Example usage for org.apache.pdfbox.cos COSDocument COSDocument

List of usage examples for org.apache.pdfbox.cos COSDocument COSDocument

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Introduction

In this page you can find the example usage for org.apache.pdfbox.cos COSDocument COSDocument.

Prototype

public COSDocument()

Source Link

Document

Constructor.

Usage

From source file:FeatureExtraction.FeatureExtractorPDFStructuralPaths.java

/**
 * Return true if the PDF is compatible/*from ww  w.jav a  2  s. co  m*/
 *
 * @param filePath pdf file path
 * @return true if the PDF is compatible
 */
public boolean IsCompatiblePDF2(String filePath) {
    File pdfFile = new File(filePath);
    Map<String, Integer> structuralPaths = new HashMap<>();
    HashSet<COSBase> visitedObjects = new HashSet<>();
    boolean compatible = true;
    PDDocument pdf = new PDDocument();
    COSDocument pdfDocument = new COSDocument();
    String parentPath = "";
    String pdfObjectName = "Trailer";
    try {
        pdf = PDDocument.load(pdfFile);
        pdfDocument = pdf.getDocument();
        ExtractPDFStructuralPathsRecursively(pdfDocument.getTrailer().getCOSObject(), pdfObjectName, parentPath,
                structuralPaths, visitedObjects, 1);
    } catch (IOException e) {
        compatible = false;
    } finally {
        try {
            pdf.close();
            pdfDocument.close();
        } catch (IOException e) {
            Console.PrintException(String.format("Error closing PDF file: '%s'", filePath), e);
        }
    }
    return compatible;
}

From source file:FeatureExtraction.FeatureExtractorPDFStructuralPathsOld.java

/**
 * Return true if the PDF is compatible/*from w  w w  .j a v a 2  s .  co  m*/
 *
 * @param filePath pdf file path
 * @return true if the PDF is compatible
 */
public boolean IsCompatiblePDF2(String filePath) {
    File pdfFile = new File(filePath);
    Map<String, Integer> structuralPaths = new HashMap<>();
    HashSet<COSBase> visitedObjects = new HashSet<>();
    boolean compatible = true;
    PDDocument pdf = new PDDocument();
    COSDocument pdfDocument = new COSDocument();
    try {
        pdf = PDDocument.load(pdfFile);
        pdfDocument = pdf.getDocument();
        ExtractPDFStructuralPathsRecursively(pdfDocument.getTrailer().getCOSObject(), "Trailer", "",
                structuralPaths, visitedObjects);
    } catch (IOException e) {
        compatible = false;
    } finally {
        try {
            pdf.close();
            pdfDocument.close();
        } catch (IOException e) {
            Console.PrintException(String.format("Error closing PDF file: '%s'", filePath), e);
        }
    }
    return compatible;
}

From source file:net.awl.edoc.pdfa.LInearPdf.java

License:Apache License

public static void main(String[] args) throws Exception {
    InputStream is = new FileInputStream("/home/eric/dictionnaire.txt");
    // PDFStreamParser parser = new PDFStreamParser(is,new
    // RandomAccessBuffer());
    // COSDocument doc = new COSDocument();
    // parser.setDocument(doc);
    // parser.parse();
    ////from w w w  . j a v a 2  s  .  c  om
    // System.out.println(((COSDictionary)doc.getObjects().get(0)).getInt("Size"));

    CustomParser parser = new CustomParser(is);
    COSDocument doc = new COSDocument();
    parser.setDocument(doc);
    COSDictionary dic = parser.getCOSDictionary();
    System.out.println(dic.toString());
}

From source file:net.padaf.preflight.helpers.TrailerValidationHelper.java

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {

    List<ValidationError> result = new ArrayList<ValidationError>(0);
    PDDocument pdfDoc = handler.getDocument();

    COSDictionary linearizedDict = isLinearizedPdf(pdfDoc);
    if (linearizedDict != null) {
        // it is a linearized PDF, check the linearized dictionary
        checkLinearizedDictionnary(linearizedDict, result);

        // if the pdf is a linearized pdf. the first trailer must be checked
        // and it must have the same ID than the last trailer.
        List<String> lTrailers = handler.getPdfExtractor().getAllTrailers();
        String firstTrailer = lTrailers.get(0);
        String lastTrailer = lTrailers.get(lTrailers.size() - 1);

        COSDictionary first = null;// w w  w  .j av a 2  s . c o  m
        COSDictionary last = null;
        COSDocument cd = null;
        try {
            cd = new COSDocument();
            PdfElementParser parser1 = new PdfElementParser(cd, firstTrailer.getBytes());
            first = parser1.parseAsDictionary();
            PdfElementParser parser2 = new PdfElementParser(cd, lastTrailer.getBytes());
            last = parser2.parseAsDictionary();

            checkMainTrailer(pdfDoc.getDocument(), first, result);
            if (!compareIds(first, last, pdfDoc.getDocument())) {
                result.add(new ValidationResult.ValidationError(
                        ValidationConstants.ERROR_SYNTAX_TRAILER_ID_CONSISTENCY,
                        "ID is different in the first and the last trailer"));
            }

        } catch (IOException e) {
            result.add(new ValidationResult.ValidationError(ValidationConstants.ERROR_SYNTAX_TRAILER,
                    "Unable to parse trailers of the linearized PDF"));
        } finally {
            COSUtils.closeDocumentQuietly(cd);
        }

    } else {
        // If the PDF isn't a linearized one, only the last trailer must be
        // checked
        List<String> lTrailers = handler.getPdfExtractor().getAllTrailers();
        String lastTrailer = lTrailers.get(lTrailers.size() - 1);

        COSDocument cd = null;
        try {
            cd = new COSDocument();
            PdfElementParser parser = new PdfElementParser(cd, lastTrailer.getBytes());
            COSDictionary trailer = parser.parseAsDictionary();
            checkMainTrailer(pdfDoc.getDocument(), trailer, result);
        } catch (IOException e) {
            result.add(new ValidationResult.ValidationError(ValidationConstants.ERROR_SYNTAX_TRAILER,
                    "The trailer dictionary is missing"));
        } finally {
            try {
                cd.close();
            } catch (IOException e) {
                COSUtils.closeDocumentQuietly(cd);
            }
        }

    }
    return result;
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsInteger() {
    try {// w w  w  .ja  v a  2s .  c  o  m
        COSObject co = new COSObject(new COSInteger(10));
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isInteger(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isInteger(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsFloat() {
    try {/*w  ww . j a  v  a 2  s  . c  o m*/
        COSObject co = new COSObject(new COSFloat(10.0f));
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isFloat(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isFloat(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsString() {
    try {/*  ww  w .  ja  va 2 s  .  c om*/
        COSObject co = new COSObject(new COSString(""));
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isString(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isString(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsStream() {
    try {//from w  ww.  j a v  a2s .  c  om
        COSObject co = new COSObject(new COSStream(null));
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isStream(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isStream(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsDictionary() {
    try {/* w w w  .  ja v  a  2s  . co m*/
        COSObject co = new COSObject(new COSDictionary());
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isDictionary(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isDictionary(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}

From source file:net.padaf.preflight.utils.TestCOSUtils.java

License:Apache License

@Test
public void testIsArray() {
    try {//from ww w  .  j a  v a  2  s. com
        COSObject co = new COSObject(new COSArray());
        co.setGenerationNumber(new COSInteger(0));
        co.setObjectNumber(new COSInteger(10));

        assertFalse(COSUtils.isArray(co, new IOCOSDocument()));

        COSDocument doc = new COSDocument();
        doc.setXRef(new COSObjectKey(co), 1000);
        COSUtils.isArray(co, doc);
        doc.close();
    } catch (IOException e) {
        fail(e.getMessage());
    }
}