/**
* 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.factory.Factory;
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.model.Link;
import org.apache.abdera.protocol.server.RequestContext;
import org.apache.abdera.protocol.server.context.ResponseContextException;
import org.xcmis.restatom.AtomCMIS;
import org.xcmis.restatom.AtomUtils;
import org.xcmis.spi.CmisConstants;
import org.xcmis.spi.Connection;
import org.xcmis.spi.InvalidArgumentException;
import org.xcmis.spi.ItemsTree;
import org.xcmis.spi.TypeNotFoundException;
import org.xcmis.spi.model.TypeDefinition;
import java.util.Calendar;
import java.util.List;
/**
* @author <a href="mailto:andrey.parfonov@exoplatform.com">Andrey Parfonov</a>
* @version $Id: TypesDescendantsCollection.java 216 2010-02-12 17:19:50Z
* andrew00x $
*/
public class TypesDescendantsCollection extends CmisTypeCollection
{
public TypesDescendantsCollection(Connection connection)
{
super(connection);
setHref("/typedescendants");
}
/**
* {@inheritDoc}
*/
@Override
public Iterable<TypeDefinition> getEntries(RequestContext request) throws ResponseContextException
{
// To process hierarchically structure override addFeedDetails(Feed, RequestContext) method.
throw new UnsupportedOperationException("entries");
}
/**
* {@inheritDoc}
*/
@Override
protected void addFeedDetails(Feed feed, RequestContext request) throws ResponseContextException
{
try
{
String typeId = request.getTarget().getParameter(AtomCMIS.PARAM_TYPE_ID);
boolean includePropertyDefinitions =
getBooleanParameter(request, AtomCMIS.PARAM_INCLUDE_PROPERTY_DEFINITIONS, false);
int depth = getIntegerParameter(request, AtomCMIS.PARAM_DEPTH, CmisConstants.DEPTH);
Connection connection = getConnection(request);
List<ItemsTree<TypeDefinition>> descendants =
connection.getTypeDescendants(typeId, depth, includePropertyDefinitions);
String down = getTypeChildrenLink(typeId, request);
feed.addLink(down, AtomCMIS.LINK_DOWN, AtomCMIS.MEDIATYPE_ATOM_FEED, null, null, -1);
if (typeId != null)
{
String typeLink = getObjectTypeLink(typeId, request);
feed.addLink(typeLink, AtomCMIS.LINK_VIA, AtomCMIS.MEDIATYPE_ATOM_ENTRY, null, null, -1);
TypeDefinition type = connection.getTypeDefinition(typeId);
String parentType = type.getParentId();
if (parentType != null)
{
String parent = getObjectTypeLink(parentType, request);
feed.addLink(parent, AtomCMIS.LINK_UP, AtomCMIS.MEDIATYPE_ATOM_ENTRY, null, null, -1);
}
}
for (ItemsTree<TypeDefinition> typeContainer : descendants)
{
Entry e = feed.addEntry();
IRI feedIri = new IRI(getFeedIriForEntry(typeContainer.getContainer(), request));
addEntryDetails(request, e, feedIri, typeContainer.getContainer());
if (typeContainer.getChildren() != null && !typeContainer.getChildren().isEmpty())
{
addChildren(e, typeContainer.getChildren(), feedIri, request);
}
}
}
catch (InvalidArgumentException iae)
{
throw new ResponseContextException(createErrorResponse(iae, 400));
}
catch (TypeNotFoundException tnfe)
{
throw new ResponseContextException(createErrorResponse(tnfe, 404));
}
catch (Exception t)
{
throw new ResponseContextException(createErrorResponse(t, 500));
}
}
/**
* Adds the children.
*
* @param entry the entry
* @param children the children
* @param feedIri the feed iri
* @param request the request
*
* @throws ResponseContextException the response context exception
*/
protected void addChildren(Entry entry, List<ItemsTree<TypeDefinition>> children, IRI feedIri, RequestContext request)
throws ResponseContextException
{
Element childrenElement = entry.addExtension(AtomCMIS.CHILDREN);
// In this case entry is parent for feed, so use info from entry for new feed.
String entryId = entry.getId().toString();
Feed childFeed = request.getAbdera().getFactory().newFeed(childrenElement);
childFeed.setId("ch:" + entryId);
childFeed.setTitle("Type Children");
childFeed.addAuthor(entry.getAuthor());
childFeed.setUpdated(entry.getUpdated());
// Copy some links from entry.
List<Link> links =
entry.getLinks(AtomCMIS.LINK_SERVICE, AtomCMIS.LINK_SELF, AtomCMIS.LINK_DOWN,
AtomCMIS.LINK_CMIS_TYPEDESCENDANTS, AtomCMIS.LINK_UP);
for (Link l : links)
{
childFeed.addLink((Link)l.clone());
}
childFeed.addLink(getObjectTypeLink(entryId, request), AtomCMIS.LINK_VIA, AtomCMIS.MEDIATYPE_ATOM_ENTRY, null,
null, -1);
// add cmisra:numItems
Element numItems = request.getAbdera().getFactory().newElement(AtomCMIS.NUM_ITEMS, childrenElement);
numItems.setText(Integer.toString(children.size()));
for (ItemsTree<TypeDefinition> typeContainer : children)
{
Entry ch = entry.getFactory().newEntry(childrenElement);
addEntryDetails(request, ch, feedIri, typeContainer.getContainer());
if (typeContainer.getChildren() != null && typeContainer.getChildren().size() > 0)
{
addChildren(ch, typeContainer.getChildren(), feedIri, request);
}
}
}
/**
* {@inheritDoc}
*/
@Override
public String getTitle(RequestContext request)
{
return "Type Descendants";
}
/**
* {@inheritDoc}
*/
@Override
protected Feed createFeedBase(RequestContext request) throws ResponseContextException
{
Factory factory = request.getAbdera().getFactory();
Feed feed = factory.newFeed();
feed.setId(getId(request));
feed.setTitle(getTitle(request));
feed.addAuthor(getAuthor(request));
feed.setUpdated(AtomUtils.getAtomDate(Calendar.getInstance()));
feed.addLink(getServiceLink(request), AtomCMIS.LINK_SERVICE, AtomCMIS.MEDIATYPE_ATOM_SERVICE, null, null, -1);
return feed;
}
}