package com.atlassian.johnson.filters;
   
   import com.atlassian.johnson.JohnsonEventContainer;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
   import javax.servlet.http.HttpServletResponse;
   import javax.servlet.http.HttpServletRequest;
   import java.io.IOException;
  
  /**
   * Handles error cases with SOAP fault responses for an application that is unable to handle normal requests.
   */
  public class JohnsonSoapFilter extends AbstractJohnsonFilter {
  
      public static final Logger LOG = LoggerFactory.getLogger(JohnsonSoapFilter.class);
  
      protected String buildSoapFault(String errorMessage) {
          return "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
                  "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"\n" +
                  "                  xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n" +
                  "    <soapenv:Body>\n" +
                  "        <soapenv:Fault>\n" +
                  "            <faultcode>soapenv:Server</faultcode>\n" +
                  "            <faultstring>" +
                  errorMessage +
                  "            </faultstring>\n" +
                  "        </soapenv:Fault>\n" +
                  "    </soapenv:Body>\n" +
                  "</soapenv:Envelope>";
      }
  
      protected void handleError(JohnsonEventContainer appEventContainer, HttpServletRequest servletRequest, HttpServletResponse servletResponse) throws IOException {
          LOG.info("The application is unavailable, or there are errors.  Returning a SOAP fault with the event message.");
          servletResponse.setContentType(TEXT_XML_UTF8_CONTENT_TYPE);
          String message = getStringForEvents(appEventContainer.getEvents());
          servletResponse.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
          servletResponse.getWriter().write(buildSoapFault(message));
      }
  
      protected void handleNotSetup(HttpServletRequest servletRequest, HttpServletResponse servletResponse) throws IOException {
          LOG.info("The application is not setup.  Returning a SOAP fault with a 'not setup' message.");
          servletResponse.setContentType(TEXT_XML_UTF8_CONTENT_TYPE);
          String message = "The application has not yet been setup.";
          servletResponse.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
          servletResponse.getWriter().write(buildSoapFault(message));
      }
  }