org.gcube.datatransformation.datatransformationlibrary.programs.applications
Class PDFToJPGTransformer

java.lang.Object
  org.gcube.datatransformation.datatransformationlibrary.programs.Elm2ElmProgram
      org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram
          org.gcube.datatransformation.datatransformationlibrary.programs.applications.PDFToJPGTransformer

All Implemented Interfaces:

org.gcube.datatransformation.datatransformationlibrary.programs.Program

public class PDFToJPGTransformer
extends org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram

Author:

Dimitris Katris, NKUA

Program transforming the first page of a pdf to jpeg.

Constructor Summary

PDFToJPGTransformer()

Method Summary

protected static void	pdfToAllImages(String outdir, org.pdfbox.pdmodel.PDDocument document)
protected static String	pdfToOneImage(String outFileName, org.pdfbox.pdmodel.PDDocument document, int pageNum)
InputStream	transformStream(InputStream content, org.gcube.datatransformation.datatransformationlibrary.model.ContentType sourceContentType, List<org.gcube.datatransformation.datatransformationlibrary.model.Parameter> programParameters, org.gcube.datatransformation.datatransformationlibrary.model.ContentType targetContentType)

Methods inherited from class org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram

transformDataElement

Methods inherited from class org.gcube.datatransformation.datatransformationlibrary.programs.Elm2ElmProgram

transform

Methods inherited from class java.lang.Object

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

Constructor Detail

PDFToJPGTransformer

public PDFToJPGTransformer()

Method Detail

transformStream

public InputStream transformStream(InputStream content,
                                   org.gcube.datatransformation.datatransformationlibrary.model.ContentType sourceContentType,
                                   List<org.gcube.datatransformation.datatransformationlibrary.model.Parameter> programParameters,
                                   org.gcube.datatransformation.datatransformationlibrary.model.ContentType targetContentType)
                            throws Exception

Specified by:

transformStream in class org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram

Parameters:

content - The content of the source DataElement.

sourceContentType - The ContentType of the source DataElement.

programParameters - The parameters of the Program.

targetContentType - The ContentType in which the DataElement will be transformed.

Returns:

The transformed content

Throws:

Exception - If the Program is not capable to transform DataElements.

See Also:

Stream2StreamProgram.transformStream(java.io.InputStream, org.gcube.datatransformation.datatransformationlibrary.model.ContentType, java.util.List, org.gcube.datatransformation.datatransformationlibrary.model.ContentType)

pdfToOneImage

protected static String pdfToOneImage(String outFileName,
                                      org.pdfbox.pdmodel.PDDocument document,
                                      int pageNum)
                               throws Exception

Throws:

Exception

pdfToAllImages

protected static void pdfToAllImages(String outdir,
                                     org.pdfbox.pdmodel.PDDocument document)
                              throws Exception

Throws:

Exception