/*
    * Copyright 2011 The Kuali Foundation.
    * 
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    * http://www.opensource.org/licenses/ecl2.php
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  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.*;
  
  import java.io.Writer;
  
  /**
   * Created by IntelliJ IDEA.
   * User: pvsubrah
   * Date: 9/7/11
   * Time: 1:17 PM
   * To change this template use File | Settings | File Templates.
   */
  public class RequestHandler {
      public Request toObject(String requestXML) {
          XStream xStream = new XStream();
          xStream.registerConverter(new RequestDocumentConverter());
          xStream.alias("request", Request.class);
          xStream.alias("ingestDocument", RequestDocument.class);
          xStream.alias("linkedIngestDocument", RequestDocument.class);
          xStream.alias("content", Content.class);
          xStream.alias("additionalAttributes", AdditionalAttributes.class);
          Request request = (Request) xStream.fromXML(requestXML);
          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[");
                                  if (text == null) {
                                      text = "";
                                  }
                                  writer.write(text);
                                  writer.write("]]>");
                              }
                          };
                      }
                  }
          );
          xStream.registerConverter(new RequestDocumentConverter());
          xStream.alias("request", Request.class);
          xStream.alias("ingestDocument", RequestDocument.class);
          String xml = xStream.toXML(request);
          return xml;
      }
  }