ShopContext.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2016 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.financials.cart;
 
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.impl.context.DefaultConstructor;
import org.turro.file.FileWatch;
import org.turro.financials.cart.delivery.DeliveryContexts;
import org.turro.financials.db.FinancialsPU;
import org.turro.financials.entity.Contract;
import org.zkoss.lang.Strings;
 
public class ShopContext {
 
  private final static String
          SHOP_FILE = "/WEB-INF/elephant/conf/shop.xml";
  
  private String cartPath, checkoutPath, notificationPath, OKPath, KOPath, 
          delivery, fiscal, logistic, contactPhone, locale, currency,
          merchantCode, merchantTerminal, merchantCurrency, merchantKey, 
          merchantKeyType, merchantLanguage;
  private boolean merchantTestScope, selfTestScope;
  private long store, bank;
  private DeliveryContexts deliveryContexts;
  
  public boolean isValid() {
    return !Strings.isBlank(cartPath);
  }
 
  public String getCartPath() {
    return cartPath;
  }
 
  public String getCheckoutPath() {
    return checkoutPath;
  }
 
  public String getNotificationPath() {
    return notificationPath;
  }
 
  public String getOKPath() {
    return OKPath;
  }
 
  public String getKOPath() {
    return KOPath;
  }
 
  public long getStore() {
    return store;
  }
 
  public long getBank() {
    return bank;
  }
 
  public Contract getContractStore() {
    return new FinancialsPU().find(Contract.class, store);
  }
 
  public Contract getContractBank() {
    return new FinancialsPU().find(Contract.class, bank);
  }
 
  public String getDelivery() {
    return delivery;
  }
 
  public String getFiscal() {
    return fiscal;
  }
 
  public String getLogistic() {
    return logistic;
  }
 
  public String getContactPhone() {
    return contactPhone;
  }
 
  public String getLocale() {
    return locale;
  }
 
  public String getCurrency() {
    return currency;
  }
 
  public String getMerchantCode() {
    return merchantCode;
  }
 
  public String getMerchantTerminal() {
    return merchantTerminal;
  }
 
  public String getMerchantCurrency() {
    return merchantCurrency;
  }
 
  public String getMerchantKey() {
    return merchantKey;
  }
 
  public String getMerchantKeyType() {
    return merchantKeyType;
  }
 
  public String getMerchantLanguage() {
    return merchantLanguage;
  }
 
  public boolean isMerchantTestScope() {
    return merchantTestScope;
  }
 
  public boolean isSelfTestScope() {
    return selfTestScope;
  }
 
  public DeliveryContexts getDeliveryContexts() {
    return deliveryContexts;
  }
 
  private void load() {
    Element conf = null;
    SAXBuilder builder = new SAXBuilder();
    Document doc;
    try {
      File confFile = new File(ElephantContext.getRealPath(SHOP_FILE));
      if(confFile.exists()) {
        doc = builder.build(confFile);
        conf = doc.getRootElement();
      }
      if(conf != null) {
        cartPath = readAttribute(conf.getChild("CartPath"), "value", "/cart");
        checkoutPath = readAttribute(conf.getChild("CheckoutPath"), "value", "/cart/checkout");
        notificationPath = readAttribute(conf.getChild("NotificationPath"), "value", "/cart/notification");
        OKPath = readAttribute(conf.getChild("OKPath"), "value", "/cart/OK");
        KOPath = readAttribute(conf.getChild("KOPath"), "value", "/cart/KO");
        store = Long.valueOf(readAttribute(conf.getChild("Store"), "value", "0"));
        bank = Long.valueOf(readAttribute(conf.getChild("Bank"), "value", "0"));
        delivery = readAttribute(conf.getChild("Delivery"), "value", "Delivery");
        fiscal = readAttribute(conf.getChild("Fiscal"), "value", "Fiscal");
        logistic = readAttribute(conf.getChild("Logistic"), "value", "");
        contactPhone = readAttribute(conf.getChild("ContactPhone"), "value", "Contact phone");
        locale = readAttribute(conf.getChild("Locale"), "value", "ca_ES");
        currency = readAttribute(conf.getChild("Currency"), "value", "EUR");
        merchantCode = readAttribute(conf.getChild("MerchantCode"), "value", "");
        merchantTerminal = readAttribute(conf.getChild("MerchantTerminal"), "value", "");
        merchantCurrency = readAttribute(conf.getChild("MerchantCurrency"), "value", "");
        merchantKey = readAttribute(conf.getChild("MerchantKey"), "value", "");
        merchantKeyType = readAttribute(conf.getChild("MerchantKeyType"), "value", "");
        merchantLanguage = readAttribute(conf.getChild("MerchantKeyLanguage"), "value", "");
        merchantTestScope = "true".equals(readAttribute(conf.getChild("MerchantTestScope"), "value", "true"));
        selfTestScope = "true".equals(readAttribute(conf.getChild("SelfTestScope"), "value", "false"));
        deliveryContexts = new DeliveryContexts();
        deliveryContexts.readXML(conf);
      }
    } catch (IOException | JDOMException ex) {
      Logger.getLogger(DefaultConstructor.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
  
  private static String readAttribute(Element child, String attr, String def) {
    return child != null ? child.getAttributeValue(attr) : def;
  }
  
  private ShopContext() {}
  
  private static ShopContext _instance;
  private static long _lastLoad;
 
  public static void reset() {
    _instance = null;
  }
  
  public static ShopContext getInstance() {
    if(_instance == null || FileWatch.isNewer(ElephantContext.getRealPath(SHOP_FILE), _lastLoad)) {
      _instance = new ShopContext();
      _instance.load();
      _lastLoad = FileWatch.getTime(ElephantContext.getRealPath(SHOP_FILE));
    }
    return _instance;
  }
  
}