/*
* 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.proppatch;
import org.exoplatform.common.http.HTTPStatus;
import org.exoplatform.common.util.HierarchicalProperty;
import org.exoplatform.services.jcr.core.nodetype.NodeTypeDataManager;
import org.exoplatform.services.jcr.core.nodetype.PropertyDefinitionData;
import org.exoplatform.services.jcr.core.nodetype.PropertyDefinitionDatas;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.jcr.impl.core.NodeImpl;
import org.exoplatform.services.jcr.impl.core.SessionImpl;
import org.exoplatform.services.jcr.impl.core.WorkspaceImpl;
import org.exoplatform.services.jcr.webdav.WebDavConst;
import org.exoplatform.services.jcr.webdav.util.PropertyConstants;
import org.exoplatform.services.jcr.webdav.xml.PropertyWriteUtil;
import org.exoplatform.services.jcr.webdav.xml.WebDavNamespaceContext;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.jcr.AccessDeniedException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.Node;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.Workspace;
import javax.ws.rs.core.StreamingOutput;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
/**
* Created by The eXo Platform SAS.
* @author Vitaly Guly - gavrikvetal@gmail.com
*
* @version $Id: $
*/
public class PropPatchResponseEntity implements StreamingOutput
{
/**
* Namespace context.
*/
private final WebDavNamespaceContext nsContext;
/**
* Node.
*/
private Node node;
/**
* Uri.
*/
private final URI uri;
/**
* The list of properties to set.
*/
private final List<HierarchicalProperty> setList;
/**
* The list of properties ro remove.
*/
private final List<HierarchicalProperty> removeList;
/**
* The list of properties that can-not be removed.
*/
protected final static Set<QName> NON_REMOVING_PROPS = new HashSet<QName>();
static
{
NON_REMOVING_PROPS.add(PropertyConstants.CREATIONDATE);
NON_REMOVING_PROPS.add(PropertyConstants.DISPLAYNAME);
NON_REMOVING_PROPS.add(PropertyConstants.GETCONTENTLANGUAGE);
NON_REMOVING_PROPS.add(PropertyConstants.GETCONTENTLENGTH);
NON_REMOVING_PROPS.add(PropertyConstants.GETCONTENTTYPE);
NON_REMOVING_PROPS.add(PropertyConstants.GETLASTMODIFIED);
NON_REMOVING_PROPS.add(PropertyConstants.JCR_DATA);
};
/**
* The list of properties that can-not be changed.
*/
protected final static Set<QName> READ_ONLY_PROPS = new HashSet<QName>();
static
{
READ_ONLY_PROPS.add(PropertyConstants.JCR_DATA);
};
/**
* Constructor.
*
* @param nsContext namespace context
* @param node node
* @param uri iru
* @param setList list of properties to set
* @param removeList list of properties to remove
*/
public PropPatchResponseEntity(WebDavNamespaceContext nsContext, Node node, URI uri,
List<HierarchicalProperty> setList, List<HierarchicalProperty> removeList)
{
this.nsContext = nsContext;
this.node = node;
this.uri = uri;
this.setList = setList;
this.removeList = removeList;
}
/**
* {@inheritDoc}
*/
public void write(OutputStream outStream) throws IOException
{
try
{
XMLStreamWriter xmlStreamWriter =
XMLOutputFactory.newInstance().createXMLStreamWriter(outStream, Constants.DEFAULT_ENCODING);
xmlStreamWriter.setNamespaceContext(nsContext);
xmlStreamWriter.writeStartDocument();
xmlStreamWriter.writeStartElement("D", "multistatus", "DAV:");
xmlStreamWriter.writeNamespace("D", "DAV:");
xmlStreamWriter.writeAttribute("xmlns:b", "urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/");
xmlStreamWriter.writeStartElement("DAV:", "response");
xmlStreamWriter.writeStartElement("DAV:", "href");
xmlStreamWriter.writeCharacters(uri.toASCIIString());
xmlStreamWriter.writeEndElement();
Map<String, Set<HierarchicalProperty>> propStats = getPropStat();
PropertyWriteUtil.writePropStats(xmlStreamWriter, propStats);
xmlStreamWriter.writeEndElement();
// D:multistatus
xmlStreamWriter.writeEndElement();
xmlStreamWriter.writeEndDocument();
}
catch (XMLStreamException exc)
{
throw new IOException(exc.getMessage(), exc);
}
}
/**
* Performs manipulations with properties and returns the list of
* corresponding statuses.
*
* @return map with the list of properties statuses
*/
protected Map<String, Set<HierarchicalProperty>> getPropStat()
{
Map<String, Set<HierarchicalProperty>> propStats = new HashMap<String, Set<HierarchicalProperty>>();
for (int i = 0; i < setList.size(); i++)
{
HierarchicalProperty setProperty = setList.get(i);
String statname = WebDavConst.getStatusDescription(HTTPStatus.OK);
try
{
if (setProperty.getStringName().equals(WebDavConst.NodeTypes.JCR_CONTENT))
{
for (HierarchicalProperty child : setProperty.getChildren())
{
if (child.getChildren().isEmpty())
{
if (node.isNodeType(WebDavConst.NodeTypes.MIX_VERSIONABLE) && !node.isCheckedOut())
{
node.checkout();
node.save();
}
Node content = getContentNode();
statname = setProperty(content, child);
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
HierarchicalProperty jcrContentProp = new HierarchicalProperty(PropertyConstants.JCR_CONTENT);
jcrContentProp.addChild(new HierarchicalProperty(child.getName()));
propSet.add(jcrContentProp);
}
else
{
}
}
}
else
{
statname = setProperty(node, setProperty);
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
propSet.add(new HierarchicalProperty(setProperty.getName()));
}
}
catch (RepositoryException e)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
}
}
for (int i = 0; i < removeList.size(); i++)
{
HierarchicalProperty removeProperty = removeList.get(i);
String statname = WebDavConst.getStatusDescription(HTTPStatus.OK);
if (NON_REMOVING_PROPS.contains(removeProperty.getName()))
{
statname = WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
propSet.add(new HierarchicalProperty(removeProperty.getName()));
continue;
}
if (removeProperty.getStringName().equals(WebDavConst.NodeTypes.JCR_CONTENT))
{
for (HierarchicalProperty child : removeProperty.getChildren())
{
try
{
Node content = getContentNode();
statname = removeProperty(content, child);
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
HierarchicalProperty jcrContentProp =
new HierarchicalProperty(new QName(WebDavConst.NodeTypes.JCR_CONTENT));
jcrContentProp.addChild(new HierarchicalProperty(child.getName()));
propSet.add(jcrContentProp);
}
catch (RepositoryException e)
{
statname = WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
}
}
}
else
{
statname = removeProperty(node, removeProperty);
if (!propStats.containsKey(statname))
{
propStats.put(statname, new HashSet<HierarchicalProperty>());
}
Set<HierarchicalProperty> propSet = propStats.get(statname);
propSet.add(new HierarchicalProperty(removeProperty.getName()));
}
}
return propStats;
}
/**
* Gets the content node.
*
* @return content node
* @throws RepositoryException Repository exception.
*/
public Node getContentNode() throws RepositoryException
{
return node.getNode("jcr:content");
}
/**
* Sets changes the property value.
*
* @param node node
* @param property property to set.
* @return status
*/
private String setProperty(Node node, HierarchicalProperty property)
{
String propertyName = WebDavNamespaceContext.createName(property.getName());
if (READ_ONLY_PROPS.contains(property.getName()))
{
return WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
}
try
{
Workspace ws = node.getSession().getWorkspace();
NodeTypeDataManager nodeTypeHolder = ((WorkspaceImpl)ws).getNodeTypesHolder();
NodeData data = (NodeData)((NodeImpl)node).getData();
InternalQName propName =
((SessionImpl)node.getSession()).getLocationFactory().parseJCRName(propertyName).getInternalName();
PropertyDefinitionDatas propdefs =
nodeTypeHolder.getPropertyDefinitions(propName, data.getPrimaryTypeName(), data.getMixinTypeNames());
if (propdefs == null)
{
throw new RepositoryException();
}
PropertyDefinitionData propertyDefinitionData = propdefs.getAnyDefinition();
if (propertyDefinitionData == null)
{
throw new RepositoryException();
}
boolean isMultiValued = propertyDefinitionData.isMultiple();
if (node.isNodeType(WebDavConst.NodeTypes.MIX_VERSIONABLE) && !node.isCheckedOut())
{
node.checkout();
node.save();
}
if (!isMultiValued)
{
node.setProperty(propertyName, property.getValue());
}
else
{
String[] value = new String[1];
value[0] = property.getValue();
node.setProperty(propertyName, value);
}
node.save();
return WebDavConst.getStatusDescription(HTTPStatus.OK);
}
catch (AccessDeniedException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.FORBIDDEN);
}
catch (ItemNotFoundException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (PathNotFoundException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (RepositoryException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
}
}
/**
* Removes the property.
*
* @param node node
* @param property property
* @return status
*/
private String removeProperty(Node node, HierarchicalProperty property)
{
try
{
node.getProperty(property.getStringName()).remove();
node.save();
return WebDavConst.getStatusDescription(HTTPStatus.OK);
}
catch (AccessDeniedException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.FORBIDDEN);
}
catch (ItemNotFoundException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (PathNotFoundException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.NOT_FOUND);
}
catch (RepositoryException e)
{
return WebDavConst.getStatusDescription(HTTPStatus.CONFLICT);
}
}
}