org.gcube.application.framework.contentmanagement.datatransformation.util
Class DataTransformationUtils

java.lang.Object
  org.gcube.application.framework.contentmanagement.datatransformation.util.DataTransformationUtils

public class DataTransformationUtils
extends Object

Field Summary

protected org.gcube.common.core.utils.logging.GCUBELog

logger

Constructor Summary

DataTransformationUtils()

Method Summary

static ArrayList<DocumentInfos>	getListOfFailuresFromReport(String rsLocator, ArrayList<DocumentInfos> allDocuments, ArrayList<String> collectionId) It parses the reports contained in the resultset, coming from DTS and returns the list of the document URIs that failed to be transformed.
static ArrayList<DocumentInfos>	getReports(String rsLocator, ArrayList<String> collectionId)
protected static org.gcube.common.searchservice.searchlibrary.rsreader.RSXMLReader	getRSClient(String epr)
static ArrayList<String>	performOCRtoPDF_HTTPInput(ArrayList<DocumentInfos> documents, String outputCollectionId, org.gcube.application.framework.core.session.ASLSession session) Transforms a list of PDF documents to text, using OCR Service.
static String	transformPDFDocumentsToText(String listLocation, ArrayList<String> collectionId, String collectionName, String scope) Transforms a list of PDF documents to Text documents, using DTS.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.gcube.common.core.utils.logging.GCUBELog logger

Constructor Detail

DataTransformationUtils

public DataTransformationUtils()

Method Detail

transformPDFDocumentsToText

public static String transformPDFDocumentsToText(String listLocation,
                                                 ArrayList<String> collectionId,
                                                 String collectionName,
                                                 String scope)
                                          throws ServiceEPRRetrievalException,
                                                 TransformationException

Transforms a list of PDF documents to Text documents, using DTS. It returns an RSLocator of the resultset containing the reports for the transformations.

Parameters:

listLocation - - the location of the file containing the document URIs

collectionId - - the output collection id requested (empty if a new collection is about to be created)

collectionName - - the name of the output collection id requested

scope -

Returns:

returns the rsLocator of the resultset, containing the reports from the transformation

Throws:

ServiceEPRRetrievalException

TransformationException

getListOfFailuresFromReport

public static ArrayList<DocumentInfos> getListOfFailuresFromReport(String rsLocator,
                                                                   ArrayList<DocumentInfos> allDocuments,
                                                                   ArrayList<String> collectionId)
                                                            throws ReadingRSException

It parses the reports contained in the resultset, coming from DTS and returns the list of the document URIs that failed to be transformed.

Parameters:

rsLocator - - the RSLocator containing the reports from DTS

allDocuments - - list of all the documents that participated in the transformation attempt

collectionId - - empty list that needs to be filled with the id of the Collection Output

Returns:

the documents that failed to be transformed

Throws:

ReadingRSException

getReports

public static ArrayList<DocumentInfos> getReports(String rsLocator,
                                                  ArrayList<String> collectionId)
                                           throws ReadingRSException

Throws:

ReadingRSException

getRSClient

protected static org.gcube.common.searchservice.searchlibrary.rsreader.RSXMLReader getRSClient(String epr)
                                                                                        throws ReadingRSException

Throws:

ReadingRSException

performOCRtoPDF_HTTPInput

public static ArrayList<String> performOCRtoPDF_HTTPInput(ArrayList<DocumentInfos> documents,
                                                          String outputCollectionId,
                                                          org.gcube.application.framework.core.session.ASLSession session)
                                                   throws ServiceEPRRetrievalException,
                                                          OCRException

Transforms a list of PDF documents to text, using OCR Service. It returns a list of the CM URIs of the output documents. It also copies the generated output to the collection given as a parameter.

Parameters:

documents - - the list of documents to be transformed

outpuCollectionId - - the collection to which the output will be inserted

session -

Returns:

- list of CM URIs of transformed documents

Throws:

ServiceEPRRetrievalException

OCRException