protected override void Execute(CodeActivityContext context)
{
ExtractorDocumentType documentType = ExtractorDocumentType.Get(context);
ResultsDocumentBounds documentBounds = DocumentBounds.Get(context);
string text = DocumentText.Get(context);
Document document = DocumentObjectModel.Get(context);
string documentPath = DocumentPath.Get(context);
ExtractorResult.Set(context, ComputeResult(documentType, documentBounds, text, document, documentPath));
}
private ExtractorResult ComputeResult(ExtractorDocumentType documentType, ResultsDocumentBounds documentBounds, string text, Document document, string documentPath)
{
var extractorResult = new ExtractorResult();
var resultsDataPoints = new List <ResultsDataPoint>();
// example of reporting a value with derived parts
Field firstDateField = documentType.Fields.FirstOrDefault(f => f.Type == FieldType.Date);
if (firstDateField != null)
{
// if any field is of type Date return first word on first page as reference and report Jan 1st 2002 as value
resultsDataPoints.Add(CreateDateFieldDataPoint(firstDateField, document));
}
// example of report a value with no textual reference (only visual reference)
Field firstBooleanField = documentType.Fields.FirstOrDefault(f => f.Type == FieldType.Boolean);
if (firstBooleanField != null)
{
// if any field is of type Boolean return "true" with a visual reference from pixel position (50, 100) and width 200 and height 300.
resultsDataPoints.Add(CreateBooleanFieldDataPoint(firstBooleanField, document));
}
// example of table value
Field firstTableField = documentType.Fields.FirstOrDefault(f => f.Type == FieldType.Table);
if (firstTableField != null)
{
// if any field is of type Table return a table with headers referencing the first N words and 2 rows referencing the next N * 2 words.
// N will be the number of columns in the table field.
resultsDataPoints.Add(CreateTableFieldDataPoint(firstTableField, document));
}
extractorResult.DataPoints = resultsDataPoints.ToArray();
return(extractorResult);
}