/*
* #%L
* BroadleafCommerce Common Libraries
* %%
* Copyright (C) 2009 - 2013 Broadleaf Commerce
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package org.broadleafcommerce.common.web;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.broadleafcommerce.common.currency.domain.BroadleafCurrency;
import org.broadleafcommerce.common.currency.service.BroadleafCurrencyService;
import org.broadleafcommerce.common.locale.domain.Locale;
import org.broadleafcommerce.common.util.BLCRequestUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.context.request.WebRequest;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
/**
* Author: jerryocanas
* Date: 9/6/12
*/
/**
* Responsible for returning the currency to use for the current request.
*/
@Component("blCurrencyResolver")
public class BroadleafCurrencyResolverImpl implements BroadleafCurrencyResolver {
private final Log LOG = LogFactory.getLog(BroadleafCurrencyResolverImpl.class);
/**
* Parameter/Attribute name for the current currency code
*/
public static String CURRENCY_CODE_PARAM = "blCurrencyCode";
/**
* Parameter/Attribute name for the current currency
*/
public static String CURRENCY_VAR = "blCurrency";
@Resource(name = "blCurrencyService")
private BroadleafCurrencyService broadleafCurrencyService;
/**
* Responsible for returning the currency to use for the current request.
*/
@Override
public BroadleafCurrency resolveCurrency(HttpServletRequest request) {
return resolveCurrency(new ServletWebRequest(request));
}
@Override
public BroadleafCurrency resolveCurrency(WebRequest request) {
BroadleafCurrency currency = null;
// 1) Check request for currency
currency = (BroadleafCurrency) request.getAttribute(CURRENCY_VAR, WebRequest.SCOPE_REQUEST);
// 2) Check for a request parameter
if (currency == null && BLCRequestUtils.getURLorHeaderParameter(request, CURRENCY_CODE_PARAM) != null) {
String currencyCode = BLCRequestUtils.getURLorHeaderParameter(request, CURRENCY_CODE_PARAM);
currency = broadleafCurrencyService.findCurrencyByCode(currencyCode);
if (LOG.isTraceEnabled()) {
LOG.trace("Attempt to find currency by param " + currencyCode + " resulted in " + currency);
}
}
// 3) Check session for currency
if (currency == null && BLCRequestUtils.isOKtoUseSession(request)) {
currency = (BroadleafCurrency) request.getAttribute(CURRENCY_VAR, WebRequest.SCOPE_GLOBAL_SESSION);
}
// 4) Check locale for currency
if (currency == null) {
Locale locale = (Locale) request.getAttribute(BroadleafLocaleResolverImpl.LOCALE_VAR, WebRequest.SCOPE_REQUEST);
if (locale != null) {
currency = locale.getDefaultCurrency();
}
}
// 5) Check default currency from DB
if (currency == null) {
currency = broadleafCurrencyService.findDefaultBroadleafCurrency();
}
if (BLCRequestUtils.isOKtoUseSession(request)) {
request.setAttribute(CURRENCY_VAR, currency, WebRequest.SCOPE_GLOBAL_SESSION);
}
return currency;
}
}