private List<SyndicationItem> CreateItemCollection(RecordSet results, GeoRSSExportProperties feedProperties)
{
List<SyndicationItem> items = new List<SyndicationItem>();
ICursor cursor;
SimpleGeometryFactory simpleFactory = new SimpleGeometryFactory();
GMLGeometryFactory gmlFactory = new GMLGeometryFactory();
try
{
//create a feed item for each record
cursor = results.get_Cursor(false);
Exporter.logger.LogMessage(ESRI.ArcGIS.SOESupport.ServerLogger.msgType.infoStandard, "CreateItemCollection", 999999, "Cursor Set");
IRow row = cursor.NextRow();
int rowCount = 0;
if (row != null)
{
while (row != null)
{
//on the first row log out the field name and field alias
if (rowCount == 0)
{
for (int r = 0; r < row.Fields.FieldCount; r++)
{
IField field = row.Fields.get_Field(r);
Exporter.logger.LogMessage(ESRI.ArcGIS.SOESupport.ServerLogger.msgType.infoDetailed,
"CreateItemCollection",
999999,
"field Name: " + field.Name +
" field alias: " + field.AliasName
);
}
}
SyndicationItem item = new SyndicationItem();
//set the item properties
foreach (KeyValuePair<string, GeoRSSExportItem> itemConfig in feedProperties.Items)
{
GeoRSSExportItem itemExportProperty = itemConfig.Value;
if (itemExportProperty != null)
{
SetItemValues(row, ref item, itemConfig, itemExportProperty);
}
}
//process the geometry
int fieldIndex = row.Fields.FindField(feedProperties.GeometryField);
if (fieldIndex == -1)
throw new Exception("Could not locate geometry field:" + feedProperties.GeometryField);
if (row.get_Value(fieldIndex) != null)
{
IGeometry geom = row.get_Value(fieldIndex) as IGeometry;
GeoRSSGeometry geometry = null;
switch (feedProperties.GetGeoRSSGeomtryType())
{
case GeoRSSGeometryFormat.Simple:
geometry = simpleFactory.GetGeometry(geom);
break;
case GeoRSSGeometryFormat.GML:
geometry = gmlFactory.GetGeometry(geom);
break;
default:
break;
}
if (geom != null)
item.ElementExtensions.Add(geometry.GeometryAsXML);
}
items.Add(item);
row = cursor.NextRow();
rowCount++;
}
}
return items;
}
catch (Exception ex)
{
throw ex;
}
finally
{
cursor = null;
}
}
