package org.kuali.ole.docstore.model.xstream.ingest;
   
   import com.thoughtworks.xstream.XStream;
   import com.thoughtworks.xstream.core.util.QuickWriter;
   import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
   import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;
   import com.thoughtworks.xstream.io.xml.XppDriver;
   import org.kuali.ole.docstore.model.xmlpojo.ingest.AdditionalAttributes;
   import org.kuali.ole.docstore.model.xmlpojo.ingest.Content;
  import org.kuali.ole.docstore.model.xmlpojo.ingest.Request;
  import org.kuali.ole.docstore.model.xmlpojo.ingest.RequestDocument;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.Writer;
  
  /**
   * Created by IntelliJ IDEA.
   * User: pvsubrah
   * Date: 2/28/12
   * Time: 8:29 PM
   * To change this template use File | Settings | File Templates.
   */
  public class IngestDocumentHandler {
      private static final Logger LOG = LoggerFactory.getLogger(IngestDocumentHandler.class);
      private static XStream xStream = getXstream();
  
      private static XStream getXstream() {
          XStream xStream = new XStream();
          xStream.registerConverter(new IngestDocumentConverter());
          xStream.alias("ingestDocument", RequestDocument.class);
          xStream.alias("linkedIngestDocument", RequestDocument.class);
          xStream.alias("content", Content.class);
          xStream.alias("additionalAttributes", AdditionalAttributes.class);
          return xStream;
      }
  
      public RequestDocument toObject(String ingestDocXml) {
          RequestDocument request = (RequestDocument) xStream.fromXML(ingestDocXml);
          return request;
      }
  
      public String toXML(Request request) {
          XStream xStream = new XStream(new XppDriver() {
              public HierarchicalStreamWriter createWriter(Writer out) {
                  return new PrettyPrintWriter(out) {
                      protected void writeText(QuickWriter writer, String text) {
                          writer.write("<![CDATA[");
                          writer.write(text);
                          writer.write("]]>");
                      }
                  };
              }
          });
          xStream.registerConverter(new RequestDocumentConverter());
          xStream.registerConverter(new LinkInfoConverter());
          xStream.alias("ingestDocument", RequestDocument.class);
          String xml = xStream.toXML(request);
          return xml;
      }
  }