/**
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.services.resources.impl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.exoplatform.commons.utils.LazyPageList;
import org.exoplatform.commons.utils.ListAccess;
import org.exoplatform.commons.utils.MapResourceBundle;
import org.exoplatform.commons.utils.PageList;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.services.cache.CacheService;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.resources.ExoResourceBundle;
import org.exoplatform.services.resources.LocaleConfigService;
import org.exoplatform.services.resources.Query;
import org.exoplatform.services.resources.ResourceBundleData;
/**
* Created by The eXo Platform SARL Author : Tung Pham thanhtungty@gmail.com Dec 1, 2007
*/
public class SimpleResourceBundleService extends BaseResourceBundleService {
private final ConcurrentMap<String, ResourceBundleData> bundles = new ConcurrentHashMap<String, ResourceBundleData>();
public SimpleResourceBundleService(InitParams params, CacheService cService, LocaleConfigService localeService)
throws Exception {
log_ = ExoLogger.getLogger("org.exoplatform.services.resources");
localeService_ = localeService;
cache_ = cService.getCacheInstance(ResourceBundleData.class.getSimpleName());
initParams(params);
}
public ResourceBundleData getResourceBundleData(String id) {
return bundles.get(id);
}
public ResourceBundleData removeResourceBundleData(String id) {
if (id == null) {
return null;
}
ResourceBundleData data = bundles.remove(id);
invalidate(id);
return data;
}
public void saveResourceBundle(ResourceBundleData resourceData) {
String id = resourceData.getId();
bundles.put(id, resourceData);
invalidate(id);
}
public PageList<ResourceBundleData> findResourceDescriptions(Query q) {
final ArrayList<ResourceBundleData> list = new ArrayList<ResourceBundleData>();
for (ResourceBundleData data : bundles.values()) {
boolean matches = true;
if (q.getName() != null) {
matches &= q.getName().equals(data.getName());
}
if (q.getLanguage() != null) {
matches &= q.getLanguage().equals(data.getLanguage());
}
if (matches) {
list.add(data);
}
}
Collections.sort(list, new Comparator<ResourceBundleData>() {
public int compare(ResourceBundleData o1, ResourceBundleData o2) {
String l1 = o1.getLanguage();
String l2 = o2.getLanguage();
if (l1 == null) {
return l2 == null ? 0 : 1;
} else {
return l1.compareTo(l2);
}
}
});
return new LazyPageList<ResourceBundleData>(new ListAccess<ResourceBundleData>() {
public ResourceBundleData[] load(int index, int length) throws Exception {
List<ResourceBundleData> sub = list.subList(index, index + length);
return sub.toArray(new ResourceBundleData[sub.size()]);
}
public int getSize() throws Exception {
return list.size();
}
}, 20);
}
@Override
protected ResourceBundle getResourceBundleFromDb(String id, ResourceBundle parent, Locale locale) throws Exception {
ResourceBundleData data = getResourceBundleData(id);
if (data == null) {
return null;
}
return new MapResourceBundle(new ExoResourceBundle(data, parent), locale);
}
}