/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.api.navigation;
import java.util.Locale;
import java.util.ResourceBundle;
import org.exoplatform.commons.utils.ExpressionUtil;
import org.exoplatform.portal.mop.Described;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.portal.mop.description.DescriptionService;
import org.exoplatform.services.resources.ResourceBundleManager;
import org.gatein.api.ApiException;
import org.gatein.api.PortalRequest;
import org.gatein.api.Util;
import org.gatein.api.site.SiteId;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
*/
public class Navigation18NResolver {
private final DescriptionService service;
private final ResourceBundleManager bundleManager;
private final Locale siteLocale;
private final SiteId siteId;
public Navigation18NResolver(DescriptionService service, ResourceBundleManager bundleManager, Locale siteLocale,
SiteId siteId) {
this.service = service;
this.bundleManager = bundleManager;
this.siteLocale = siteLocale;
this.siteId = siteId;
}
private ResourceBundle getResourceBundle() {
Locale userLocale = getUserLocale();
// Use site locale
if (userLocale == null) {
userLocale = siteLocale;
}
// If site locale is null for some reason, just use default system locale
if (userLocale == null) {
userLocale = Locale.getDefault();
}
SiteKey siteKey = Util.from(siteId);
return bundleManager.getNavigationResourceBundle(userLocale.getLanguage(), siteKey.getTypeName(), siteKey.getName());
}
private Locale getUserLocale() {
return PortalRequest.getInstance().getLocale();
}
public String resolveName(String string, String descriptionId, String defaultValue) {
return resolve(string, descriptionId, defaultValue, true);
}
private String resolve(String string, String descriptionId, String defaultValue, boolean nameFlag) {
String resolved = null;
if (string != null) {
if (ExpressionUtil.isResourceBindingExpression(string)) {
resolved = ExpressionUtil.getExpressionValue(getResourceBundle(), string);
} else {
resolved = string;
}
} else if (descriptionId != null) {
Locale userLocale = getUserLocale();
Described.State described;
try {
if (userLocale != null) {
described = service.resolveDescription(descriptionId, siteLocale, userLocale);
} else {
described = service.resolveDescription(descriptionId, siteLocale);
}
} catch (Throwable t) {
throw new ApiException("Failed to resolve description", t);
}
if (described != null) {
resolved = (nameFlag) ? described.getName() : described.getDescription();
}
}
return (resolved == null) ? defaultValue : resolved;
}
}