package org.kuali.ole.docstore.common.document;
   
   import org.apache.log4j.Logger;
   import org.kuali.ole.docstore.common.document.factory.JAXBContextFactory;
   
   import javax.xml.bind.Marshaller;
   import javax.xml.bind.Unmarshaller;
   import javax.xml.bind.annotation.*;
   import javax.xml.stream.XMLStreamReader;
  import javax.xml.transform.stream.StreamSource;
  import java.io.ByteArrayInputStream;
  import java.io.StringWriter;
  import java.util.ArrayList;
  import java.util.List;
  
  
  /**
   * <p>Java class for holdingsTree complex type.
   * <p/>
   * <p>The following schema fragment specifies the expected content contained within this class.
   * <p/>
   * <pre>
   * &lt;complexType name="holdingsTree">
   *   &lt;complexContent>
   *     &lt;extension base="{}docstoreDocument">
   *       &lt;sequence>
   *         &lt;element name="items" type="{}item" maxOccurs="unbounded" minOccurs="0"/>
   *         &lt;element name="holdings" type="{}holdings" minOccurs="0"/>
   *       &lt;/sequence>
   *     &lt;/extension>
   *   &lt;/complexContent>
   * &lt;/complexType>
   * </pre>
   */
  @XmlAccessorType(XmlAccessType.FIELD)
  @XmlType(name = "holdingsTree", propOrder = {
          "items",
          "holdings"
  })
  
  @XmlRootElement(name = "holdingsDocTree")
  public class HoldingsTree
          implements Comparable<HoldingsTree> {
  
      private static final Logger LOG = Logger.getLogger(HoldingsTree.class);
      @XmlElementWrapper(name = "itemsDocs")
      @XmlElement(name = "itemsDoc")
      protected List<Item> items;
      @XmlElement(name = "holdingsDoc")
      protected Holdings holdings;
  
      /**
       * Gets the value of the items property.
       * <p/>
       * <p/>
       * This accessor method returns a reference to the live list,
       * not a snapshot. Therefore any modification you make to the
       * returned list will be present inside the JAXB object.
       * This is why there is not a <CODE>set</CODE> method for the items property.
       * <p/>
       * <p/>
       * For example, to add a new item, do as follows:
       * <pre>
       *    getItems().add(newItem);
       * </pre>
       * <p/>
       * <p/>
       * <p/>
       * Objects of the following type(s) are allowed in the list
       * {@link org.kuali.ole.docstore.common.document.Item }
       */
      public List<Item> getItems() {
          if (items == null) {
              items = new ArrayList<Item>();
          }
          return this.items;
      }
  
      /**
       * Gets the value of the holdings property.
       *
       * @return possible object is
       *         {@link org.kuali.ole.docstore.common.document.Holdings }
       */
      public Holdings getHoldings() {
          return holdings;
      }
  
      /**
       * Sets the value of the holdings property.
       *
       * @param value allowed object is
       *              {@link org.kuali.ole.docstore.common.document.Holdings }
       */
      public void setHoldings(Holdings value) {
          this.holdings = value;
      }
  
      public String serialize(Object object) {
         String result = null;
         HoldingsTree holdingsTree = (HoldingsTree) object;
         try {
             StringWriter sw = new StringWriter();
             Marshaller jaxbMarshaller = JAXBContextFactory.getInstance().getMarshaller(HoldingsTree.class);
             synchronized (jaxbMarshaller) {
                 jaxbMarshaller.marshal(holdingsTree, sw);
             }
             result = sw.toString();
         } catch (Exception e) {
             LOG.error("Exception ", e);
         }
         return result;
     }
 
     public Object deserialize(String holdingsTreeXml) {
         HoldingsTree holdingsTree = new HoldingsTree();
         try {
             ByteArrayInputStream bibTreeInputStream = new ByteArrayInputStream(holdingsTreeXml.getBytes());
             StreamSource streamSource = new StreamSource(bibTreeInputStream);
             XMLStreamReader xmlStreamReader = JAXBContextFactory.getInstance().getXmlInputFactory().createXMLStreamReader(streamSource);
             Unmarshaller unmarshaller = JAXBContextFactory.getInstance().getUnMarshaller(HoldingsTree.class);
             synchronized (unmarshaller) {
                 holdingsTree = unmarshaller.unmarshal(xmlStreamReader, HoldingsTree.class).getValue();
             }
         } catch (Exception e) {
             LOG.error("Exception ", e);
         }
         return holdingsTree;
     }
 
     public Object deserializeContent(Object object) {
         return null;  //To change body of implemented methods use File | Settings | File Templates.
     }
 
     @Override
     public int compareTo(HoldingsTree o) {
         return this.getHoldings().compareTo(o.getHoldings());
     }
 }