/**
* 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.portal.pom.config.tasks;
import org.exoplatform.commons.utils.LazyPageList;
import org.exoplatform.commons.utils.ListAccess;
import org.exoplatform.portal.application.PortletPreferences;
import org.exoplatform.portal.config.Query;
import org.exoplatform.portal.pom.config.POMTask;
import org.exoplatform.portal.pom.data.Mapper;
import org.exoplatform.portal.pom.data.NavigationData;
import org.exoplatform.portal.pom.data.PageData;
import org.exoplatform.portal.pom.data.PortalData;
import org.exoplatform.portal.pom.data.PortalKey;
import org.exoplatform.portal.pom.config.POMSession;
import org.gatein.mop.api.workspace.Navigation;
import org.gatein.mop.api.workspace.ObjectType;
import org.gatein.mop.api.workspace.Site;
import org.gatein.mop.api.workspace.Workspace;
import org.gatein.mop.api.workspace.WorkspaceObject;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public abstract class SearchTask<T> implements POMTask<LazyPageList<T>>
{
/** . */
protected final Query<T> q;
public SearchTask(Query<T> query)
{
this.q = query;
}
public abstract static class FindSiteObject<W extends WorkspaceObject, T> extends SearchTask<T>
{
public FindSiteObject(Query<T> query)
{
super(query);
}
public LazyPageList<T> run(final POMSession session) throws Exception
{
Iterator<W> ite;
try
{
String ownerType = q.getOwnerType();
ObjectType<? extends Site> siteType = null;
if (ownerType != null)
{
siteType = Mapper.parseSiteType(ownerType);
}
ite = findW(session, siteType, q.getOwnerId(), q.getTitle());
}
catch (IllegalArgumentException e)
{
ite = Collections.<W> emptyList().iterator();
}
//
final ArrayList<W> array = new ArrayList<W>();
while (ite.hasNext())
{
array.add(ite.next());
}
//
final Iterator<W> it = array.iterator();
ListAccess<T> la = new ListAccess<T>()
{
public T[] load(int index, int length) throws Exception, IllegalArgumentException
{
T[] result = createT(length);
for (int i = 0; i < length; i++)
{
T t = loadT(session, it.next());
result[i] = t;
}
return result;
}
public int getSize() throws Exception
{
return array.size();
}
};
//
return new LazyPageList<T>(la, 10);
}
protected abstract Iterator<W> findW(POMSession session, ObjectType<? extends Site> siteType, String ownerId,
String title);
protected abstract T[] createT(int length);
protected abstract T loadT(POMSession session, W w);
}
public static class FindPage extends FindSiteObject<org.gatein.mop.api.workspace.Page, PageData>
{
public FindPage(Query<PageData> pageQuery)
{
super(pageQuery);
}
protected Iterator<org.gatein.mop.api.workspace.Page> findW(POMSession session,
ObjectType<? extends Site> siteType, String ownerId, String title)
{
return session.findObjects(ObjectType.PAGE, siteType, q.getOwnerId(), q.getTitle());
}
protected PageData[] createT(int length)
{
return new PageData[length];
}
protected PageData loadT(POMSession session, org.gatein.mop.api.workspace.Page w)
{
return new Mapper(session).load(w);
}
}
public static class FindNavigation extends FindSiteObject<Navigation, NavigationData>
{
public FindNavigation(Query<NavigationData> pageQuery)
{
super(pageQuery);
}
protected Iterator<Navigation> findW(POMSession session, ObjectType<? extends Site> siteType, String ownerId,
String title)
{
return session.findObjects(ObjectType.NAVIGATION, siteType, q.getOwnerId(), q.getTitle());
}
protected NavigationData[] createT(int length)
{
return new NavigationData[length];
}
protected NavigationData loadT(POMSession session, Navigation w)
{
return new Mapper(session).load(w);
}
}
public static class FindPortletPreferences extends SearchTask<PortletPreferences>
{
public FindPortletPreferences(Query<PortletPreferences> portletPreferencesQuery)
{
super(portletPreferencesQuery);
}
public LazyPageList<PortletPreferences> run(final POMSession session) throws Exception
{
// We return empty on purpose at it is used when preferences are deleted by the UserPortalConfigService
// and the prefs are deleted transitively when an entity is removed
return new LazyPageList<PortletPreferences>(new ListAccess<PortletPreferences>()
{
public PortletPreferences[] load(int index, int length) throws Exception, IllegalArgumentException
{
throw new AssertionError();
}
public int getSize() throws Exception
{
return 0;
}
}, 10);
}
}
public static class FindSite extends SearchTask<PortalData>
{
public FindSite(Query<PortalData> siteQuery)
{
super(siteQuery);
}
public LazyPageList<PortalData> run(final POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
String ownerType = q.getOwnerType();
ObjectType<Site> siteType = ownerType == null ? ObjectType.PORTAL_SITE : Mapper.parseSiteType(ownerType);
final Collection<? extends Site> portals = workspace.getSites(siteType);
final Iterator<? extends Site> iterator = portals.iterator();
ListAccess<PortalData> la = new ListAccess<PortalData>()
{
public PortalData[] load(int index, int length) throws Exception, IllegalArgumentException
{
//Iterator<? extends Site> iterator = portals.iterator();
Mapper mapper = new Mapper(session);
PortalData[] result = new PortalData[length];
for (int i = 0; i < length; i++)
{
result[i] = mapper.load(iterator.next());
}
return result;
}
public int getSize() throws Exception
{
return portals.size();
}
};
return new LazyPageList<PortalData>(la, 10);
}
}
public static class FindSiteKey extends SearchTask<PortalKey>
{
public FindSiteKey(Query<PortalKey> siteQuery)
{
super(siteQuery);
}
public LazyPageList<PortalKey> run(final POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
final Collection<? extends Site> portals = workspace.getSites(ObjectType.PORTAL_SITE);
ListAccess<PortalKey> la = new ListAccess<PortalKey>()
{
public PortalKey[] load(int index, int length) throws Exception, IllegalArgumentException
{
Iterator<? extends Site> iterator = portals.iterator();
PortalKey[] result = new PortalKey[length];
for (int i = 0; i < length; i++)
{
Site site = iterator.next();
result[i] = new PortalKey("portal", site.getName());
}
return result;
}
public int getSize() throws Exception
{
return portals.size();
}
};
return new LazyPageList<PortalKey>(la, 10);
}
}
}