Scout/Tutorial/3.8/webservices/DatabaseLogHandler

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@ScoutTransaction
public class DatabaseLogHandler extends LogHandler {

  private static final IScoutLogger LOG = ScoutLogManager.getLogger(DatabaseLogHandler.class);

  /**
   * Property to access the primary key of the log entry in the message context.
   */
  public static final String PROP_WS_LOG_NR = UUID.randomUUID().toString();

  @Override
  protected void handleLogMessage(DirectionType directionType, String soapMessage, SOAPMessageContext context) {
    try {
      /*
       * If this handler is invoked to post-process the SOAP-response, the SOAP-request was already logged and
       * the log's primary key put into the message context. In consequence, the log entry is updated with the SOAP response.
       */
      Long wsLogNr = (Long) context.get(PROP_WS_LOG_NR);
      if (wsLogNr == null) {
        // SOAP request
        wsLogNr = SQL.getSequenceNextval("GLOBAL_SEQ");
        context.put(PROP_WS_LOG_NR, wsLogNr);

        SQL.insert("" +
            "INSERT INTO   WS_LOG " +
            "             (WS_LOG_NR, " +
            "              EVT_DATE, " +
            "              SERVICE, " +
            "              PORT, " +
            "              OPERATION, " +
            "              REQUEST) " +
            "VALUES       (:wsLogNr, " +
            "              :evtDate, " +
            "              :service, " +
            "              :port, " +
            "              :operation, " +
            "              :request)"
            , new NVPair("wsLogNr", wsLogNr)
            , new NVPair("service", StringUtility.nvl(context.get(SOAPMessageContext.WSDL_SERVICE), "?"))
            , new NVPair("port", StringUtility.nvl(context.get(SOAPMessageContext.WSDL_PORT), "?"))
            , new NVPair("operation", StringUtility.nvl(context.get(SOAPMessageContext.WSDL_OPERATION), "?"))
            , new NVPair("request", soapMessage)
            , new NVPair("evtDate", new Date())
            );
      }
      else {
        // SOAP response
        SQL.update("" +
            "UPDATE   WS_LOG " +
            "SET      RESPONSE = :response " +
            "WHERE    WS_LOG_NR = :wsLogNr"
            , new NVPair("wsLogNr", wsLogNr)
            , new NVPair("response", soapMessage)
            );
      }
    }
    catch (ProcessingException e) {
      LOG.error("failed to persist webservice-log", e);
    }
  }
}