/*
* Copyright (C) 2011 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.portal.mop.description;
import java.util.Collection;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import org.exoplatform.portal.mop.Described;
import org.exoplatform.portal.mop.i18n.I18NAdapter;
import org.exoplatform.portal.pom.config.POMSession;
import org.exoplatform.portal.pom.config.POMSessionManager;
import org.exoplatform.services.cache.CacheService;
import org.gatein.mop.api.workspace.WorkspaceObject;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
public class DescriptionServiceImpl implements DescriptionService {
/** . */
private final POMSessionManager manager;
/** . */
private DataCache cache;
public DescriptionServiceImpl(POMSessionManager manager) {
this(manager, new SimpleDataCache());
}
public DescriptionServiceImpl(POMSessionManager manager, DataCache cache) {
this.manager = manager;
this.cache = cache;
}
public DescriptionServiceImpl(POMSessionManager manager, CacheService cacheService) {
this(manager, new ExoDataCache(cacheService));
}
public Described.State resolveDescription(String id, Locale locale) throws NullPointerException {
return resolveDescription(id, null, locale);
}
public Described.State resolveDescription(String id, Locale locale2, Locale locale1) throws NullPointerException {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
if (locale1 == null) {
throw new NullPointerException("No null locale accepted");
}
//
POMSession session = manager.getSession();
Described.State state = resolveDescription(session, id, locale1);
if (state == null && locale2 != null) {
state = resolveDescription(session, id, locale2);
}
return state;
}
private Described.State resolveDescription(POMSession session, String id, Locale locale) throws NullPointerException {
return cache.getState(session, new CacheKey(locale, id));
}
public Described.State getDescription(String id, Locale locale) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
if (locale == null) {
throw new NullPointerException("No null locale accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
Described desc = able.getI18NMixin(Described.class, locale, false);
return desc != null ? desc.getState() : null;
}
public void setDescription(String id, Locale locale, Described.State description) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
if (locale == null) {
throw new NullPointerException("No null locale accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
Described desc = able.getI18NMixin(Described.class, locale, true);
cache.removeState(new CacheKey(locale, id));
desc.setState(description);
}
public Described.State getDescription(String id) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
Described desc = able.getMixin(Described.class, false);
return desc != null ? desc.getState() : null;
}
public void setDescription(String id, Described.State description) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
if (description != null) {
Described desc = able.getMixin(Described.class, true);
desc.setState(description);
} else {
able.removeMixin(Described.class);
}
}
public Map<Locale, Described.State> getDescriptions(String id) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
Map<Locale, Described> mixins = able.getI18NMixin(Described.class);
Map<Locale, Described.State> names = null;
if (mixins != null) {
names = new HashMap<Locale, Described.State>(mixins.size());
for (Map.Entry<Locale, Described> entry : mixins.entrySet()) {
names.put(entry.getKey(), entry.getValue().getState());
}
}
return names;
}
public void setDescriptions(String id, Map<Locale, Described.State> descriptions) {
if (id == null) {
throw new NullPointerException("No null id accepted");
}
POMSession session = manager.getSession();
WorkspaceObject obj = session.findObjectById(id);
I18NAdapter able = obj.adapt(I18NAdapter.class);
Collection<Locale> locales = able.removeI18NMixin(Described.class);
for (Locale locale : locales) {
cache.removeState(new CacheKey(locale, id));
}
// Interface specifies it allows a null description map
if (descriptions != null) {
for (Map.Entry<Locale, Described.State> entry : descriptions.entrySet()) {
Described described = able.addI18NMixin(Described.class, entry.getKey());
described.setState(entry.getValue());
}
}
}
}