning)
 */

/**
 * @file DocumentClonerServlet.java
 *
 * @brief Servlet for communication with NLP server (for document clonning)
 */

/**
 * @package cz.vutbr.fit.knot.annotations.documentCloner
 * 
 * @brief Classes responsible for cloning document with all annotations
 */
package cz.vutbr.fit.knot.annotations.documentCloner;

import cz.vutbr.fit.knot.annotations.app.Constants;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet for communication with NLP server (for document clonning).
 *
 * @brief Servlet for communication with NLP server (for document clonning)
 * @author Martin Petr (xpetrm05)
 */
public class DocumentClonerServlet extends HttpServlet {

  /**
   * Handles the HTTP
   * <code>GET</code> 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 {
    PrintWriter out = response.getWriter();
    try {
      if (Constants.LOG_LEVEL >= Constants.LOG_LEVEL_ALL) {
        Logger.getLogger(DocumentClonerServlet.class.getName()).log(Level.ALL, "GET request on DocumentClonerServlet");
      }
    } finally {   
      out.close();
    }
  }

  /**
   * Handles the HTTP
   * <code>POST</code> 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 {
    
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
      out.println("OK");
    } finally {      
      out.close();
    }
    
    DocumentClone documentCloner = new DocumentClone();
    documentCloner.cloneDocument(request);
  }

  /**
   * Returns a short description of the servlet.
   *
   * @return a String containing servlet description
   */
  @Override
  public String getServletInfo() {
    return "Servlet for communication with NLP server (for document clonning).";
  }
}  // public class DocumentClonerServlet