Package com.logicaldoc.zonalocr

Class ZonalOCR

java.lang.Object

com.logicaldoc.zonalocr.ZonalOCR

@Component("zonalOCR")
public class ZonalOCR
extends Object

The Zonal OCR engine

Since:

8.4.2

Author:

Marco Meschieri - LogicalDOC

Constructor Summary

Constructors

Constructor	Description
ZonalOCR()

Method Summary

Modifier and Type	Method	Description
String	extractZoneText(File scan, Zone zone, Locale locale, String tenant, boolean updateSample)	Uses the OCR to extract the text from the given zone
void	processDocument(long docId, com.logicaldoc.core.document.DocumentHistory transaction)	Processes a document using a given OCR template, the first page is elaborated and the extracted zones are used to fill the document's extended attributes.
Map<String,Object>	processFile(File scan, OCRTemplate template, com.logicaldoc.core.document.Document document, com.logicaldoc.core.document.DocumentHistory transaction)	Processes a file using a given template
void	setDocumentDao(com.logicaldoc.core.document.DocumentDAO documentDao)
void	setDocumentManager(com.logicaldoc.core.document.DocumentManager documentManager)
void	setOcrManager(OcrManager ocrManager)
void	setOcrTemplateDao(OCRTemplateDAO ocrTemplateDao)
void	setTemplateDao(com.logicaldoc.core.metadata.TemplateDAO templateDAO)
void	setTenantDao(com.logicaldoc.core.security.TenantDAO tenantDao)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ZonalOCR

public ZonalOCR()

Method Details

processDocument

public void processDocument(long docId,
 com.logicaldoc.core.document.DocumentHistory transaction)
                     throws com.logicaldoc.core.PersistenceException,
IOException

Processes a document using a given OCR template, the first page is elaborated and the extracted zones are used to fill the document's extended attributes.

Parameters:

docId - the document to process

transaction - informations about the operation

Throws:

com.logicaldoc.core.PersistenceException - Error in the persistence layer

IOException - I/O error

processFile

public Map<String,Object> processFile(File scan,
 OCRTemplate template,
 com.logicaldoc.core.document.Document document,
 com.logicaldoc.core.document.DocumentHistory transaction)
                               throws com.logicaldoc.core.PersistenceException

Processes a file using a given template

Parameters:

scan - the image file to process

template - the OCR template that describes the zones

document - the document being processed

transaction - informations about the operation

Returns:

the map zone_name-zone_value

Throws:

com.logicaldoc.core.PersistenceException - Error in the data layer

extractZoneText

public String extractZoneText(File scan,
 Zone zone,
 Locale locale,
 String tenant,
 boolean updateSample)
                       throws IOException

Uses the OCR to extract the text from the given zone

Parameters:

scan - the original scan file

zone - the zone to extract

locale - a locale to use as hint for the OCR, if null the zone's one will be used instead

tenant - name of the current tenant

updateSample - update the sample of the zone(sample and sampleText attributes)

Returns:

The text extracted by the OCR

Throws:

IOException - an error occurred processing the image or executing the OCR

setTenantDao

public void setTenantDao(com.logicaldoc.core.security.TenantDAO tenantDao)

setOcrManager

public void setOcrManager(OcrManager ocrManager)

setOcrTemplateDao

public void setOcrTemplateDao(OCRTemplateDAO ocrTemplateDao)

setTemplateDao

public void setTemplateDao(com.logicaldoc.core.metadata.TemplateDAO templateDAO)

setDocumentDao

public void setDocumentDao(com.logicaldoc.core.document.DocumentDAO documentDao)

setDocumentManager

public void setDocumentManager(com.logicaldoc.core.document.DocumentManager documentManager)