private bool CheckForRowsetStart()

in RowsetImportEngine/TextRowsetImporter.cs [770:823]
52 lines of code
16 McCabe index (conditional complexity)

        private bool CheckForRowsetStart (string ColumnLines, string ColumnNames, string RowsetIdentifier, bool NonTabularOnly)
		{
			ArrayList rowsets;

			try
			{
				// See whether any of the known rowsets "claims" this one. 
				if (NonTabularOnly)
					rowsets = this.KnownNonTabularRowsets;
				else
					rowsets = this.KnownRowsets;
				foreach (TextRowset r in rowsets)
				{
					if (r.CheckForRowsetStart(ColumnLines, ColumnNames, RowsetIdentifier))
					{
						this.CurrentRowset = r;
						break;
					}
				}
	
				if (!(null == this.CurrentRowset)) 
				{
					// We've found a rowset object that claims the current rowset. 
					this.CurrentRowset.DefineRowsetColumns(ColumnLines, ColumnNames);
					// Issue a DROP TABLE for this rowset if this is the first time we've encountered it and if 
					// we're not supposed to be appending rows to existing tables. 
					if ((this.dropTables) && (!this.CurrentRowset.HasBeenEncountered))
						DropCurrentTable();
					// Create table in SQL if this is the first time we've run into it. 
					if (!this.CurrentRowset.HasBeenEncountered)
					{
                        logger.LogMessage("First time encoutering row identifier '" + RowsetIdentifier + "'");
						CreateTable();
					}
					// If we don't have an in-progress bulk load for the rowset, start one. 
					if (!this.CurrentRowset.InBCPRowset)
					{
						if (!SetUpBulkLoadRowset(this.CurrentRowset))
						    return false;
					}
					// We're all set. Mark this rowset as "encountered" so we don't drop it again next time.
					this.CurrentRowset.HasBeenEncountered = true;
					return true;
				}
				else 
					return false; 
			}
			catch (Exception e)
			{
                ErrorDialog ed = new ErrorDialog(e, true, this.logger);
				ed.Handle();
			}
			return true;
		}