/*
* 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.protocol.server.RequestContext;
import org.apache.abdera.protocol.server.ResponseContext;
import org.apache.abdera.protocol.server.context.ResponseContextException;
import org.xcmis.restatom.AtomCMIS;
import org.xcmis.restatom.AtomUtils;
import org.xcmis.restatom.abdera.ObjectTypeElement;
import org.xcmis.spi.CmisConstants;
import org.xcmis.spi.Connection;
import org.xcmis.spi.FilterNotValidException;
import org.xcmis.spi.InvalidArgumentException;
import org.xcmis.spi.ItemsList;
import org.xcmis.spi.ObjectNotFoundException;
import org.xcmis.spi.StorageException;
import org.xcmis.spi.model.CmisObject;
import org.xcmis.spi.model.IncludeRelationships;
import org.xcmis.spi.model.Property;
import org.xcmis.spi.model.impl.IdProperty;
import java.util.Calendar;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* @author <a href="mailto:alexey.zavizionov@exoplatform.com">Alexey
* Zavizionov</a>
* @version $Id: $
*
*/
public class UnfiledCollection extends CmisObjectCollection
{
public UnfiledCollection(Connection connection)
{
super(connection);
setHref("/unfiled");
}
/**
* {@inheritDoc}
*/
@Override
public Iterable<CmisObject> getEntries(RequestContext request) throws ResponseContextException
{
throw new UnsupportedOperationException("entries");
}
/**
* {@inheritDoc}
*/
public String getTitle(RequestContext request)
{
return "Unfiled collection";
}
/**
* {@inheritDoc}
*/
@Override
public ResponseContext postEntry(RequestContext request)
{
Entry entry;
try
{
entry = getEntryFromRequest(request);
}
catch (ResponseContextException rce)
{
return rce.getResponseContext();
}
ObjectTypeElement objectElement = entry.getFirstChild(AtomCMIS.OBJECT);
boolean hasCMISElement = objectElement != null;
CmisObject object = hasCMISElement ? objectElement.getObject() : new CmisObject();
updatePropertiesFromEntry(object, entry);
String id = null;
if (hasCMISElement)
{
for (Property<?> p : object.getProperties().values())
{
String pName = p.getId();
if (CmisConstants.OBJECT_ID.equals(pName))
{
id = ((IdProperty)p).getValues().get(0);
}
}
}
try
{
Connection connection = getConnection(request);
connection.removeObjectFromFolder(id, request.getParameter(AtomCMIS.PARAM_REMOVE_FROM));
entry = request.getAbdera().getFactory().newEntry();
try
{
addEntryDetails(request, entry, request.getResolvedUri(), getEntry(id, request));
}
catch (ResponseContextException e)
{
return createErrorResponse(e);
}
String link = getObjectLink(id, request);
return buildCreateEntryResponse(link, entry);
}
catch (ObjectNotFoundException onfe)
{
return createErrorResponse(onfe, 404);
}
catch (InvalidArgumentException iae)
{
return createErrorResponse(iae, 400);
}
catch (Exception t)
{
return createErrorResponse(t, 500);
}
}
/**
* {@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));
// Updated is incorrect when pass Date.
// Abdera uses Calendar.getInstance(TimeZone.getTimeZone("GMT"))
// See org.apache.abdera.model.AtomDate .
feed.setUpdated(AtomUtils.getAtomDate(Calendar.getInstance()));
feed.addLink(getServiceLink(request), "service", "application/atomsvc+xml", null, null, -1);
return feed;
}
/**
* {@inheritDoc}
*/
protected void addFeedDetails(Feed feed, RequestContext request) throws ResponseContextException
{
try
{
boolean includeAllowableActions = getBooleanParameter(request, AtomCMIS.PARAM_INCLUDE_ALLOWABLE_ACTIONS, false);
//String orderBy = request.getParameter(AtomCMIS.PARAM_ORDER_BY);
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);
}
int maxItems = getIntegerParameter(request, AtomCMIS.PARAM_MAX_ITEMS, CmisConstants.MAX_ITEMS);
int skipCount = getIntegerParameter(request, AtomCMIS.PARAM_SKIP_COUNT, CmisConstants.SKIP_COUNT);
Connection connection = getConnection(request);
Iterator<String> iterator = connection.getStorage().getUnfiledObjectsId();
try
{
if (skipCount > 0)
{
for (int count = 0; iterator.hasNext() && (skipCount < 0 || count < skipCount); count++)
{
iterator.next();
}
}
}
catch (NoSuchElementException nse)
{
throw new InvalidArgumentException("skipCount parameter is greater then total number of argument");
}
ItemsList<CmisObject> list = new ItemsList<CmisObject>();
for (int count = 0; iterator.hasNext() && (maxItems < 0 || count < maxItems); count++)
{
String objectId = iterator.next();
list.getItems().add(
connection.getObject(objectId, includeAllowableActions, includeRelationships, false, false, true,
propertyFilter, renditionFilter));
}
list.setHasMoreItems(iterator.hasNext());
list.setNumItems(-1); // ItemsIterator gives -1 if total number is unknown
addPageLinks("", feed, "unfiled", maxItems, skipCount, list.getNumItems(), list.isHasMoreItems(), request);
if (list.getItems().size() > 0)
{
if (list.getNumItems() != -1)
{
// add cmisra:numItems
Element numItems = feed.addExtension(AtomCMIS.NUM_ITEMS);
numItems.setText(Integer.toString(list.getNumItems()));
}
// // add cmisra:hasMoreItems
// Element hasMoreItems = feed.addExtension(AtomCMIS.HAS_MORE_ITEMS);
// hasMoreItems.setText(Boolean.toString(list.isHasMoreItems()));
for (CmisObject object : list.getItems())
{
Entry e = feed.addEntry();
IRI feedIri = new IRI(getFeedIriForEntry(object, request));
addEntryDetails(request, e, feedIri, object);
}
}
}
catch (StorageException re)
{
throw new ResponseContextException(createErrorResponse(re, 500));
}
catch (FilterNotValidException fe)
{
throw new ResponseContextException(createErrorResponse(fe, 400));
}
catch (ObjectNotFoundException onfe)
{
throw new ResponseContextException(createErrorResponse(onfe, 400));
}
catch (InvalidArgumentException iae)
{
throw new ResponseContextException(createErrorResponse(iae, 400));
}
catch (Exception t)
{
throw new ResponseContextException(createErrorResponse(t, 500));
}
}
/**
* {@inheritDoc}
*/
public String getId(RequestContext request)
{
return "cmis:unfiled:" + getRepositoryId(request);
}
}