/*
* 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.command;
import org.exoplatform.common.http.HTTPStatus;
import org.exoplatform.common.util.HierarchicalProperty;
import org.exoplatform.services.jcr.webdav.command.propfind.PropFindRequestEntity;
import org.exoplatform.services.jcr.webdav.command.propfind.PropFindResponseEntity;
import org.exoplatform.services.jcr.webdav.resource.CollectionResource;
import org.exoplatform.services.jcr.webdav.resource.FileResource;
import org.exoplatform.services.jcr.webdav.resource.IllegalResourceTypeException;
import org.exoplatform.services.jcr.webdav.resource.Resource;
import org.exoplatform.services.jcr.webdav.resource.ResourceUtil;
import org.exoplatform.services.jcr.webdav.resource.VersionedCollectionResource;
import org.exoplatform.services.jcr.webdav.resource.VersionedFileResource;
import org.exoplatform.services.jcr.webdav.util.PropertyConstants;
import org.exoplatform.services.jcr.webdav.util.TextUtil;
import org.exoplatform.services.jcr.webdav.xml.WebDavNamespaceContext;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.rest.ExtHttpHeaders;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.jcr.Node;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.xml.namespace.QName;
/**
* Created by The eXo Platform SAS <br>
* Author : <a href="gavrikvetal@gmail.com">Vitaly Guly</a>.
*
* @version $Id: $
*/
public class PropFindCommand
{
/**
* logger.
*/
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.webdav.PropFindCommand");
/**
* Webdav Propfind method implementation.
*
* @param session current session
* @param path resource path
* @param body request body
* @param depth request depth
* @param baseURI base Uri
* @return the instance of javax.ws.rs.core.Response
*/
public Response propfind(Session session, String path, HierarchicalProperty body, int depth, String baseURI)
{
Node node;
try
{
node = (Node)session.getItem(path);
}
catch (PathNotFoundException e)
{
return Response.status(HTTPStatus.NOT_FOUND).entity(e.getMessage()).build();
}
catch (RepositoryException exc)
{
LOG.error(exc.getMessage(), exc);
return Response.serverError().entity(exc.getMessage()).build();
}
WebDavNamespaceContext nsContext;
Resource resource;
try
{
nsContext = new WebDavNamespaceContext(session);
resource = null;
URI uri;
if ("/".equals(node.getPath()))
{
uri = new URI(TextUtil.escape(baseURI, '%', true));
}
else
{
uri = new URI(TextUtil.escape(baseURI + node.getPath(), '%', true));
}
if (ResourceUtil.isVersioned(node))
{
if (ResourceUtil.isFile(node))
{
resource = new VersionedFileResource(uri, node, nsContext);
}
else
{
resource = new VersionedCollectionResource(uri, node, nsContext);
}
}
else
{
if (ResourceUtil.isFile(node))
{
resource = new FileResource(uri, node, nsContext);
}
else
{
resource = new CollectionResource(uri, node, nsContext);
}
}
}
catch (RepositoryException e1)
{
LOG.error(e1.getMessage(), e1);
return Response.serverError().build();
}
catch (URISyntaxException e1)
{
LOG.error(e1.getMessage(), e1);
return Response.serverError().build();
}
catch (IllegalResourceTypeException e1)
{
LOG.error(e1.getMessage(), e1);
return Response.serverError().build();
}
PropFindRequestEntity request = new PropFindRequestEntity(body);
PropFindResponseEntity response;
if (request.getType().equalsIgnoreCase("allprop"))
{
response = new PropFindResponseEntity(depth, resource, null, false);
}
else if (request.getType().equalsIgnoreCase("include"))
{
response = new PropFindResponseEntity(depth, resource, propertyNames(body), false);
}
else if (request.getType().equalsIgnoreCase("propname"))
{
response = new PropFindResponseEntity(depth, resource, null, true);
}
else if (request.getType().equalsIgnoreCase("prop"))
{
response = new PropFindResponseEntity(depth, resource, propertyNames(body), false, session);
}
else
{
return Response.status(HTTPStatus.BAD_REQUEST).entity("Bad Request").build();
}
return Response.status(HTTPStatus.MULTISTATUS).entity(response).header(ExtHttpHeaders.CONTENT_TYPE,
MediaType.TEXT_XML).build();
}
/**
* Returns the set of properties names.
*
* @param body request body.
* @return the set of properties names.
*/
private Set<QName> propertyNames(HierarchicalProperty body)
{
HashSet<QName> names = new HashSet<QName>();
HierarchicalProperty propBody = body.getChild(PropertyConstants.DAV_ALLPROP_INCLUDE);
if (propBody != null)
{
names.add(PropertyConstants.DAV_ALLPROP_INCLUDE);
}
else
{
propBody = body.getChild(0);
}
List<HierarchicalProperty> properties = propBody.getChildren();
Iterator<HierarchicalProperty> propIter = properties.iterator();
while (propIter.hasNext())
{
HierarchicalProperty property = propIter.next();
names.add(property.getName());
}
return names;
}
}