package com.alexnevsky.hotel.tags;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.BR_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.CAPTION_BEGIN_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.CAPTION_END_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.HR_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TABLE_END_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TABLE_LIGHT_BEGIN_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TAG_END;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TD_ALT_CLASS;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TD_CLASS_BEGIN;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TD_EMPTY_CLASS;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TD_END_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_COL_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_COL_NO_BG_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_END_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_ROW_CLASS_BEGIN;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_SPEC_ALT_CLASS;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TH_SPEC_CLASS;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TR_BEGIN_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.TR_END_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.UL_CLASS_LINK_BEGIN_HTML_TAG;
import static com.alexnevsky.hotel.tags.helpers.HTMLHelper.UL_END_HTML_TAG;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.log4j.Logger;
import com.alexnevsky.hotel.controller.Controller;
import com.alexnevsky.hotel.dao.AbstractDAOFactory;
import com.alexnevsky.hotel.dao.CustomerDAO;
import com.alexnevsky.hotel.dao.exception.DAOException;
import com.alexnevsky.hotel.manager.AttributesManager;
import com.alexnevsky.hotel.manager.MessageManager;
import com.alexnevsky.hotel.model.Customer;
/**
* Customers List JSP Custom Tag.
*
* @version 1.0 06.06.2011
* @author Alex Nevsky
*/
public class CustomersListTag extends TagSupport {
static {
logger = Logger.getLogger(CustomersListTag.class);
}
private static final long serialVersionUID = 1L;
private static Logger logger;
/**
* Provides logics for custom tag.
*/
@Override
public int doStartTag() throws JspException {
JspWriter out = this.pageContext.getOut();
try {
String dataToView = this.getData();
out.write(dataToView);
} catch (IOException e) {
logger.warn(e, e);
} catch (Exception e) {
logger.error(e, e);
}
return SKIP_BODY;
}
private String getData() {
String dataToView = null;
List<Customer> customerList = null;
try {
AbstractDAOFactory daoFactory = Controller.getDAOFactory();
CustomerDAO customerDAO = daoFactory.getCustomerDAO();
customerList = customerDAO.list();
} catch (DAOException ex) {
logger.error(ex, ex);
return MessageManager.DAO_EXCEPTION_ERROR_MESSAGE;
}
dataToView = this.generateHTML(customerList);
return dataToView;
}
private String generateHTML(List<Customer> customerList) {
StringBuilder sb = new StringBuilder();
Locale locale = null;
String specialUserLocale = (String) this.pageContext.getSession().getAttribute(
AttributesManager.PARAM_NAME_SPECIAL_USER_LOCALE);
if (specialUserLocale != null && !specialUserLocale.isEmpty()) {
locale = new Locale(specialUserLocale);
} else {
locale = this.pageContext.getRequest().getLocale();
}
sb.append(TABLE_LIGHT_BEGIN_HTML_TAG);
sb.append(CAPTION_BEGIN_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_CUSTOMERS_INFO, locale));
sb.append(CAPTION_END_HTML_TAG);
sb.append(TR_BEGIN_HTML_TAG);
sb.append(TH_COL_NO_BG_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_ID, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_FIRST_NAME, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_LAST_NAME, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_EMAIL, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_PHONE, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_ADDRESS, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TH_COL_HTML_TAG);
sb.append(this.getMessage(MessageManager.TAG_CREDIT_CARD_NUMBER, locale));
sb.append(TH_END_HTML_TAG);
sb.append(TR_END_HTML_TAG);
String thClass = TH_SPEC_CLASS;
String tdClass = TD_EMPTY_CLASS;
for (Customer customer : customerList) {
Long customerId = customer.getId();
String firstName = customer.getFirstName();
String lastName = customer.getLastName();
String email = customer.getEmail();
String phone = customer.getPhone();
String address = customer.getAddress();
Long creditCardNumber = customer.getCreditCardNumber();
sb.append(TR_BEGIN_HTML_TAG);
sb.append(TH_ROW_CLASS_BEGIN);
sb.append(thClass);
sb.append(TAG_END);
sb.append(customerId);
sb.append(TH_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(firstName);
sb.append(TD_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(lastName);
sb.append(TD_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(email);
sb.append(TD_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(phone);
sb.append(TD_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(address);
sb.append(TD_END_HTML_TAG);
sb.append(TD_CLASS_BEGIN);
sb.append(tdClass);
sb.append(TAG_END);
sb.append(creditCardNumber);
sb.append(TD_END_HTML_TAG);
sb.append(TR_END_HTML_TAG);
if (thClass.equalsIgnoreCase(TH_SPEC_CLASS)) {
thClass = TH_SPEC_ALT_CLASS;
tdClass = TD_ALT_CLASS;
} else {
thClass = TH_SPEC_CLASS;
tdClass = TD_EMPTY_CLASS;
}
}
sb.append(TABLE_END_HTML_TAG);
sb.append(BR_HTML_TAG);
sb.append(UL_CLASS_LINK_BEGIN_HTML_TAG);
sb.append(UL_END_HTML_TAG);
sb.append(BR_HTML_TAG);
sb.append(HR_HTML_TAG);
sb.append(BR_HTML_TAG);
return sb.toString();
}
/**
* Returns string for specified locale.
*
* @param key
* Key to search string for.
* @param loc
* Preferred locale.
* @return Returns string for specified locale.
*/
private String getMessage(String key, Locale locale) {
if (locale != null) {
return MessageManager.getInstance().getProperty(key, locale);
} else {
return MessageManager.getInstance().getProperty(key);
}
}
}