/*
    * Copyright 2012 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.documenthandler;
  
  import org.kuali.ole.docstore.model.xmlpojo.ingest.RequestDocument;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  /**
   * Class WorkBibMarcContentHandler to handle content of Marc Files.
   *
   * @author Rajesh Chowdary K
   * @created Mar 21, 2012
   */
  public class WorkBibMarcContentHandler {
  
      public void doPreIngestContentManipulations(RequestDocument doc, final String fileNodeUUID) {
          String content = doc.getContent().getContent();
          if (content != null && content != "" && content.length() > 0) {
              Pattern pattern = Pattern.compile("tag=\"001\">.*?</controlfield");
              Pattern pattern2 = Pattern.compile("<controlfield.*?tag=\"001\"/>");
              Matcher matcher = pattern.matcher(content);
              Matcher matcher2 = pattern2.matcher(content);
              if (matcher.find()) {
                  doc.getContent().setContent(matcher.replaceAll("tag=\"001\">" + fileNodeUUID + "</controlfield"));
              }
              else if (matcher2.find()) {
                  doc.getContent()
                     .setContent(matcher2.replaceAll("<controlfield tag=\"001\">" + fileNodeUUID + "</controlfield>"));
              }
              else {
                  int ind = content.indexOf("</leader>") + 9;
                  if (ind == 8) {
                      ind = content.indexOf("<leader/>") + 9;
                      if (ind == 8) {
                          ind = content.indexOf("record>") + 7;
                      }
                  }
                  StringBuilder sb = new StringBuilder();
                  sb.append(content.substring(0, ind));
                  sb.append("<controlfield tag=\"001\">");
                  sb.append(fileNodeUUID);
                  sb.append("</controlfield>");
                  sb.append(content.substring(ind + 1));
                  doc.getContent().setContent(sb.toString());
              }
          }
      }
  }