/*
* 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.jcr.impl.core;
import org.exoplatform.commons.utils.PrivilegedSystemHelper;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.services.jcr.access.DynamicIdentity;
import org.exoplatform.services.jcr.config.WorkspaceEntry;
import org.exoplatform.services.jcr.core.security.JCRRuntimePermissions;
import org.exoplatform.services.jcr.storage.WorkspaceDataContainer;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.security.ConversationState;
import org.exoplatform.services.security.IdentityConstants;
import javax.jcr.LoginException;
import javax.jcr.RepositoryException;
/**
* Created by The eXo Platform SAS.<br> the factory for jcr Session
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov</a>
* @version $Id: SessionFactory.java 14100 2008-05-12 10:53:47Z gazarenkov $
*/
public class SessionFactory
{
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.SessionFactory");
private final ExoContainer container;
private final String workspaceName;
/**
* JCR Session factory.
*
* @param config WorkspaceEntry
* @param containerContext ExoContainerContext
*/
public SessionFactory(WorkspaceEntry config, ExoContainerContext containerContext)
{
this.container = containerContext.getContainer();
this.workspaceName = config.getName();
boolean tracking =
"true".equalsIgnoreCase(PrivilegedSystemHelper.getProperty("exo.jcr.session.tracking.active", "false"));
if (tracking)
{
long maxAgeMillis = 0;
String maxagevalue = PrivilegedSystemHelper.getProperty("exo.jcr.session.tracking.maxage");
if (maxagevalue != null)
{
try
{
maxAgeMillis = Long.parseLong(maxagevalue) * 1000;
}
catch (NumberFormatException e)
{
if (LOG.isTraceEnabled())
{
LOG.trace("An exception occurred: " + e.getMessage());
}
}
}
if (maxAgeMillis <= 0)
{
maxAgeMillis = 1000 * 60 * 2; // 2 mns
}
//
try
{
SessionReference.start(maxAgeMillis);
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
if (config.getContainer().getParameterInteger(WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE,
WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE_DEFAULT) < WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE_MIN)
{
// set proper value
config.getContainer().putParameterValue(WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE,
Integer.toString(WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE_MIN));
LOG.warn("Value for \"lazy-node-iterator-page-size\" is too small. Using allowed minimum page size : "
+ WorkspaceDataContainer.LAZY_NODE_ITERATOR_PAGE_SIZE_MIN + ".");
}
}
/**
* Creates Session object by given Credentials
*
* @param credentials
* @return the SessionImpl corresponding to the given {@link ConversationState}
* @throws RepositoryException
*/
SessionImpl createSession(ConversationState user) throws RepositoryException, LoginException
{
if (IdentityConstants.SYSTEM.equals(user.getIdentity().getUserId()))
{
// Need privileges to get system session.
SecurityManager security = System.getSecurityManager();
if (security != null)
{
security.checkPermission(JCRRuntimePermissions.CREATE_SYSTEM_SESSION_PERMISSION);
}
}
else if (DynamicIdentity.DYNAMIC.equals(user.getIdentity().getUserId()))
{
// Need privileges to get Dynamic session.
SecurityManager security = System.getSecurityManager();
if (security != null)
{
security.checkPermission(JCRRuntimePermissions.CREATE_DYNAMIC_SESSION_PERMISSION);
}
}
if (SessionReference.isStarted())
{
return new TrackedSession(workspaceName, user, container);
}
else
{
return new SessionImpl(workspaceName, user, container);
}
}
}