root/trunk/myweb/src/zip/Controller.java

package zip;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class Controller
 */
public class Controller extends HttpServlet {
  private static final long serialVersionUID = 1L;

  /**
   * @see HttpServlet#HttpServlet()
   */
  public Controller() {
    super();
    // TODO Auto-generated constructor stub
  }

  /**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    doPost(request,response); //何もせずにdoPostを呼び出
  }

  /**
   * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
   */
  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String zip=request.getParameter("zip");
    if (zip!=null) {                          //データが送信されていたなら，
      Model model=new Model();                //モデルを生成し，
      model.setZip(zip);                      //パラメータ(zip)を設定，
      model.execute();                        //メイン・タスクを実行する（実装はModel）．
      request.setAttribute("theModel",model); //requestにModelを保管（Viewで取り出す）．
    }
    //制御をJSPに渡す
    this.getServletContext().getRequestDispatcher("/View.jsp").forward(request,response);
  }
}