/**
* 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.PortalData;
import org.exoplatform.portal.pom.data.PortalKey;
import org.exoplatform.portal.pom.config.POMSession;
import org.gatein.mop.api.workspace.ObjectType;
import org.gatein.mop.api.workspace.Site;
import org.gatein.mop.api.workspace.Workspace;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
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 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 static Serializable PORTAL_KEY = "FindPortalSiteKey";
/** . */
public static Serializable GROUP_KEY = "FindGroupSiteKey";
/** . */
private final ObjectType<Site> type;
/** . */
private final Serializable key;
public FindSiteKey(Query<PortalKey> siteQuery)
{
super(siteQuery);
//
ObjectType<Site> type;
Serializable key;
if ("portal".equals(siteQuery.getOwnerType()))
{
type = ObjectType.PORTAL_SITE;
key = PORTAL_KEY;
}
else if ("group".equals(siteQuery.getOwnerType()))
{
type = ObjectType.GROUP_SITE;
key = GROUP_KEY;
}
else
{
throw new IllegalArgumentException("Invalid site type " + siteQuery.getOwnerType());
}
//
this.type = type;
this.key = key;
}
public ObjectType<Site> getType()
{
return type;
}
public Serializable getKey()
{
return key;
}
public LazyPageList<PortalKey> run(final POMSession session) throws Exception
{
Workspace workspace = session.getWorkspace();
Collection<Site> sites = workspace.getSites(type);
final ArrayList<PortalKey> keys = new ArrayList<PortalKey>(sites.size());
for (Site site : sites)
{
keys.add(new PortalKey(q.getOwnerType(), site.getName()));
}
ListAccess<PortalKey> la = new ListAccess<PortalKey>()
{
public PortalKey[] load(int index, int length) throws Exception, IllegalArgumentException
{
PortalKey[] result = new PortalKey[length];
for (int i = 0; i < length; i++)
{
result[i] = keys.get(index++);
}
return result;
}
public int getSize() throws Exception
{
return keys.size();
}
};
return new LazyPageList<PortalKey>(la, 10);
}
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[query=" + q + "]";
}
}