holidaycalendartestclient1.java

来自「100多M的J2EE培训内容」· Java 代码 · 共 76 行

package meetings;

import com.cwj.meetings.*;
import javax.naming.*;
import java.util.Properties;
import javax.rmi.PortableRemoteObject;

public class HolidayCalendarTestClient1 extends Object {
  private HolidayCalendarHome holidayCalendarHome = null;

  //Construct the EJB test client
  public HolidayCalendarTestClient1() {
    initialize();
  }

  public void initialize() {
    try {
      //get naming context
      Context context = getInitialContext();

      //look up jndi name
      Object ref = context.lookup("Holiday/HolidayCalendar");
      //look up jndi name and cast to Home interface
      holidayCalendarHome = (HolidayCalendarHome) PortableRemoteObject.narrow(ref, HolidayCalendarHome.class);
      HolidayCalendar hcal=holidayCalendarHome.create();
      if(hcal.isCompanyHoliday(new java.util.Date())) {
        System.out.println("Today is a holiday :-)");
      }
      else {
        System.out.println("Today is a working day :-(");
      }
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private Context getInitialContext() throws Exception {
    String url = "t3://127.0.0.1:7001";
    String user = null;
    String password = null;
    Properties properties = null;
    try {
      properties = new Properties();
      properties.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
      properties.put(Context.PROVIDER_URL, url);
      if (user != null) {
        properties.put(Context.SECURITY_PRINCIPAL, user);
        properties.put(Context.SECURITY_CREDENTIALS, password == null ? "" : password);
      }

      return new InitialContext(properties);
    }
    catch(Exception e) {
      System.out.println("Unable to connect to WebLogic server at " + url);
      System.out.println("Please make sure that the server is running.");
      throw e;
    }
  }

  //----------------------------------------------------------------------------
  // Utility Methods
  //----------------------------------------------------------------------------

  public HolidayCalendarHome getHome() {
    return holidayCalendarHome;
  }
  //Main method

  public static void main(String[] args) {
    HolidayCalendarTestClient1 client = new HolidayCalendarTestClient1();
    // Use the getHome() method of the client object to call Home interface
    // methods that will return a Remote interface reference.  Then
    // use that Remote interface reference to access the EJB.
  }
}