package org.kuali.ole.ingest.util;
   
   import java.util.regex.Matcher;
   import java.util.regex.Pattern;
   
   /**
    * Created with IntelliJ IDEA.
    * User: ?
    * Date: 11/8/12
   * Time: 2:41 PM
   * To change this template use File | Settings | File Templates.
   */
  public class OCLCUtil {
  
      String normalizedOclc = null;
  
      /**
       * Gets oclc exists in the docstore and normalizes it.
       * @param oclc
       * @return normalizedOclc
       */
      public String normalizedOclc(String oclc) {
  
          StringBuffer buffer = new StringBuffer();
          String regex = "(ocl77|ocm|ocn|on)";
          Pattern pattern = Pattern.compile(regex);
          Matcher matcher = pattern.matcher(oclc);
          String modifiedString = matcher.replaceAll(""); // removes ocl77,ocm,ocn,on
          String[] splitValues = modifiedString.split(" ");
          if (splitValues.length > 1) {
              for (String splitValue : splitValues) {
                  if(splitValue.contains("(") && splitValue.contains(")")) {
                      buffer.append(splitValue);
                  } else {
                      buffer.append((Integer.parseInt(splitValue))); //removes leading zeros
                  }
              }
          }else {
              String ocolc = modifiedString.substring(modifiedString.indexOf("("), modifiedString.indexOf(")") + 1);
              buffer.append(ocolc);
              String content = modifiedString.substring(modifiedString.indexOf(")")+1,modifiedString.length());
              buffer.append((Integer.parseInt(content))); // removes leading zeros
          }
          normalizedOclc = buffer.toString();
          return normalizedOclc;
      }
  
  }