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

Introduction

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

Prototype

public List<COSObject> getObjects() 

Source Link

Document

This will get a list of all available objects.

Usage

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

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {
    List<ValidationError> result = new ArrayList<ValidationError>(0);
    PDDocument pdfDoc = handler.getDocument();
    COSDocument cDoc = pdfDoc.getDocument();

    List<?> lCOSObj = cDoc.getObjects();
    for (Object o : lCOSObj) {
        COSObject cObj = (COSObject) o;//from  w w  w.  j a va2s .c  om

        // ---- If this object represents a Stream
        // The Dictionary must contain the Length key
        COSBase cBase = cObj.getObject();
        if (cBase instanceof COSDictionary) {
            COSDictionary dic = (COSDictionary) cBase;
            String type = dic.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE));
            if (FILE_SPECIFICATION_VALUE_TYPE.equals(type)) {
                // ---- It is a file specification
                result.addAll(validateFileSpecification(handler, cObj));
            }
        }
    }
    return result;
}

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

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {
    List<ValidationError> result = new ArrayList<ValidationError>(0);
    PDDocument pdfDoc = handler.getDocument();
    COSDocument cDoc = pdfDoc.getDocument();

    List<?> lCOSObj = cDoc.getObjects();

    List<FontValidator> lType3 = new ArrayList<FontValidator>();

    for (Object o : lCOSObj) {
        COSObject cObj = (COSObject) o;//from www  .  j a  va  2  s. c  o m

        // If this object represents a Stream, the Dictionary must contain the
        // Length key
        COSBase cBase = cObj.getObject();
        if (cBase instanceof COSDictionary) {
            COSDictionary dic = (COSDictionary) cBase;
            String type = dic.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE));
            if (type != null && FONT_DICTIONARY_VALUE_FONT.equals(type)) {
                FontValidator fontVal = fontValidationFactory.getFontValidator(cObj, handler);
                if (fontVal instanceof Type3FontValidator) {
                    lType3.add(fontVal);
                } else {
                    validateFont(handler, fontVal, result);
                }
            }
        }
    }

    // ---- Type 3 can contain other font, so type 3 are validated at the end.
    for (FontValidator t3FontVal : lType3) {
        validateFont(handler, t3FontVal, result);
    }

    return result;
}

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

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {
    List<ValidationError> result = new ArrayList<ValidationError>(0);
    PDDocument pdfDoc = handler.getDocument();

    // ---- Checks all XObjects
    COSDocument cDoc = pdfDoc.getDocument();
    List<?> lCOSObj = cDoc.getObjects();
    for (Object o : lCOSObj) {
        COSObject cObj = (COSObject) o;// w  w  w . j  ava  2 s.  c o  m
        COSBase cBase = cObj.getObject();
        if (cBase instanceof COSDictionary) {
            COSDictionary dic = (COSDictionary) cBase;
            String type = dic.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE));
            if (type != null && DICTIONARY_KEY_XOBJECT.equals(type)) {
                result.addAll(validateXObject(handler, cObj));
            } else if (type != null && DICTIONARY_KEY_PATTERN.equals(type)) {
                result.addAll(validatePattern(handler, cObj));
            }
        }
    }
    return result;
}

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

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {
    List<ValidationError> result = new ArrayList<ValidationError>(0);
    PDDocument pdfDoc = handler.getDocument();
    COSDocument cDoc = pdfDoc.getDocument();

    List<?> lCOSObj = cDoc.getObjects();
    for (Object o : lCOSObj) {
        COSObject cObj = (COSObject) o;//w  ww .j a  va 2 s  . co  m

        // If this object represents a Stream, the Dictionary must contain the
        // Length key
        COSBase cBase = cObj.getObject();
        if (cBase instanceof COSStream) {
            // it is a stream
            result.addAll(validateStreamObject(handler, cObj));
        }
    }
    return result;
}

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

License:Apache License

/**
 * According to the PDF Reference, A linearized PDF contain a dictionary as
 * first object (linearized dictionary) and only this one in the first
 * section.//from  w ww .  j av  a 2 s  .c  o m
 * 
 * @param document
 * @return
 */
protected COSDictionary isLinearizedPdf(PDDocument document) {
    // ---- Get Ref to obj
    COSDocument cDoc = document.getDocument();
    List<?> lObj = cDoc.getObjects();
    for (Object object : lObj) {
        COSBase curObj = ((COSObject) object).getObject();
        if (curObj instanceof COSDictionary
                && ((COSDictionary) curObj).keySet().contains(COSName.getPDFName(DICTIONARY_KEY_LINEARIZED))) {
            return (COSDictionary) curObj;
        }
    }
    return null;
}

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From source file:org.apache.padaf.preflight.helpers.XRefValidationHelper.java

License:Apache License

@Override
public List<ValidationError> innerValidate(DocumentHandler handler) throws ValidationException {
    List<ValidationError> errors = new ArrayList<ValidationError>();
    COSDocument document = handler.getDocument().getDocument();
    if (document.getObjects().size() > ValidationConstants.MAX_INDIRECT_OBJ) {
        errors.add(new ValidationError(ERROR_SYNTAX_INDIRECT_OBJ_RANGE, "Too many indirect objects"));
    }/*from w ww . j  av a  2 s. c  om*/
    return errors;
}

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From source file:org.crossref.pdfmark.Main.java

License:Open Source License

/**
 * According to the PDF Reference Manual (appendix F) a linearized PDF
 * must have as its first object after the PDF header an indirect
 * dictionary containing only direct objects. Among these objects one
 * must be assigned the key "Linearized", representing the linearized PDF
 * version number./*from w  w w . j  av a 2  s . c  o  m*/
 * 
 * @return true if the PDF read by reader is a linearized PDF.
 */
public static boolean isLinearizedPdf(FileInputStream in) throws IOException {
    boolean isLinear = false;

    PDFParser parser = new PDFParser(in);
    parser.parse();
    COSDocument doc = parser.getDocument();

    for (Object o : doc.getObjects()) {
        COSObject obj = (COSObject) o;
        if (obj.getObject() instanceof COSDictionary) {
            COSDictionary dict = (COSDictionary) obj.getObject();
            for (Object key : dict.keyList()) {
                COSName name = (COSName) key;
                if ("Linearized".equals(name.getName())) {
                    isLinear = true;
                    break;
                }
            }

            if (isLinear)
                break;
        }
    }

    doc.close();

    return isLinear;
}

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