C++ (Cpp) FLTGetCapabilities示例

示例#1

文件： mapwfs11.c 项目： codeforeurope/gim

int msWFSGetCapabilities11(mapObj *map, wfsParamsObj *params, 
                           cgiRequestObj *req, owsRequestObj *ows_request) 
{
    xmlDocPtr psDoc = NULL;       /* document pointer */
    xmlNodePtr psRootNode, psMainNode, psNode, psFtNode;
    xmlNodePtr psTmpNode;
    const char *updatesequence=NULL;
    xmlNsPtr psNsOws, psNsXLink, psNsOgc;
    char *schemalocation = NULL;
    char *xsi_schemaLocation = NULL;

    char *script_url=NULL, *script_url_encoded=NULL, *formats_list;
    const char *value = NULL;
    const char *encoding;

    xmlChar *buffer = NULL;
    int size = 0, i;
    msIOContext *context = NULL;

    int ows_version = OWS_1_0_0;

/* -------------------------------------------------------------------- */
/*      Handle updatesequence                                           */
/* -------------------------------------------------------------------- */

    updatesequence = msOWSLookupMetadata(&(map->web.metadata), "FO", "updatesequence");

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

    if (params->pszUpdateSequence != NULL) {
      i = msOWSNegotiateUpdateSequence(params->pszUpdateSequence, updatesequence);
      if (i == 0) { /* current */
          msSetError(MS_WFSERR, "UPDATESEQUENCE parameter (%s) is equal to server (%s)", "msWFSGetCapabilities11()", params->pszUpdateSequence, updatesequence);
          return msWFSException11(map, "updatesequence", "CurrentUpdateSequence", params->pszVersion);
      }
      if (i > 0) { /* invalid */
          msSetError(MS_WFSERR, "UPDATESEQUENCE parameter (%s) is higher than server (%s)", "msWFSGetCapabilities11()", params->pszUpdateSequence, updatesequence);
          return msWFSException11(map, "updatesequence", "InvalidUpdateSequence", params->pszVersion);
      }
    }

/* -------------------------------------------------------------------- */
/*      Create document.                                                */
/* -------------------------------------------------------------------- */
    psDoc = xmlNewDoc(BAD_CAST "1.0");

    psRootNode = xmlNewNode(NULL, BAD_CAST "WFS_Capabilities");

    xmlDocSetRootElement(psDoc, psRootNode);

/* -------------------------------------------------------------------- */
/*      Name spaces                                                     */
/* -------------------------------------------------------------------- */
    /*default name space*/      
    xmlNewProp(psRootNode, BAD_CAST "xmlns", BAD_CAST "http://www.opengis.net/wfs");
    
    xmlSetNs(psRootNode, xmlNewNs(psRootNode, BAD_CAST "http://www.opengis.net/gml", BAD_CAST "gml"));
    xmlSetNs(psRootNode, xmlNewNs(psRootNode, BAD_CAST "http://www.opengis.net/wfs", BAD_CAST "wfs"));
    
    psNsOws = xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_OWS_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OWS_NAMESPACE_PREFIX);
    psNsXLink = xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_W3C_XLINK_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_W3C_XLINK_NAMESPACE_PREFIX);
    xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_W3C_XSI_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_W3C_XSI_NAMESPACE_PREFIX);
    xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_PREFIX );

    xmlNewProp(psRootNode, BAD_CAST "version", BAD_CAST params->pszVersion );

    updatesequence = msOWSLookupMetadata(&(map->web.metadata), "FO", "updatesequence");

    if (updatesequence)
      xmlNewProp(psRootNode, BAD_CAST "updateSequence", BAD_CAST updatesequence);

    /*schema*/
    schemalocation = msEncodeHTMLEntities( msOWSGetSchemasLocation(map) );
    xsi_schemaLocation = msStrdup("http://www.opengis.net/wfs");
    xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, " ");
    xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, schemalocation);
    xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, "/wfs/1.1.0/wfs.xsd");
    xmlNewNsProp(psRootNode, NULL, BAD_CAST "xsi:schemaLocation", BAD_CAST xsi_schemaLocation);

/* -------------------------------------------------------------------- */
/*      Service metadata.                                               */
/* -------------------------------------------------------------------- */

    psTmpNode = xmlAddChild(psRootNode, 
                            msOWSCommonServiceIdentification(psNsOws, map, "OGC WFS", params->pszVersion, "FO"));

    /*service provider*/
    psTmpNode = xmlAddChild(psRootNode, msOWSCommonServiceProvider(
                                psNsOws, psNsXLink, map, "FO"));

    /*operation metadata */
    if ((script_url=msOWSGetOnlineResource(map, "FO", "onlineresource", req)) == NULL 
        || (script_url_encoded = msEncodeHTMLEntities(script_url)) == NULL)
    {
        msSetError(MS_WFSERR, "Server URL not found", "msWFSGetCapabilities11()");
        return msWFSException11(map, "mapserv", "NoApplicableCode", params->pszVersion);
    }

/* -------------------------------------------------------------------- */
/*      Operations metadata.                                            */
/* -------------------------------------------------------------------- */
    psMainNode= xmlAddChild(psRootNode,msOWSCommonOperationsMetadata(psNsOws));

/* -------------------------------------------------------------------- */
/*      GetCapabilities                                                 */
/* -------------------------------------------------------------------- */
    psNode = xmlAddChild(psMainNode, 
                         msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"GetCapabilities", 
                                                                OWS_METHOD_GETPOST, script_url_encoded));
    
    xmlAddChild(psMainNode, psNode);
    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(
                    ows_version, psNsOws, "Parameter", "service", "WFS"));
    /*accept version*/
    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws, 
                                                                "Parameter", "AcceptVersions", 
                                                                "1.0.0,1.1.0"));
    /*format*/
    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws, 
                                                                "Parameter", "AcceptFormats", 
                                                                "text/xml"));


/* -------------------------------------------------------------------- */
/*      DescribeFeatureType                                             */
/* -------------------------------------------------------------------- */
    if (msOWSRequestIsEnabled(map, NULL, "F", "DescribeFeatureType", MS_TRUE)) 
    {
        psNode = xmlAddChild(psMainNode, 
                             msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"DescribeFeatureType", 
                                                                 OWS_METHOD_GETPOST, script_url_encoded));
        xmlAddChild(psMainNode, psNode);
        
        /*output format*/
        xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws, 
                                                                    "Parameter", "outputFormat", 
                                                                    "XMLSCHEMA,text/xml; subtype=gml/2.1.2,text/xml; subtype=gml/3.1.1"));
    }

/* -------------------------------------------------------------------- */
/*      GetFeature                                                      */
/* -------------------------------------------------------------------- */
    if (msOWSRequestIsEnabled(map, NULL, "F", "GetFeature", MS_TRUE)) 
    {

        psNode = xmlAddChild(psMainNode, 
                             msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"GetFeature", 
                                                                 OWS_METHOD_GETPOST, script_url_encoded));
        xmlAddChild(psMainNode, psNode);
        
        xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                                                                    "Parameter", "resultType", 
                                                                    "results,hits"));

        formats_list = msWFSGetOutputFormatList( map, NULL, "1.1.0" );
        xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws, 
                                                                    "Parameter", "outputFormat", 
                                                                    formats_list));
        msFree( formats_list );

        value = msOWSLookupMetadata(&(map->web.metadata), "FO", "maxfeatures");

        if (value) {
            xmlAddChild(psMainNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                                                                            "Constraint", "DefaultMaxFeatures",
                                                                            (char *)value));
        }
    }

/* -------------------------------------------------------------------- */
/*      FeatureTypeList                                                 */
/* -------------------------------------------------------------------- */
     
     psFtNode = xmlNewNode(NULL, BAD_CAST "FeatureTypeList");
     xmlAddChild(psRootNode, psFtNode);
     psNode = xmlNewChild(psFtNode, NULL, BAD_CAST "Operations", NULL);
     xmlNewChild(psNode, NULL, BAD_CAST "Operation", BAD_CAST "Query");
     
     for(i=0; i<map->numlayers; i++)
     {
         layerObj *lp;
         lp = GET_LAYER(map, i);
         
         if (!msIntegerInArray(lp->index, ows_request->enabled_layers, ows_request->numlayers))
             continue;

         /* List only vector layers in which DUMP=TRUE */
         if (msWFSIsLayerSupported(lp))
           xmlAddChild(psFtNode, msWFSDumpLayer11(map, lp, psNsOws));
     }
     
     
     
     
     
/* -------------------------------------------------------------------- */
/*      Filter capabilities.                                            */
/* -------------------------------------------------------------------- */

     psNsOgc = xmlNewNs(NULL, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_PREFIX);
     xmlAddChild(psRootNode, FLTGetCapabilities(psNsOgc, psNsOgc, MS_FALSE));
/* -------------------------------------------------------------------- */
/*      Write out the document.                                         */
/* -------------------------------------------------------------------- */

    if( msIO_needBinaryStdout() == MS_FAILURE )
        return MS_FAILURE;
     
    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);
    
    context = msIO_getHandler(stdout);

    xmlDocDumpFormatMemoryEnc(psDoc, &buffer, &size, (encoding ? encoding : "ISO-8859-1"), 1);
    msIO_contextWrite(context, buffer, size);
    xmlFree(buffer);

    /*free buffer and the document */
    /*xmlFree(buffer);*/
    xmlFreeDoc(psDoc);
    xmlFreeNs(psNsOgc);

    free(script_url);	
     free(script_url_encoded);
    free(xsi_schemaLocation);
    free(schemalocation);

    xmlCleanupParser();

    return(MS_SUCCESS);
}

示例#2

文件： mapwfs11.c 项目： EOX-A/mapserver

int msWFSGetCapabilities11(mapObj *map, wfsParamsObj *params,
                           cgiRequestObj *req, owsRequestObj *ows_request)
{
  xmlDocPtr psDoc = NULL;       /* document pointer */
  xmlNodePtr psRootNode, psMainNode, psNode, psFtNode;
  const char *updatesequence=NULL;
  xmlNsPtr psNsOws, psNsXLink, psNsOgc;
  char *schemalocation = NULL;
  char *xsi_schemaLocation = NULL;
  const char *user_namespace_prefix = NULL;
  const char *user_namespace_uri = NULL;
  gmlNamespaceListObj *namespaceList=NULL; /* for external application schema support */

  char *script_url=NULL, *formats_list;
  const char *value = NULL;

  xmlChar *buffer = NULL;
  int size = 0, i;
  msIOContext *context = NULL;

  int ows_version = OWS_1_0_0;
  int ret;

  /* -------------------------------------------------------------------- */
  /*      Handle updatesequence                                           */
  /* -------------------------------------------------------------------- */
  ret = msWFSHandleUpdateSequence(map, params, "msWFSGetCapabilities11()");
  if( ret != MS_SUCCESS )
      return ret;

  /* -------------------------------------------------------------------- */
  /*      Create document.                                                */
  /* -------------------------------------------------------------------- */
  psDoc = xmlNewDoc(BAD_CAST "1.0");

  psRootNode = xmlNewNode(NULL, BAD_CAST "WFS_Capabilities");

  xmlDocSetRootElement(psDoc, psRootNode);

  /* -------------------------------------------------------------------- */
  /*      Name spaces                                                     */
  /* -------------------------------------------------------------------- */
  /*default name space*/
  xmlNewProp(psRootNode, BAD_CAST "xmlns", BAD_CAST "http://www.opengis.net/wfs");

  xmlSetNs(psRootNode, xmlNewNs(psRootNode, BAD_CAST "http://www.opengis.net/gml", BAD_CAST "gml"));
  xmlSetNs(psRootNode, xmlNewNs(psRootNode, BAD_CAST "http://www.opengis.net/wfs", BAD_CAST "wfs"));

  psNsOws = xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_OWS_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OWS_NAMESPACE_PREFIX);
  psNsXLink = xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_W3C_XLINK_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_W3C_XLINK_NAMESPACE_PREFIX);
  xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_W3C_XSI_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_W3C_XSI_NAMESPACE_PREFIX);
  xmlNewNs(psRootNode, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_PREFIX );

  value = msOWSLookupMetadata(&(map->web.metadata), "FO", "namespace_uri");
  if(value) user_namespace_uri = value;

  value = msOWSLookupMetadata(&(map->web.metadata), "FO", "namespace_prefix");
  if(value) user_namespace_prefix = value;
  if(user_namespace_prefix != NULL && msIsXMLTagValid(user_namespace_prefix) == MS_FALSE)
    msIO_printf("<!-- WARNING: The value '%s' is not valid XML namespace. -->\n", user_namespace_prefix);
  else
    xmlNewNs(psRootNode, BAD_CAST user_namespace_uri, BAD_CAST user_namespace_prefix);

  /* any additional namespaces */
  namespaceList = msGMLGetNamespaces(&(map->web), "G");
  for(i=0; i<namespaceList->numnamespaces; i++) {
    if(namespaceList->namespaces[i].uri) {
      xmlNewNs(psRootNode, BAD_CAST namespaceList->namespaces[i].uri, BAD_CAST namespaceList->namespaces[i].prefix);
    }
  }
  msGMLFreeNamespaces(namespaceList);
  

  xmlNewProp(psRootNode, BAD_CAST "version", BAD_CAST params->pszVersion );

  updatesequence = msOWSLookupMetadata(&(map->web.metadata), "FO", "updatesequence");

  if (updatesequence)
    xmlNewProp(psRootNode, BAD_CAST "updateSequence", BAD_CAST updatesequence);

  /*schema*/
  schemalocation = msEncodeHTMLEntities( msOWSGetSchemasLocation(map) );
  xsi_schemaLocation = msStrdup("http://www.opengis.net/wfs");
  xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, " ");
  xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, schemalocation);
  xsi_schemaLocation = msStringConcatenate(xsi_schemaLocation, "/wfs/1.1.0/wfs.xsd");
  xmlNewNsProp(psRootNode, NULL, BAD_CAST "xsi:schemaLocation", BAD_CAST xsi_schemaLocation);

  /* -------------------------------------------------------------------- */
  /*      Service metadata.                                               */
  /* -------------------------------------------------------------------- */

  xmlAddChild(psRootNode,
                          msOWSCommonServiceIdentification(psNsOws, map, "OGC WFS", params->pszVersion, "FO", NULL));

  /*service provider*/
  xmlAddChild(psRootNode, msOWSCommonServiceProvider(
                            psNsOws, psNsXLink, map, "FO", NULL));

  /*operation metadata */
  if ((script_url=msOWSGetOnlineResource(map, "FO", "onlineresource", req)) == NULL) {
    msSetError(MS_WFSERR, "Server URL not found", "msWFSGetCapabilities11()");
    return msWFSException11(map, "mapserv", MS_OWS_ERROR_NO_APPLICABLE_CODE, params->pszVersion);
  }

  /* -------------------------------------------------------------------- */
  /*      Operations metadata.                                            */
  /* -------------------------------------------------------------------- */
  psMainNode= xmlAddChild(psRootNode,msOWSCommonOperationsMetadata(psNsOws));

  /* -------------------------------------------------------------------- */
  /*      GetCapabilities                                                 */
  /* -------------------------------------------------------------------- */
  psNode = xmlAddChild(psMainNode,
                       msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"GetCapabilities",
                           OWS_METHOD_GETPOST, script_url));

  xmlAddChild(psMainNode, psNode);
  xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(
                ows_version, psNsOws, "Parameter", "service", "WFS"));
  /*accept version*/
  xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
              "Parameter", "AcceptVersions",
              "1.0.0,1.1.0"));
  /*format*/
  xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
              "Parameter", "AcceptFormats",
              "text/xml"));


  /* -------------------------------------------------------------------- */
  /*      DescribeFeatureType                                             */
  /* -------------------------------------------------------------------- */
  if (msOWSRequestIsEnabled(map, NULL, "F", "DescribeFeatureType", MS_TRUE)) {
    psNode = xmlAddChild(psMainNode,
                         msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"DescribeFeatureType",
                             OWS_METHOD_GETPOST, script_url));
    xmlAddChild(psMainNode, psNode);

    /*output format*/
    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                "Parameter", "outputFormat",
                "XMLSCHEMA,text/xml; subtype=gml/2.1.2,text/xml; subtype=gml/3.1.1"));
  }

  /* -------------------------------------------------------------------- */
  /*      GetFeature                                                      */
  /* -------------------------------------------------------------------- */
  if (msOWSRequestIsEnabled(map, NULL, "F", "GetFeature", MS_TRUE)) {

    psNode = xmlAddChild(psMainNode,
                         msOWSCommonOperationsMetadataOperation(psNsOws,psNsXLink,"GetFeature",
                             OWS_METHOD_GETPOST, script_url));
    xmlAddChild(psMainNode, psNode);

    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                "Parameter", "resultType",
                "results,hits"));

    formats_list = msWFSGetOutputFormatList( map, NULL, OWS_1_1_0 );
    xmlAddChild(psNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                "Parameter", "outputFormat",
                formats_list));
    msFree( formats_list );

    value = msOWSLookupMetadata(&(map->web.metadata), "FO", "maxfeatures");

    if (value) {
      xmlAddChild(psMainNode, msOWSCommonOperationsMetadataDomainType(ows_version, psNsOws,
                  "Constraint", "DefaultMaxFeatures",
                  (char *)value));
    }
  }

  /* -------------------------------------------------------------------- */
  /*      FeatureTypeList                                                 */
  /* -------------------------------------------------------------------- */

  psFtNode = xmlNewNode(NULL, BAD_CAST "FeatureTypeList");
  xmlAddChild(psRootNode, psFtNode);
  psNode = xmlNewChild(psFtNode, NULL, BAD_CAST "Operations", NULL);
  xmlNewChild(psNode, NULL, BAD_CAST "Operation", BAD_CAST "Query");

  for(i=0; i<map->numlayers; i++) {
    layerObj *lp;
    lp = GET_LAYER(map, i);

    if (!msIntegerInArray(lp->index, ows_request->enabled_layers, ows_request->numlayers))
      continue;

    /* List only vector layers in which DUMP=TRUE */
    if (msWFSIsLayerSupported(lp))
      xmlAddChild(psFtNode, msWFSDumpLayer11(map, lp, psNsOws, OWS_1_1_0, NULL));
  }





  /* -------------------------------------------------------------------- */
  /*      Filter capabilities.                                            */
  /* -------------------------------------------------------------------- */

  psNsOgc = xmlNewNs(NULL, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_URI, BAD_CAST MS_OWSCOMMON_OGC_NAMESPACE_PREFIX);
  xmlAddChild(psRootNode, FLTGetCapabilities(psNsOgc, psNsOgc, MS_FALSE));
  /* -------------------------------------------------------------------- */
  /*      Write out the document.                                         */
  /* -------------------------------------------------------------------- */

  if( msIO_needBinaryStdout() == MS_FAILURE )
    return MS_FAILURE;

  msIO_setHeader("Content-Type","text/xml; charset=UTF-8");
  msIO_sendHeaders();

  context = msIO_getHandler(stdout);

  xmlDocDumpFormatMemoryEnc(psDoc, &buffer, &size, ("UTF-8"), 1);
  msIO_contextWrite(context, buffer, size);
  xmlFree(buffer);

  /*free buffer and the document */
  /*xmlFree(buffer);*/
  xmlFreeDoc(psDoc);
  xmlFreeNs(psNsOgc);

  free(script_url);
  free(xsi_schemaLocation);
  free(schemalocation);

  xmlCleanupParser();

  return(MS_SUCCESS);
}