package org.kuali.ole;
   
   import com.thoughtworks.xstream.XStream;
   import org.kuali.ole.docstore.model.xmlpojo.ingest.AdditionalAttributes;
   import org.kuali.ole.docstore.model.xmlpojo.work.instance.oleml.*;
   
   import java.text.DateFormat;
   import java.text.SimpleDateFormat;
   import java.util.Arrays;
  import java.util.Date;
  
  /**
   * Created by IntelliJ IDEA.
   * User: pvsubrah
   * Date: 4/10/12
   * Time: 9:08 PM
   * To change this template use File | Settings | File Templates.
   */
  public class OleInstanceRecordHandler {
      public String generateXML(OleHoldings oleHolding, Item oleItem) {
          Instance oleInstance = getOleInstance(oleHolding, oleItem);
          InstanceCollection oleInstanceCollection = new InstanceCollection();
          oleInstanceCollection.setInstance(Arrays.asList(oleInstance));
          return toXML(oleInstanceCollection);
      }
  
      public Instance getOleInstance(OleHoldings oleHolding, Item oleItem) {
          Instance oleInstance = new Instance();
          oleInstance.getItems().getItem().add(oleItem);
          oleInstance.setOleHoldings(oleHolding);
          DateFormat df = new SimpleDateFormat("mm-DD-yyyy");
          Extension extension = new Extension();
          AdditionalAttributes additionalAttributes = new AdditionalAttributes();
          additionalAttributes.setLastUpdated(String.valueOf(df.format(new Date())));
          additionalAttributes.setDateEntered(String.valueOf(df.format(new Date())));
          extension.setContent(Arrays.<Object>asList(additionalAttributes));
          oleInstance.setExtension(extension);
          return oleInstance;
      }
  
      private String toXML(InstanceCollection oleInstanceCollection) {
          XStream xs = new XStream();
          xs.autodetectAnnotations(true);
          xs.processAnnotations(InstanceCollection.class);
          String xml = xs.toXML(oleInstanceCollection);
          return xml;
      }
  }