/**
 * 
 */
package at.knowcenter.wag.egov.egiz.sig.sigid;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * @author wprinz
 * 
 */
public class HotfixIdFormatter implements IdFormatter
{
  /**
   * The SIG_ID prefix.
   */
  public static final String SIG_ID_PREFIX = "etsi-bka-1.0"; //$NON-NLS-1$

  /**
   * The log.
   */
  private static Log log = LogFactory.getLog(HotfixIdFormatter.class);

  /**
   * @see at.knowcenter.wag.egov.egiz.sig.sigid.IdFormatter#formatIds(java.lang.String[])
   */
  public String formatIds(String[] ids)
  {
    // ids algorithm:
    String join = ""; //$NON-NLS-1$
    String base = null;
    for (int arr_idx = 0; arr_idx < ids.length; arr_idx++)
    {
      String id = ids[arr_idx];
      if (log.isDebugEnabled())
      {
        log.debug("Set BKU id:" + id); //$NON-NLS-1$
      }
      int id_idx = id.lastIndexOf("-"); //$NON-NLS-1$
      if (arr_idx == 0)
      {
        base = id.substring(0, id_idx);
      }
      String cur_id = id.substring(id_idx + 1);
      join += "-" + cur_id; //$NON-NLS-1$
    }

    String idstr = base + "@" + join.substring(1); //$NON-NLS-1$
    String final_ids = SIG_ID_PREFIX + "@" + idstr;

    return final_ids;
  }
}