Function msWMSException

mapwms.c:70–213

*/

int msWMSException(mapObj *map, int nVersion, const char *exception_code, 
                   char *wms_exception_format)
{
    const char *encoding;
    char *schemalocation = NULL;

    /* Default to WMS 1.3.0 exceptions if version not set yet */
    if (nVersion <= 0)
        nVersion = OWS_1_3_0;

    /* get scheam location */
    schemalocation = msEncodeHTMLEntities( msOWSGetSchemasLocation(map) );

    encoding = msOWSLookupMetadata(&(map->web.metadata), "MO", "encoding");

  /* Establish default exception format depending on VERSION */
  if (wms_exception_format == NULL)
  {
      if (nVersion <= OWS_1_0_0)
        wms_exception_format = "INIMAGE";  /* WMS 1.0.0 */
      else if (nVersion <= OWS_1_0_7)
        wms_exception_format = "SE_XML";   /* WMS 1.0.1 to 1.0.7 */
      else if (nVersion <= OWS_1_1_1)
        wms_exception_format = "application/vnd.ogc.se_xml"; /* WMS 1.1.0 and later */
      else
        wms_exception_format = "text/xml";
  }

  if (strcasecmp(wms_exception_format, "INIMAGE") == 0 ||
      strcasecmp(wms_exception_format, "BLANK") == 0 ||
      strcasecmp(wms_exception_format, "application/vnd.ogc.se_inimage")== 0 ||
      strcasecmp(wms_exception_format, "application/vnd.ogc.se_blank") == 0)
  {
    int blank = 0;

    if (strcasecmp(wms_exception_format, "BLANK") == 0 ||
        strcasecmp(wms_exception_format, "application/vnd.ogc.se_blank") == 0)
    {
        blank = 1;
    }

    msWriteErrorImage(map, NULL, blank);

  }
  else if (strcasecmp(wms_exception_format, "WMS_XML") == 0) /* Only in V1.0.0 */
  {
      if (encoding)
          msIO_printf("Content-type: text/xml; charset=%s%c%c", encoding,10,10);
      else
          msIO_printf("Content-type: text/xml%c%c",10,10);

    msIO_printf("<WMTException version=\"1.0.0\">\n");
    msWriteErrorXML(stdout);
    msIO_printf("</WMTException>\n");
  }
  else /* XML error, the default: SE_XML (1.0.1 to 1.0.7) */
       /* or application/vnd.ogc.se_xml (1.1.0 and later) */
  {