/**
* Copyright (C) 2010 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.xcmis.restatom.collections;
import org.apache.abdera.i18n.iri.IRI;
import org.apache.abdera.model.Element;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.abdera.protocol.server.RequestContext;
import org.apache.abdera.protocol.server.context.ResponseContextException;
import org.xcmis.restatom.AtomCMIS;
import org.xcmis.spi.CmisConstants;
import org.xcmis.spi.Connection;
import org.xcmis.spi.FilterNotValidException;
import org.xcmis.spi.InvalidArgumentException;
import org.xcmis.spi.ObjectNotFoundException;
import org.xcmis.spi.model.CmisObject;
import org.xcmis.spi.model.IncludeRelationships;
import org.xcmis.spi.model.ObjectParent;
import java.util.List;
/**
* @author <a href="mailto:andrey.parfonov@exoplatform.com">Andrey Parfonov</a>
* @version $Id: ParentsCollection.java 216 2010-02-12 17:19:50Z andrew00x $
*/
public class ParentsCollection extends CmisObjectCollection
{
public ParentsCollection(Connection connection)
{
super(connection);
setHref("/parents");
}
/**
* {@inheritDoc}
*/
public Iterable<CmisObject> getEntries(RequestContext request) throws ResponseContextException
{
// To process hierarchically structure override addFeedDetails(Feed, RequestContext) method.
throw new UnsupportedOperationException("entries");
}
/**
* {@inheritDoc}
*/
public String getTitle(RequestContext request)
{
return "Object Parents";
}
/**
* Adds the feed details.
*
* @param feed the feed
* @param request the request
* @throws ResponseContextException the response context exception
*/
@Override
protected void addFeedDetails(Feed feed, RequestContext request) throws ResponseContextException
{
try
{
boolean includeAllowableActions =
getBooleanParameter(request, AtomCMIS.PARAM_INCLUDE_ALLOWABLE_ACTIONS, false);
boolean includeRelativePathSegment =
getBooleanParameter(request, AtomCMIS.PARAM_INCLUDE_RELATIVE_PATH_SEGMENT, false);
String propertyFilter = request.getParameter(AtomCMIS.PARAM_FILTER);
String renditionFilter = request.getParameter(AtomCMIS.PARAM_RENDITION_FILTER);
IncludeRelationships includeRelationships;
try
{
includeRelationships =
request.getParameter(AtomCMIS.PARAM_INCLUDE_RELATIONSHIPS) == null
|| request.getParameter(AtomCMIS.PARAM_INCLUDE_RELATIONSHIPS).length() == 0
? IncludeRelationships.NONE : IncludeRelationships.fromValue(request
.getParameter(AtomCMIS.PARAM_INCLUDE_RELATIONSHIPS));
}
catch (IllegalArgumentException iae)
{
String msg = "Invalid parameter " + request.getParameter(AtomCMIS.PARAM_INCLUDE_RELATIONSHIPS);
throw new ResponseContextException(msg, 400);
}
Connection connection = getConnection(request);
String objectId = getId(request);
CmisObject object =
connection.getObject(objectId, false, IncludeRelationships.NONE, false, false, true,
CmisConstants.BASE_TYPE_ID, null);
switch (getBaseObjectType(object))
{
case FOLDER :
CmisObject folderParent = connection.getFolderParent(objectId, true, propertyFilter);
if (folderParent != null)
{
// add cmisra:numItems
Element numItems = feed.addExtension(AtomCMIS.NUM_ITEMS);
numItems.setText("1"); // Folder always has only one parent.
Entry e = feed.addEntry();
IRI feedIri = new IRI(getFeedIriForEntry(folderParent, request));
addEntryDetails(request, e, feedIri, folderParent);
String name = object.getObjectInfo().getName();
if (name != null)
{
// add cmisra:relativePathSegment
Element pathSegment = e.addExtension(AtomCMIS.RELATIVE_PATH_SEGMENT);
pathSegment.setText(name);
}
}
break;
default :
List<ObjectParent> parents =
connection.getObjectParents(objectId, includeAllowableActions, includeRelationships,
includeRelativePathSegment, true, propertyFilter, renditionFilter);
if (parents.size() > 0)
{
// add cmisra:numItems
Element numItems = feed.addExtension(AtomCMIS.NUM_ITEMS);
numItems.setText(Integer.toString(parents.size()));
for (ObjectParent parent : parents)
{
Entry e = feed.addEntry();
IRI feedIri = new IRI(getFeedIriForEntry(parent.getObject(), request));
addEntryDetails(request, e, feedIri, parent.getObject());
if (parent.getRelativePathSegment() != null)
{
// add cmisra:relativePathSegment
Element pathSegment = e.addExtension(AtomCMIS.RELATIVE_PATH_SEGMENT);
pathSegment.setText(parent.getRelativePathSegment());
}
}
}
break;
}
}
catch (FilterNotValidException fe)
{
throw new ResponseContextException(createErrorResponse(fe, 500));
}
catch (ObjectNotFoundException onfe)
{
throw new ResponseContextException(createErrorResponse(onfe, 404));
}
catch (InvalidArgumentException iae)
{
throw new ResponseContextException(createErrorResponse(iae, 400));
}
catch (Exception t)
{
throw new ResponseContextException(createErrorResponse(t, 500));
}
}
}