/*
* 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.webdav.xml;
import org.exoplatform.common.http.HTTPStatus;
import org.exoplatform.common.util.HierarchicalProperty;
import org.exoplatform.services.jcr.access.PermissionType;
import org.exoplatform.services.jcr.webdav.WebDavConst;
import org.exoplatform.services.jcr.webdav.resource.Resource;
import org.exoplatform.services.jcr.webdav.util.PropertyConstants;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.security.AccessControlException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.jcr.AccessDeniedException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.xml.namespace.QName;
/**
* Created by The eXo Platform SARL.<br/>
*
* @author Gennady Azarenkov
* @version $Id: $
*/
public class PropstatGroupedRepresentation
{
/**
* logger.
*/
private static Log log = ExoLogger.getLogger("exo.jcr.component.webdav.PropstatGroupedRepresentation");
/**
* properties statuses.
*/
protected final Map<String, Set<HierarchicalProperty>> propStats;
/**
* properties names
*/
protected Set<QName> propNames = null;
/**
* Boolean flag. Shows if only properties names are required (true) or
* properties and values (false).
*/
protected final boolean namesOnly;
/**
* resource.
*/
protected final Resource resource;
/**
* seesion.
*/
protected final Session session;
/**
* @param resource resource
* @param propNames properties names
* @param namesOnly Boolean flag. Shows if only properties names are required
* (true) or properties and values (false).
* @throws RepositoryException {@link RepositoryException}
*/
public PropstatGroupedRepresentation(final Resource resource, final Set<QName> propNames, boolean namesOnly,
final Session session) throws RepositoryException
{
this.session = session;
this.namesOnly = namesOnly;
this.resource = resource;
this.propStats = new HashMap<String, Set<HierarchicalProperty>>();
this.propNames = propNames;
if (propNames != null)
{
this.propNames = new HashSet();
Iterator<QName> propertyNameIter = propNames.iterator();
while (propertyNameIter.hasNext())
{
QName property = propertyNameIter.next();
this.propNames.add(property);
}
}
}
public PropstatGroupedRepresentation(Resource resource, Set<QName> propNames, boolean namesOnly) throws RepositoryException
{
this(resource, propNames, namesOnly, null);
}
/**
* Returns properties statuses.
*
* @return properties statuses
* @throws RepositoryException {@link RepositoryException}
*/
public final Map<String, Set<HierarchicalProperty>> getPropStats() throws RepositoryException
{
String statname = WebDavConst.getStatusDescription(HTTPStatus.OK);
if (propNames == null)
{
propStats.put(statname, resource.getProperties(namesOnly));
}
else
{
for (QName propName : propNames)
{
HierarchicalProperty prop = new HierarchicalProperty(propName);
try
{
if (propName.equals(PropertyConstants.IS_READ_ONLY) && session != null)
{
if (isReadOnly())
{
prop.setValue("1");
}
else
{
prop.setValue("0");
}
statname = WebDavConst.getStatusDescription(HTTPStatus.OK);
}
else
{
prop = resource.getProperty(propName);
statname = WebDavConst.getStatusDescription(HTTPStatus.OK);
}
}
catch (AccessDeniedException exc)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.FORBIDDEN);
log.error(exc.getMessage(), exc);
}
catch (ItemNotFoundException exc)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (PathNotFoundException e)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (RepositoryException e)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.INTERNAL_ERROR);
}
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
propSet.add(prop);
}
}
return propStats;
}
private boolean isReadOnly()
{
String resourcePath = resource.getIdentifier().getPath();
String workspace = session.getWorkspace().getName();
String path = resourcePath.substring(resourcePath.indexOf(workspace) + workspace.length());
try
{
session.checkPermission(path, PermissionType.READ);
}
catch (AccessControlException e1)
{
return false;
}
catch (RepositoryException e1)
{
return false;
}
// Node must not have any permission except "set_property" so checking for this permission
// must throw AccessControlException
try
{
session.checkPermission(path, PermissionType.SET_PROPERTY);
return false;
}
catch (AccessControlException e)
{
return true;
}
catch (RepositoryException e)
{
return false;
}
}
}