adminsample.java

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/*
 * @author  Reghu
 * @version 1.0
 *
 * Development Environment        :  Oracle9i JDeveloper
 * Name of the Application        :  AdminSample.java
 * Creation/Modification History  :
 *
 * Reghu             30-Dec-2002    Created
 *
 */
package oracle.otnsamples.vsm.client;

import java.awt.Dimension;
import java.awt.Toolkit;

import java.util.ArrayList;

import oracle.otnsamples.util.ServiceLocator;

import oracle.otnsamples.vsm.services.Administration;
import oracle.otnsamples.vsm.services.AdministrationHome;
import oracle.otnsamples.vsm.services.MallNavigation;
import oracle.otnsamples.vsm.services.MallNavigationHome;
import oracle.otnsamples.vsm.services.ProfileManagement;
import oracle.otnsamples.vsm.services.ProfileManagementHome;
import oracle.otnsamples.vsm.services.data.Category;
import oracle.otnsamples.vsm.services.data.Country;
import oracle.otnsamples.vsm.services.data.Guestbook;
import oracle.otnsamples.vsm.services.data.Profile;
import oracle.otnsamples.vsm.services.data.Shop;


/**
 * This java file contains the business logic of the admin utility of VSM
 * application. The business logic includes managing the categories of the
 * mall, Approving/rejecting the new shop requests, managing the guest book
 * entries etc.  The GUI for this sample is handled in AdminFrame.java
 *
 * @author Reghu
 * @version 1.0
 */
public class AdminSample {

  AdminFrame gui;
  private ArrayList countryList = new ArrayList();

  /**
   * Constructor , instantiates GUI.
   */
  public AdminSample() {
    gui = new AdminFrame(this); // Instantiate GUI

    // Diplay the frame in the center of screen
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize  = gui.getSize();

    if(frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }

    if(frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }

    gui.setLocation(
                    (screenSize.width - frameSize.width) / 2,
                    (screenSize.height - frameSize.height) / 2);
    gui.setVisible(true);
  }

  /**
   * Main entry point for the class which instantiates the AdminSample
   */
  public static void init() {

    AdminSample adm = new AdminSample(); // Instantiate DMLSample class
    adm.displayCategories();
    adm.displayGuestBook();
    adm.displayShops();
    adm.getUserData("admin");
  }
  /**
   * This method fetches the user details from the database and populates the
   * corresponding UI. In this scenario it fetches the use details of the mall
   * administrator and populate the Swing UI.
   *
   * @param userName Name of the user
   */
  protected void getUserData(String userName) {

    ProfileManagement profRemote = null;
    MallNavigation mallRemote    = null;

    try {
      // Get the EJB Home 
      ProfileManagementHome profHome =
        (ProfileManagementHome) ServiceLocator.getLocator().getService("ProfileManagement");

      // Get Remote Interface
      profRemote = profHome.create();

      Profile prof = profRemote.getProfile(userName);

      // Get the EJB Home 
      MallNavigationHome mallHome =
        (MallNavigationHome) ServiceLocator.getLocator().getService("MallNavigation");

      // Get Remote Interface
      mallRemote = mallHome.create();

      if(countryList.isEmpty()) {

        Country[] cntry = mallRemote.getCountries();

        for(int i = 0; i < cntry.length; i++) {
          countryList.add(cntry [ i ]);
        }
      }

      // Get the values from the bean and set with the UI
      gui.fname.setText(prof.getFirstName());
      gui.lname.setText(prof.getLastName());
      gui.address.setText(prof.getAddress());
      gui.zip.setText(prof.getZip().toString());
      gui.email.setText(prof.getEmail());
      gui.city.setText(prof.getCity());
      gui.state.setText(prof.getState());

      int selectedIndex = -1;

      for(int i = 0; i < countryList.size(); i++) {

        Country country = (Country) countryList.get(i);
        gui.country.insertItemAt(country.getCountryName(), i);

        if(country.getCountryID().equals(prof.getCountryID())) {
          selectedIndex = i;
        }
      }

      gui.country.setSelectedIndex(selectedIndex);
      gui.phone.setText(prof.getPhone());
      gui.password.setText(prof.getPassword());
      gui.provider.setText(prof.getCardProvider());
      gui.expDate.setText(prof.getCardExpiryDate().toString());
      gui.cardNumb.setText(prof.getCardNumber());

    } catch(Exception e) {
      gui.putStatus("Error in fetching the user details:" + e.getMessage());
    } finally {
      try {
        if(profRemote != null) {
          profRemote.remove();
        }
        if(mallRemote != null) {
          mallRemote.remove();
        }
      } catch(Exception ex) {
        // do nothing
      }
    }
  }
  /**
   * This method updates the user details in the database with the updated
   * values in the SWING UI. In this scenario it updates the user details of
   * the mall administrator.
   *
   * @param userName Name of the user
   * @param role Role of the user
   */
  protected void updateProfile(String userName, String role) {

    ProfileManagement profRemote = null;
    try {
      Profile prof =
        new Profile(
                    userName, gui.fname.getText(), gui.lname.getText(),
                    gui.email.getText(), gui.address.getText(),
                    gui.city.getText(), gui.state.getText(),
                    ((Country) countryList.get(gui.country.getSelectedIndex())).getCountryID(),
                    gui.zip.getText(), gui.phone.getText(), role,
                    new String(gui.password.getPassword()),
                    gui.provider.getText(), gui.cardNumb.getText(),
                    gui.expDate.getText());

      // Get the EJB Home 
      ProfileManagementHome profHome =
        (ProfileManagementHome) ServiceLocator.getLocator().getService("ProfileManagement");

      // Get Remote Interface
      profRemote = profHome.create();

      // Execute the method to get the user profile.
      profRemote.updateProfile(prof);

      gui.putStatus("Successfully updated the user profile");

    } catch(Exception e) {
      gui.putStatus("Error in updating the user profile:" + e.getMessage());
    } finally {
      try {

        if(profRemote != null) {
          profRemote.remove();
        }
      } catch(Exception ex) {

        // do nothing
      }
    }
  }
  /**
   * This method fetches the guestbook details from the database and populates
   * the corresponding UI. The mall admin is having the privileges to manage
   * the guestbook entries.
   */
  protected void displayGuestBook() {

    Administration adminRemote = null;

    try {
      // Get the EJB Home 
      AdministrationHome adminHome =
        (AdministrationHome) ServiceLocator.getLocator().getService("Administration");

      // Get Remote Interface
      adminRemote = adminHome.create();

      // Execute the method to get the user profile.
      Guestbook[] guest = adminRemote.viewGuestbookEntries("en");

      // Populate the guestbook data in the arraylist 
      String rating = "Excellent";
      gui.guestmodel.clearTable();

      for(int i = 0; i < guest.length; i++) {

        ArrayList guestData = new ArrayList();
        guestData.add(guest [ i ].getUserName());
        guestData.add(guest [ i ].getEmail());
        guestData.add(guest [ i ].getCommentDate());

        if("1".equalsIgnoreCase(guest [ i ].getRating())) {
          rating = "Poor";
        } else if("2".equalsIgnoreCase(guest [ i ].getRating())) {
          rating = " Good";
        } else {
          rating = "Excellent";
        }

        guestData.add(guest [ i ].getComments());
        guestData.add(rating);
        guestData.add(guest [ i ].getId());
        gui.guestmodel.insertRow(guestData); // Insert the data in the table
        gui.guestTable.repaint();
      }
    } catch(Exception e) {
      gui.putStatus("Error in fetching the guestbook data: " + e.getMessage());
    } finally {

      try {

        if(adminRemote != null) {
          adminRemote.remove();
        }
      } catch(Exception ex) {
        // do nothing
      }
    }