/*
 * 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.impl.xml.importing;

import org.apache.ws.commons.util.Base64;
import org.apache.ws.commons.util.Base64.DecodingException;
import org.exoplatform.services.jcr.access.AccessManager;
import org.exoplatform.services.jcr.core.ExtendedPropertyType;
import org.exoplatform.services.jcr.core.nodetype.NodeDefinitionData;
import org.exoplatform.services.jcr.core.nodetype.NodeTypeData;
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.dataflow.ItemDataConsumer;
import org.exoplatform.services.jcr.dataflow.ItemState;
import org.exoplatform.services.jcr.datamodel.IllegalPathException;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.datamodel.QPath;
import org.exoplatform.services.jcr.datamodel.ValueData;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.jcr.impl.core.JCRName;
import org.exoplatform.services.jcr.impl.core.LocationFactory;
import org.exoplatform.services.jcr.impl.core.RepositoryImpl;
import org.exoplatform.services.jcr.impl.core.value.BaseValue;
import org.exoplatform.services.jcr.impl.core.value.ValueFactoryImpl;
import org.exoplatform.services.jcr.impl.dataflow.TransientNodeData;
import org.exoplatform.services.jcr.impl.dataflow.TransientPropertyData;
import org.exoplatform.services.jcr.impl.dataflow.TransientValueData;
import org.exoplatform.services.jcr.impl.dataflow.ValueDataConvertor;
import org.exoplatform.services.jcr.impl.util.ISO9075;
import org.exoplatform.services.jcr.impl.util.StringConverter;
import org.exoplatform.services.jcr.impl.xml.importing.dataflow.ImportNodeData;
import org.exoplatform.services.jcr.impl.xml.importing.dataflow.ImportPropertyData;
import org.exoplatform.services.jcr.util.IdGenerator;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.security.ConversationState;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;

import javax.jcr.NamespaceRegistry;
import javax.jcr.PathNotFoundException;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.Value;
import javax.jcr.ValueFormatException;
import javax.jcr.nodetype.ConstraintViolationException;

/**
 * Created by The eXo Platform SAS.
 * 
 * @author <a href="mailto:Sergey.Kabashnyuk@gmail.com">Sergey Kabashnyuk</a>
 * @version $Id: DocumentViewImporter.java 14221 2008-05-14 08:27:41Z ksm $
 */
public class DocumentViewImporter extends BaseXmlImporter
{
   /**
    * 
    */
   private static Log log = ExoLogger.getLogger("exo.jcr.component.core.DocumentViewImporter");

   /**
    * 
    */
   private ImportPropertyData xmlCharactersProperty;

   /**
    * 
    */
   private String xmlCharactersPropertyValue;

   /**
    * DocumentViewImporter constructor.
    * 
    * @param parent NodeData, parent node
    * @param ancestorToSave QPath
    * @param uuidBehavior int
    * @param dataConsumer ItemDataConsumer
    * @param ntManager NodeTypeDataManager
    * @param locationFactory LocationFactory
    * @param valueFactory ValueFactoryImpl
    * @param namespaceRegistry NamespaceRegistry
    * @param accessManager AccessManager
    * @param userState ConversationState
    * @param context Map
    * @param repository RepositoryImpl
    * @param currentWorkspaceName String
    */
   public DocumentViewImporter(NodeData parent, QPath ancestorToSave, int uuidBehavior, ItemDataConsumer dataConsumer,
      NodeTypeDataManager ntManager, LocationFactory locationFactory, ValueFactoryImpl valueFactory,
      NamespaceRegistry namespaceRegistry, AccessManager accessManager, ConversationState userState,
      Map<String, Object> context, RepositoryImpl repository, String currentWorkspaceName)
   {
      super(parent, ancestorToSave, uuidBehavior, dataConsumer, ntManager, locationFactory, valueFactory,
         namespaceRegistry, accessManager, userState, context, repository, currentWorkspaceName);
      xmlCharactersProperty = null;
      xmlCharactersPropertyValue = null;
   }

   /**
    * {@inheritDoc}
    */
   public void characters(char[] ch, int start, int length) throws RepositoryException
   {

      StringBuilder text = new StringBuilder();
      text.append(ch, start, length);
      if (log.isDebugEnabled())
      {
         log.debug("Property:xmltext=" + text + " Parent=" + getParent().getQPath().getAsString());
      }

      if (xmlCharactersProperty != null)
      {
         xmlCharactersPropertyValue += text.toString();
         xmlCharactersProperty.setValue(new TransientValueData(xmlCharactersPropertyValue));
      }
      else
      {
         TransientNodeData nodeData =
            TransientNodeData.createNodeData(getParent(), Constants.JCR_XMLTEXT, Constants.NT_UNSTRUCTURED,
               getNodeIndex(getParent(), Constants.JCR_XMLTEXT, null), getNextChildOrderNum(getParent()));

         changesLog.add(new ItemState(nodeData, ItemState.ADDED, true, getAncestorToSave()));
         if (log.isDebugEnabled())
         {
            log.debug("New node " + nodeData.getQPath().getAsString());
         }

         ImportPropertyData newProperty =
            new ImportPropertyData(QPath.makeChildPath(nodeData.getQPath(), Constants.JCR_PRIMARYTYPE), IdGenerator
               .generate(), 0, PropertyType.NAME, nodeData.getIdentifier(), false);

         newProperty.setValue(new TransientValueData(Constants.NT_UNSTRUCTURED));
         changesLog.add(new ItemState(newProperty, ItemState.ADDED, true, getAncestorToSave()));
         newProperty =
            new ImportPropertyData(QPath.makeChildPath(nodeData.getQPath(), Constants.JCR_XMLCHARACTERS), IdGenerator
               .generate(), 0, PropertyType.STRING, nodeData.getIdentifier(), false);
         newProperty.setValue(new TransientValueData(text.toString()));

         changesLog.add(new ItemState(newProperty, ItemState.ADDED, true, getAncestorToSave()));
         xmlCharactersProperty = newProperty;
         xmlCharactersPropertyValue = text.toString();
      }

   }

   /**
    * {@inheritDoc}
    */
   public void endElement(String uri, String localName, String qName) throws RepositoryException
   {
      tree.pop();
      xmlCharactersProperty = null;
   }

   public void startElement(String namespaceURI, String localName, String qName, Map<String, String> atts)
      throws RepositoryException
   {
      String nodeName = ISO9075.decode(qName);

      if ("jcr:root".equals(nodeName))
      {
         nodeName = "";
      }

      xmlCharactersProperty = null;
      List<NodeTypeData> nodeTypes = new ArrayList<NodeTypeData>();

      HashMap<InternalQName, String> propertiesMap = new HashMap<InternalQName, String>();

      List<InternalQName> mixinNodeTypes = new ArrayList<InternalQName>();
      InternalQName jcrName = locationFactory.parseJCRName(nodeName).getInternalName();

      parseAttr(atts, nodeTypes, mixinNodeTypes, propertiesMap, jcrName);

      ImportNodeData nodeData = createNode(nodeTypes, propertiesMap, mixinNodeTypes, jcrName);

      NodeData parentNodeData = getParent();
      changesLog.add(new ItemState(nodeData, ItemState.ADDED, true, getAncestorToSave()));

      tree.push(nodeData);

      if (log.isDebugEnabled())
      {
         log.debug("Node " + ": " + nodeData.getQPath().getAsString());
      }

      Iterator<InternalQName> keys = propertiesMap.keySet().iterator();

      PropertyData newProperty;

      while (keys.hasNext())
      {
         newProperty = null;

         InternalQName propName = keys.next();
         if (log.isDebugEnabled())
         {
            log.debug("Property NAME: " + propName + "=" + propertiesMap.get(propName));
         }

         if (propName.equals(Constants.JCR_PRIMARYTYPE))
         {
            InternalQName childName =
               locationFactory.parseJCRName(propertiesMap.get(Constants.JCR_PRIMARYTYPE)).getInternalName();
            if (!nodeTypeDataManager.isChildNodePrimaryTypeAllowed(childName, parentNodeData.getPrimaryTypeName(),
               parentNodeData.getMixinTypeNames()))
            {
               throw new ConstraintViolationException("Can't add node " + nodeData.getQName().getAsString() + " to "
                  + parentNodeData.getQPath().getAsString() + " node type "
                  + propertiesMap.get(Constants.JCR_PRIMARYTYPE)
                  + " is not allowed as child's node type for parent node type "
                  + parentNodeData.getPrimaryTypeName().getAsString());

            }
            newProperty = endPrimaryType(nodeData.getPrimaryTypeName());
         }
         else if (propName.equals(Constants.JCR_MIXINTYPES))
         {
            newProperty = endMixinTypes(mixinNodeTypes, propName);
         }
         else if (nodeData.isMixReferenceable() && propName.equals(Constants.JCR_UUID))
         {
            newProperty = endUuid(nodeData, propName, propertiesMap.get(Constants.JCR_UUID));
         }
         else
         {
            PropertyDefinitionData pDef;
            PropertyDefinitionDatas defs;
            InternalQName[] nTypes = mixinNodeTypes.toArray(new InternalQName[mixinNodeTypes.size() + 1]);
            nTypes[nTypes.length - 1] = nodeData.getPrimaryTypeName();
            defs = nodeTypeDataManager.getPropertyDefinitions(propName, nTypes);
            if (defs == null || defs.getAnyDefinition() == null)
            {
               if (!((Boolean)context.get(ContentImporter.RESPECT_PROPERTY_DEFINITIONS_CONSTRAINTS)))
               {
                  log.warn("Property definition not found for " + propName.getAsString());
                  continue;
               }
               throw new RepositoryException("Property definition not found for " + propName.getAsString());
            }

            pDef = defs.getAnyDefinition();

            if ((pDef == null) || (defs == null))
            {
               throw new RepositoryException("no propertyDefinition found");
            }

            if (pDef.getRequiredType() == PropertyType.BINARY)
            {
               newProperty = endBinary(propertiesMap, newProperty, propName);
            }
            else
            {
               StringTokenizer spaceTokenizer = new StringTokenizer(propertiesMap.get(propName));

               List<ValueData> values = new ArrayList<ValueData>();
               int pType = pDef.getRequiredType() > 0 ? pDef.getRequiredType() : PropertyType.STRING;
               
               if (defs.getAnyDefinition().isResidualSet()) 
               {
                  if (nodeData.getQPath().isDescendantOf(Constants.JCR_VERSION_STORAGE_PATH))
                  {
                     if (nodeData.getPrimaryTypeName().equals(Constants.NT_FROZENNODE))
                     {
                        // get primaryType
                        InternalQName fptName = locationFactory.parseJCRName(atts.get("jcr:frozenPrimaryType")).getInternalName();

                        // get mixin types
                        List<JCRName> mtNames = getJCRNames(atts.get("jcr:frozenMixinTypes"));

                        InternalQName fmtName[] = new InternalQName[mtNames.size()];

                        for (int i = 0; i < mtNames.size(); i++)
                        {
                           fmtName[i] = new InternalQName(mtNames.get(i).getNamespace(), mtNames.get(i).getName());
                        }

                        PropertyDefinitionDatas ptVhdefs = nodeTypeDataManager.getPropertyDefinitions(propName, fptName, fmtName);

                        if (ptVhdefs != null)
                        {
                           pType = (ptVhdefs.getAnyDefinition().getRequiredType() > 0 ? ptVhdefs.getAnyDefinition().getRequiredType() : PropertyType.STRING);
                        }
                     }
                  }
               }

               if ("".equals(propertiesMap.get(propName)))
               {
                  // Skip empty non string values
                  if (pType != PropertyType.STRING)
                  {
                     continue;
                  }
                  
                  String denormalizeString = StringConverter.denormalizeString(propertiesMap.get(propName));
                  Value value = valueFactory.createValue(denormalizeString, pType);
                  values.add(((BaseValue)value).getInternalData());
                  if (Constants.EXO_OWNER.equals(propName))
                  {
                     nodeData.setExoOwner(denormalizeString);
                  }
               }
               else
               {
                  List<String> denormalizeStrings = new ArrayList<String>();

                  while (spaceTokenizer.hasMoreTokens())
                  {
                     String elem = spaceTokenizer.nextToken();
                     String denormalizeString = StringConverter.denormalizeString(elem);
                     denormalizeStrings.add(denormalizeString);
                     Value value = valueFactory.createValue(denormalizeString, pType);
                     if (log.isDebugEnabled())
                     {
                        String valueAsString = null;
                        try
                        {
                           valueAsString = value.getString();
                        }
                        catch (Exception e)
                        {
                           log.error("Can't present value as string. " + e.getMessage());
                           valueAsString = "[Can't present value as string]";
                        }
                        log.debug("Property " + ExtendedPropertyType.nameFromValue(pType) + ": " + propName + "="
                           + valueAsString);
                     }
                     values.add(((BaseValue)value).getInternalData());

                  }
                  if (pType == ExtendedPropertyType.PERMISSION)
                  {
                     nodeData.setExoPrivileges(denormalizeStrings);
                  }
                  else if (Constants.EXO_OWNER.equals(propName))
                  {
                     nodeData.setExoOwner(denormalizeStrings.get(0));
                  }
               }

               boolean isMultivalue = true;

               // determinating is property multivalue;
               if (values.size() == 1)
               {
                  PropertyDefinitionDatas vhdefs = null;

                  if (defs.getAnyDefinition().isResidualSet()) 
                  {
                     if (nodeData.getQPath().isDescendantOf(Constants.JCR_VERSION_STORAGE_PATH))
                     {
                        if (nodeData.getPrimaryTypeName().equals(Constants.NT_FROZENNODE))
                        {
                           // get primaryType
                           InternalQName fptName = locationFactory.parseJCRName(atts.get("jcr:frozenPrimaryType")).getInternalName();
   
                           // get mixin types
                           List<JCRName> mtNames = getJCRNames(atts.get("jcr:frozenMixinTypes"));
   
                           InternalQName fmtName[] = new InternalQName[mtNames.size()];
   
                           for (int i = 0; i < mtNames.size(); i++)
                           {
                              fmtName[i] = new InternalQName(mtNames.get(i).getNamespace(), mtNames.get(i).getName());
                           }
   
                           vhdefs = nodeTypeDataManager.getPropertyDefinitions(propName, fptName, fmtName);
   
                           if (vhdefs != null)
                           {
                              isMultivalue = (vhdefs.getDefinition(true) != null ? true : false);
                           }
                        }
                     }
                  }
  
                  // there is single-value defeniton
                  if (vhdefs == null && defs.getDefinition(false) != null)
                  {
                        isMultivalue = false;
                  }
               }
               else
               {
                  if ((defs.getDefinition(true) == null) && (defs.getDefinition(false) != null))
                  {
                     throw new ValueFormatException("Can not assign multiple-values Value"
                        + " to a single-valued property " + propName.getAsString() + " node " + jcrName.getName());
                  }
               }

               newProperty =
                  TransientPropertyData.createPropertyData(getParent(), propName, pType, isMultivalue, values);

               if (nodeData.isMixVersionable())
               {
                  endVersionable(nodeData, values, propName);
               }
            }
         }
         // skip versionable

         if ((newProperty.getQPath().isDescendantOf(Constants.JCR_VERSION_STORAGE_PATH) || (!Constants.JCR_VERSIONHISTORY
            .equals(propName)
            && !Constants.JCR_BASEVERSION.equals(propName) && !Constants.JCR_PREDECESSORS.equals(propName))))
         {
            changesLog.add(new ItemState(newProperty, ItemState.ADDED, true, getAncestorToSave()));
         }

      }

      nodeData.setACL(initAcl(parentNodeData.getACL(), nodeData.isExoOwneable(), nodeData.isExoPrivilegeable(),
         nodeData.getExoOwner(), nodeData.getExoPrivileges()));

      if (nodeData.isMixVersionable())
      {
         createVersionHistory(nodeData);
      }
   }
   
   private List<JCRName> getJCRNames(String string) throws RepositoryException
   {
      List<JCRName> mtNames = new ArrayList<JCRName>();
      
      StringTokenizer spaceToken = new StringTokenizer(string);
      
      List<String> denormalizedStrings = new ArrayList<String>();
      while (spaceToken.hasMoreTokens())
      {
         String elem = spaceToken.nextToken();
         String denormalizeString = StringConverter.denormalizeString(elem);
         denormalizedStrings.add(denormalizeString);
      }
      
      for (String mixinName : denormalizedStrings)
      {
         mtNames.add(locationFactory.parseJCRName(mixinName));
      }
      
      return mtNames;
   }

   private ImportNodeData createNode(List<NodeTypeData> nodeTypes, HashMap<InternalQName, String> propertiesMap,
      List<InternalQName> mixinNodeTypes, InternalQName jcrName) throws PathNotFoundException, IllegalPathException,
      RepositoryException
   {
      ImportNodeData nodeData = new ImportNodeData(getParent(), jcrName, getNodeIndex(getParent(), jcrName, null));
      InternalQName[] allNodeTypes = new InternalQName[nodeTypes.size() + mixinNodeTypes.size()];
      for (int i = 0; i < nodeTypes.size(); i++)
      {
         allNodeTypes[i] = nodeTypes.get(i).getName();
      }
      for (int i = 0; i < mixinNodeTypes.size(); i++)
      {
         allNodeTypes[nodeTypes.size() + i] = mixinNodeTypes.get(i);
      }
      nodeData.setPrimaryTypeName(locationFactory.parseJCRName(propertiesMap.get(Constants.JCR_PRIMARYTYPE))
         .getInternalName());

      nodeData.setOrderNumber(getNextChildOrderNum(getParent()));
      nodeData.setMixinTypeNames(mixinNodeTypes.toArray(new InternalQName[mixinNodeTypes.size()]));
      nodeData.setMixReferenceable(nodeTypeDataManager.isNodeType(Constants.MIX_REFERENCEABLE, allNodeTypes));
      nodeData.setIdentifier(IdGenerator.generate());

      if (nodeData.isMixReferenceable())
      {
         nodeData.setMixVersionable(nodeTypeDataManager.isNodeType(Constants.MIX_VERSIONABLE, allNodeTypes));
         checkReferenceable(nodeData, propertiesMap.get(Constants.JCR_UUID));
      }
      return nodeData;
   }

   private PropertyData endBinary(HashMap<InternalQName, String> propertiesMap, PropertyData newProperty,
      InternalQName propName) throws RepositoryException
   {
      try
      {
         InputStream vStream = new ByteArrayInputStream(Base64.decode(propertiesMap.get(propName)));
         TransientValueData binaryValue =
            new TransientValueData(0, vStream, valueFactory.getFileCleaner(), valueFactory.getMaxBufferSize(), null,
               true);
         binaryValue.getAsStream().close();

         newProperty =
            TransientPropertyData.createPropertyData(getParent(), propName, PropertyType.BINARY, false, binaryValue);
      }
      catch (DecodingException e)
      {
         throw new RepositoryException(e);
      }
      catch (IOException e)
      {
         throw new RepositoryException(e);
      }
      return newProperty;
   }

   private PropertyData endMixinTypes(List<InternalQName> mixinNodeTypes, InternalQName key)
   {
      PropertyData newProperty;
      List<ValueData> valuesData = new ArrayList<ValueData>(mixinNodeTypes.size());

      for (InternalQName mixinQname : mixinNodeTypes)
      {
         valuesData.add(new TransientValueData(mixinQname));
      }

      newProperty = TransientPropertyData.createPropertyData(getParent(), key, PropertyType.NAME, true, valuesData);
      return newProperty;
   }

   private PropertyData endPrimaryType(InternalQName primaryTypeName)
   {
      PropertyData newProperty;
      if (log.isDebugEnabled())
      {
         log.debug("Property NAME: " + primaryTypeName);
      }
      newProperty =
         TransientPropertyData.createPropertyData(getParent(), Constants.JCR_PRIMARYTYPE, PropertyType.NAME, false,
            new TransientValueData(primaryTypeName));
      return newProperty;
   }

   private PropertyData endUuid(ImportNodeData nodeData, InternalQName key, String properyValueUUID) throws ValueFormatException,
      UnsupportedRepositoryOperationException, RepositoryException, IllegalStateException
   {
      PropertyData newProperty;
      
      if (nodeData.getQPath().isDescendantOf(Constants.JCR_VERSION_STORAGE_PATH))
      {
         newProperty =
            TransientPropertyData.createPropertyData(getParent(), Constants.JCR_UUID, PropertyType.STRING, false,
                     new TransientValueData(properyValueUUID));
      }
      else
      {
         newProperty =
                  TransientPropertyData.createPropertyData(getParent(), Constants.JCR_UUID, PropertyType.STRING, false,
                           new TransientValueData(nodeData.getIdentifier()));
      }
      
      return newProperty;
   }

   private void endVersionable(ImportNodeData nodeData, List<ValueData> values, InternalQName propName)
      throws RepositoryException
   {
      {
         if (propName.equals(Constants.JCR_VERSIONHISTORY))
         {
            try
            {

               nodeData.setVersionHistoryIdentifier(ValueDataConvertor.readString(values.get(0)));
            }
            catch (IOException e)
            {
               throw new RepositoryException(e);
            }

            // check if node contains VH
            if (dataConsumer.getItemData(nodeData.getVersionHistoryIdentifier()) != null)
            {
               ItemState vhLastState = getLastItemState(nodeData.getVersionHistoryIdentifier());
               nodeData.setContainsVersionhistory(vhLastState == null || !vhLastState.isDeleted());
            }
            else
            {
               nodeData.setContainsVersionhistory(false);
            }
         }
         else if (propName.equals(Constants.JCR_BASEVERSION))
         {
            try
            {
               nodeData.setBaseVersionIdentifier(ValueDataConvertor.readString(values.get(0)));
            }
            catch (IOException e)
            {
               throw new RepositoryException(e);
            }
         }
      }
   }

   private void parseAttr(Map<String, String> atts, List<NodeTypeData> nodeTypes, List<InternalQName> mixinNodeTypes,
      HashMap<InternalQName, String> props, InternalQName nodeName) throws PathNotFoundException, RepositoryException
   {
      // default primary type
      if (!atts.containsKey("jcr:primaryType"))
      {
         NodeData parent = getParent();

         NodeDefinitionData nodeNt =
            nodeTypeDataManager.getChildNodeDefinition(nodeName, parent.getPrimaryTypeName(), parent
               .getMixinTypeNames());
         NodeTypeData nodeType;
         if (nodeNt.getName().equals(Constants.JCR_ANY_NAME) && nodeNt.getDefaultPrimaryType() != null)
         {
            nodeType = nodeTypeDataManager.getNodeType(nodeNt.getDefaultPrimaryType());
         }
         else
         {
            nodeType = nodeTypeDataManager.getNodeType(nodeNt.getName());
         }

         if (nodeType == null)
            throw new ConstraintViolationException("Can not define node-type for node " + nodeName.getAsString()
               + ", parent node type " + parent.getPrimaryTypeName().getAsString());

         nodeTypes.add(nodeType);
         props.put(Constants.JCR_PRIMARYTYPE, locationFactory.createJCRName(nodeType.getName()).getAsString());
      }

      if (atts != null)
      {
         for (String key : atts.keySet())
         {

            String attValue = atts.get(key);

            String propName = ISO9075.decode(key);
            if (log.isDebugEnabled())
            {
               log.debug(propName + ":" + attValue);
            }
            InternalQName propInternalQName = locationFactory.parseJCRName(propName).getInternalName();

            if (Constants.JCR_PRIMARYTYPE.equals(propInternalQName))
            {
               String primaryNodeType = StringConverter.denormalizeString(attValue);
               InternalQName ntName = locationFactory.parseJCRName(primaryNodeType).getInternalName();
               NodeTypeData nodeType = nodeTypeDataManager.getNodeType(ntName);
               if (nodeType == null)
                  throw new ConstraintViolationException("Can not find node type " + primaryNodeType);
               nodeTypes.add(nodeType);
               props.put(propInternalQName, primaryNodeType);
            }
            else if (Constants.JCR_MIXINTYPES.equals(propInternalQName))
            {
               String[] amTypes = attValue.split(" ");
               for (int mi = 0; mi < amTypes.length; mi++)
               {
                  amTypes[mi] = StringConverter.denormalizeString(amTypes[mi]);
                  InternalQName name = locationFactory.parseJCRName(amTypes[mi]).getInternalName();
                  mixinNodeTypes.add(name);
                  NodeTypeData nodeType = nodeTypeDataManager.getNodeType(name);
                  if (nodeType == null)
                     throw new ConstraintViolationException("Can not find node type " + amTypes[mi]);

                  nodeTypes.add(nodeType);
               }
               // value will not be used anywhere; for key only
               props.put(propInternalQName, null);
            }
            else
            {
               props.put(propInternalQName, attValue);
            }
         }
      }
   }
}
