package org.kuali.ole.docstore.model.xstream.ingest;
   
   import com.thoughtworks.xstream.converters.Converter;
   import com.thoughtworks.xstream.converters.MarshallingContext;
   import com.thoughtworks.xstream.converters.UnmarshallingContext;
   import com.thoughtworks.xstream.io.HierarchicalStreamReader;
   import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
   import org.kuali.ole.docstore.model.xmlpojo.ingest.AdditionalAttributes;
   
  import java.util.Collection;
  import java.util.Iterator;
  
  /**
   * Created by IntelliJ IDEA.
   * User: Pranitha
   * Date: 6/13/12
   * Time: 1:40 PM
   * To change this template use File | Settings | File Templates.
   */
  public class AdditionalAttributeConverter implements Converter {
  
  
      @Override
      public void marshal(Object obj, HierarchicalStreamWriter hierarchicalStreamWriter, MarshallingContext context) {
          AdditionalAttributes additionalAttributes = (AdditionalAttributes) obj;
          if (additionalAttributes != null) {
              hierarchicalStreamWriter.startNode("additionalAttributes");
              Collection<String> attributeNames = additionalAttributes.getAttributeNames();
              if (attributeNames != null && attributeNames.size() > 0) {
                  for (Iterator<String> iterator = attributeNames.iterator(); iterator.hasNext(); ) {
                      String name = iterator.next();
                      String value = additionalAttributes.getAttribute(name);
                      hierarchicalStreamWriter.startNode(name);
                      hierarchicalStreamWriter.setValue(value);
                      hierarchicalStreamWriter.endNode();
                  }
              }
              hierarchicalStreamWriter.endNode();
          }
  
      }
  
      @Override
      public Object unmarshal(HierarchicalStreamReader hierarchicalStreamReader, UnmarshallingContext context) {
          AdditionalAttributes addAttributes = new AdditionalAttributes();
          while (hierarchicalStreamReader.hasMoreChildren()) {
              hierarchicalStreamReader.moveDown();
              String key = hierarchicalStreamReader.getNodeName();
              String value = hierarchicalStreamReader.getValue();
              addAttributes.setAttribute(key, value);
              hierarchicalStreamReader.moveUp();
          }
          return addAttributes;
      }
  
      @Override
      public boolean canConvert(Class aClass) {
          return aClass.equals(AdditionalAttributes.class);
      }
  
  
  }