Example usage for org.apache.pdfbox.cos COSStream getInt

Introduction

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

Prototype

public int getInt(String key) 

Source Link

Document

This is a convenience method that will get the dictionary object that is expected to be an int.

Usage

From source file:net.padaf.preflight.font.CompositeFontValidator.java

License:Apache License

/**
 * Standard information of a stream element will be checked by the
 * StreamHelper./*w ww .j  a va 2 s .  c o m*/
 * 
 * This method checks mandatory fields of the CMap stream. This method checks
 * too if the CMap stream is damaged using the CMapParser of the fontbox api.
 * 
 * @param aCMap
 * @return
 */
private boolean processCMapAsStream(COSStream aCMap) {
    COSDocument cDoc = handler.getDocument().getDocument();

    String type = aCMap.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE));
    String cmapName = aCMap.getNameAsString(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_NAME));
    COSBase sysinfo = aCMap.getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CID_SYSINFO));
    int wmode = aCMap.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_WMODE));
    COSBase cmapUsed = aCMap.getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_USECMAP));

    if (!FONT_DICTIONARY_VALUE_TYPE_CMAP.equals(type)) {
        // ---- CMap type is invalid
        this.fontContainer.addError(
                new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING, "The CMap type is invalid"));
        return false;
    }

    // ---- check the content of the CIDSystemInfo
    if (!checkCIDSystemInfo(sysinfo, cDoc)) {
        return false;
    }

    if (cmapName == null || "".equals(cmapName) || wmode > 1) {
        this.fontContainer.addError(new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING,
                "Some elements in the CMap dictionary are missing or invalid"));
        return false;
    }

    try {

        CMap fontboxCMap = new CMapParser().parse(null, aCMap.getUnfilteredStream());
        int wmValue = fontboxCMap.getWMode();
        String cmnValue = fontboxCMap.getName(); //getCmapEntry("CMapName");

        if (wmValue != wmode) {

            this.fontContainer.addError(
                    new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING, "WMode is inconsistent"));
            return false;
        }

        if (!cmnValue.equals(cmapName)) {

            this.fontContainer.addError(new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING,
                    "CMapName is inconsistent"));
            return false;
        }

    } catch (IOException e) {
        this.fontContainer
                .addError(new ValidationError(ERROR_FONTS_CID_CMAP_DAMAGED, "The CMap type is damaged"));
        return false;
    }

    if (cmapUsed != null) {
        return checkCMap(cmapUsed);
    }

    return true;
}

---

From source file:net.padaf.preflight.font.CompositeFontValidator.java

License:Apache License

/**
 * This method return false and updates the FontContainer if the Composite
 * Font TYPE 2 is damaged or missing.//from w w w.jav  a  2  s .com
 * 
 * @param pfDescriptor
 * @return
 */
boolean checkFontFileElement_CIDFontType2(PDFontDescriptorDictionary pfDescriptor) throws ValidationException {

    // ---- FontFile Validation
    PDStream ff1 = pfDescriptor.getFontFile();
    PDStream ff2 = pfDescriptor.getFontFile2();
    PDStream ff3 = pfDescriptor.getFontFile3();

    boolean onlyOne = (ff1 != null && ff2 == null && ff3 == null) || (ff1 == null && ff2 != null && ff3 == null)
            || (ff1 == null && ff2 == null && ff3 != null);

    if ((ff2 == null) || !onlyOne) {
        this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_FONT_FILEX_INVALID,
                "The FontFile is invalid"));
        return false;
    }

    // ---- Stream validation should be done by the StreamValidateHelper.
    // ---- Process font specific check
    COSStream stream = ff2.getStream();
    if (stream == null) {
        this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_FONT_FILEX_INVALID,
                "The FontFile is missing"));
        this.fontContainer.setFontProgramEmbedded(false);
        return false;
    }

    boolean hasLength1 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1)) > 0;
    if (!hasLength1) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is invalid"));
        return false;
    }

    // ---- try to load the font using the java.awt.font object.
    // ---- if the font is invalid, an exception will be thrown
    TrueTypeFont ttf = null;
    try {
        // ---- According to PDF Reference, CIDFontType2 is a TrueType font.
        // ---- Remark : Java.awt.Font throws exception when a CIDFontType2 is
        // parsed even if it is valid.
        ttf = new CIDFontType2Parser(true).parseTTF(new ByteArrayInputStream(ff2.getByteArray()));
    } catch (Exception e) {
        // ---- Exceptionally, Exception is catched Here because of damaged font
        // can throw NullPointer Exception...
        this.fontContainer.addError(
                new ValidationResult.ValidationError(ERROR_FONTS_CID_DAMAGED, "The FontFile can't be read"));
        return false;
    }

    return checkTTFontMetrics(ttf) && checkFontFileMetaData(pfDescriptor, ff2);
}

---

From source file:net.padaf.preflight.font.TrueTypeFontValidator.java

License:Apache License

/**
 * This methods validates the Font Stream. If the font is damaged or missing
 * the FontContainer is updated and false is returned. Moreover, this method
 * checks the Encoding property of the FontDescriptor dictionary.
 * // w ww . ja v a2 s.co m
 * @return
 */
protected boolean checkFontFileElement() throws ValidationException {
    PDStream ff1 = pFontDesc.getFontFile();
    PDStream ff2 = pFontDesc.getFontFile2();
    PDStream ff3 = pFontDesc.getFontFile3();
    boolean onlyOne = (ff1 != null && ff2 == null && ff3 == null) || (ff1 == null && ff2 != null && ff3 == null)
            || (ff1 == null && ff2 == null && ff3 != null);

    if (ff2 == null || !onlyOne) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile2 is invalid"));
        return false;
    }

    // ---- Stream validation should be done by the StreamValidateHelper.
    // ---- Process font specific check
    COSStream stream = ff2.getStream();
    if (stream == null) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is missing"));
        this.fontContainer.setFontProgramEmbedded(false);
        return false;
    }

    boolean hasLength1 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1)) > 0;
    if (!hasLength1) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is invalid"));
        return false;
    }

    // ---- check the encoding part.
    if (pFontDesc.isNonSymbolic()) {
        // ---- only MacRomanEncoding or WinAnsiEncoding are allowed for a non
        // symbolic font
        Encoding encodingValue = this.pFont.getFontEncoding();
        if (encodingValue == null
                || !(encodingValue instanceof MacRomanEncoding || encodingValue instanceof WinAnsiEncoding)) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding is invalid for the NonSymbolic TTF"));
            return false;
        }
    } else if (pFontDesc.isSymbolic()) {
        // ---- For symbolic font, no encoding entry is allowed and only one
        // encoding entry is expected into the FontFile CMap
        if (((COSDictionary) this.fDictionary.getCOSObject())
                .getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_ENCODING)) != null) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding should be missing for the Symbolic TTF"));
            return false;
        } // else check the content of the Font CMap (see below)

    } else {
        // ----- should never happen
        return true;
    }

    /*
     * ---- try to load the font using the TTFParser object. If the font is
     * invalid, an exception will be thrown. Because of it is a Embedded Font
     * Program, some tables are required and other are optional see PDF
     * Reference (5.8)
     */
    ByteArrayInputStream bis = null;
    try {
        bis = new ByteArrayInputStream(ff2.getByteArray());
        TrueTypeFont ttf = new TTFParser(true).parseTTF(bis);
        if (pFontDesc.isSymbolic() && ttf.getCMAP().getCmaps().length != 1) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding should be missing for the Symbolic TTF"));
            return false;
        }

        return checkFontMetrics(ttf) && checkFontFileMetaData(pFontDesc, ff2);
    } catch (IOException e) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_TRUETYPE_DAMAGED, "The FontFile can't be read"));
        return false;
    } finally {
        if (bis != null) {
            IOUtils.closeQuietly(bis);
        }
    }
}

---

From source file:net.padaf.preflight.font.Type1FontValidator.java

License:Apache License

/**
 * This methods validates the Font Stream, if the font program is damaged or
 * missing the FontContainer is updated and false is returned.
 * //from   w  w w.j ava  2s  .co  m
 * @throws ValidationException
 */
protected boolean checkFontFileElement() throws ValidationException {
    // ---- if the this font is a Subset, the CharSet entry must be present in
    // the FontDescriptor
    if (isSubSet(pFontDesc.getFontName())) {
        String charsetStr = pFontDesc.getCharSet();
        if (charsetStr == null || "".equals(charsetStr)) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ERROR_FONTS_CHARSET_MISSING_FOR_SUBSET,
                            "The Charset entry is missing for the Type1 Subset"));
            return false;
        }
    }

    // ---- FontFile Validation
    PDStream ff1 = pFontDesc.getFontFile();
    PDStream ff2 = pFontDesc.getFontFile2();
    PDStream ff3 = pFontDesc.getFontFile3();
    boolean onlyOne = (ff1 != null && ff2 == null && ff3 == null) || (ff1 == null && ff2 != null && ff3 == null)
            || (ff1 == null && ff2 == null && ff3 != null);

    if ((ff1 == null && (ff3 == null
            || !"Type1C".equals(((COSDictionary) ff3.getCOSObject()).getNameAsString(COSName.SUBTYPE))))
            || !onlyOne) {
        this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_FONT_FILEX_INVALID,
                "The FontFile is invalid"));
        return false;
    }

    if (ff1 != null) {
        COSStream stream = ff1.getStream();
        if (stream == null) {
            this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_FONT_FILEX_INVALID,
                    "The FontFile is missing"));
            this.fontContainer.setFontProgramEmbedded(false);
            return false;
        }

        boolean hasLength1 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1)) > 0;
        boolean hasLength2 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH2)) > 0;
        boolean hasLength3 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH3)) > 0;
        if (!(hasLength1 && hasLength2 && hasLength3)) {
            this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_FONT_FILEX_INVALID,
                    "The FontFile is invalid"));
            return false;
        }

        // ---- Stream validation should be done by the StreamValidateHelper.
        // ---- Process font specific check
        // ---- try to load the font using the java.awt.font object.
        // ---- if the font is invalid, an exception will be thrown
        ByteArrayInputStream bis = null;
        try {
            bis = new ByteArrayInputStream(ff1.getByteArray());
            Font.createFont(Font.TYPE1_FONT, bis);
            return checkFontMetricsDataAndFeedFontContainer(ff1) && checkFontFileMetaData(pFontDesc, ff1);
        } catch (IOException e) {
            this.fontContainer.addError(new ValidationResult.ValidationError(ERROR_FONTS_TYPE1_DAMAGED,
                    "The FontFile can't be read"));
            return false;
        } catch (FontFormatException e) {
            this.fontContainer.addError(
                    new ValidationResult.ValidationError(ERROR_FONTS_TYPE1_DAMAGED, "The FontFile is damaged"));
            return false;
        } finally {
            if (bis != null) {
                IOUtils.closeQuietly(bis);
            }
        }
    } else {
        return checkCIDFontWidths(ff3) && checkFontFileMetaData(pFontDesc, ff3);
    }
}

---

From source file:net.padaf.preflight.font.Type1FontValidator.java

License:Apache License

/**
 * This method checks the metric consistency and adds the FontContainer in the
 * DocumentHandler.//from   ww  w.  ja  v  a 2  s .  co  m
 * 
 * @param fontStream
 * @return
 * @throws ValidationException
 */
protected boolean checkFontMetricsDataAndFeedFontContainer(PDStream fontStream) throws ValidationException {
    try {

        // ---- Parse the Type1 Font program
        ByteArrayInputStream bis = new ByteArrayInputStream(fontStream.getByteArray());
        COSStream streamObj = fontStream.getStream();
        int length1 = streamObj.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1));
        int length2 = streamObj.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH2));

        Type1Parser parserForMetrics = Type1Parser.createParserWithEncodingObject(bis, length1, length2,
                pFont.getFontEncoding());
        Type1 parsedData = parserForMetrics.parse();

        ((Type1FontContainer) this.fontContainer).setFontObject(parsedData);

        List<?> pdfWidths = this.pFont.getWidths();
        int firstChar = pFont.getFirstChar();
        float defaultGlyphWidth = pFontDesc.getMissingWidth();

        COSArray widths = null;
        if (pdfWidths instanceof COSArrayList) {
            widths = ((COSArrayList) pdfWidths).toList();
        } else {
            widths = ((COSArray) pdfWidths);
        }

        ((Type1FontContainer) this.fontContainer).setWidthsArray(widths.toList());
        ((Type1FontContainer) this.fontContainer).setFirstCharInWidthsArray(firstChar);
        ((Type1FontContainer) this.fontContainer).setDefaultGlyphWidth(defaultGlyphWidth);

        return true;
    } catch (IOException e) {
        throw new ValidationException("Unable to check Type1 metrics due to : " + e.getMessage(), e);
    }
}

---

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

License:Apache License

protected void checkStreamLength(DocumentHandler handler, COSObject cObj, List<ValidationError> result)
        throws ValidationException {
    COSStream streamObj = (COSStream) cObj.getObject();
    int length = streamObj.getInt(COSName.getPDFName(STREAM_DICTIONARY_KEY_LENGHT));
    InputStream ra = null;/*w  ww.  j  av  a 2 s .  co  m*/
    try {
        ra = handler.getSource().getInputStream();
        Integer offset = (Integer) handler.getDocument().getDocument().getXrefTable()
                .get(new COSObjectKey(cObj));

        // ---- go to the beginning of the object
        long skipped = 0;
        while (skipped != offset) {
            long curSkip = ra.skip(offset - skipped);
            if (curSkip < 0) {
                throw new ValidationException("Unable to skip bytes in the PDFFile to check stream length");
            }
            skipped += curSkip;
        }

        // ---- go to the stream key word
        if (readUntilStream(ra)) {
            int c = ra.read();
            if (c == '\r') {
                ra.read();
            } // else c is '\n' no more character to read

            // ---- Here is the true beginning of the Stream Content.
            // ---- Read the given length of bytes and check the 10 next bytes
            // ---- to see if there are endstream.
            byte[] buffer = new byte[1024];
            int nbBytesToRead = length;

            do {
                int cr = 0;
                if (nbBytesToRead > 1024) {
                    cr = ra.read(buffer, 0, 1024);
                } else {
                    cr = ra.read(buffer, 0, nbBytesToRead);
                }
                if (cr == -1) {
                    result.add(new ValidationResult.ValidationError(
                            ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                            "Stream length is invalide"));
                    return;
                } else {
                    nbBytesToRead = nbBytesToRead - cr;
                }
            } while (nbBytesToRead > 0);

            int len = "endstream".length() + 2;
            byte[] buffer2 = new byte[len];
            for (int i = 0; i < len; ++i) {
                buffer2[i] = (byte) ra.read();
            }

            // ---- check the content of 10 last characters
            String endStream = new String(buffer2);
            if (buffer2[0] == '\r' && buffer2[1] == '\n') {
                if (!endStream.contains("endstream")) {
                    result.add(new ValidationResult.ValidationError(
                            ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                            "Stream length is invalide"));
                }
            } else if (buffer2[0] == '\r' && buffer2[1] == 'e') {
                if (!endStream.contains("endstream")) {
                    result.add(new ValidationResult.ValidationError(
                            ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                            "Stream length is invalide"));
                }
            } else if (buffer2[0] == '\n' && buffer2[1] == 'e') {
                if (!endStream.contains("endstream")) {
                    result.add(new ValidationResult.ValidationError(
                            ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                            "Stream length is invalide"));
                }
            } else {
                result.add(new ValidationResult.ValidationError(
                        ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID, "Stream length is invalide"));
            }

        } else {
            result.add(new ValidationResult.ValidationError(
                    ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID, "Stream length is invalide"));
        }
    } catch (IOException e) {
        throw new ValidationException("Unable to read a stream to validate it due to : " + e.getMessage(), e);
    } finally {
        if (ra != null) {
            IOUtils.closeQuietly(ra);
        }
    }
}

---

From source file:org.apache.padaf.preflight.font.CompositeFontValidator.java

License:Apache License

/**
 * Standard information of a stream element will be checked by the
 * StreamHelper./*from  ww w.  ja v  a2s .  co  m*/
 * 
 * This method checks mandatory fields of the CMap stream. This method checks
 * too if the CMap stream is damaged using the CMapParser of the fontbox api.
 * 
 * @param aCMap
 * @return
 */
private boolean processCMapAsStream(COSStream aCMap) {
    COSDocument cDoc = handler.getDocument().getDocument();

    String type = aCMap.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE));
    String cmapName = aCMap.getNameAsString(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_NAME));
    COSBase sysinfo = aCMap.getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CID_SYSINFO));
    int wmode = aCMap.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_WMODE));
    if (wmode == -1) {
        /*
         * According to the getInt javadoc, -1 is returned if there are no result.
         * In the PDF Reference v1.7 p449, we can read that Default value is 0.
         */
        wmode = FONT_DICTIONARY_DEFAULT_CMAP_WMODE;
    }
    COSBase cmapUsed = aCMap.getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CMAP_USECMAP));

    if (!FONT_DICTIONARY_VALUE_TYPE_CMAP.equals(type)) {
        // ---- CMap type is invalid
        this.fontContainer.addError(
                new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING, "The CMap type is invalid"));
        return false;
    }

    // ---- check the content of the CIDSystemInfo
    if (!checkCIDSystemInfo(sysinfo, cDoc)) {
        return false;
    }

    if (cmapName == null || "".equals(cmapName) || wmode > 1) {
        this.fontContainer.addError(new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING,
                "Some elements in the CMap dictionary are missing or invalid"));
        return false;
    }

    try {

        CMap fontboxCMap = new CMapParser().parse(null, aCMap.getUnfilteredStream());
        int wmValue = fontboxCMap.getWMode();
        String cmnValue = fontboxCMap.getName();

        if (wmValue != wmode) {

            this.fontContainer.addError(
                    new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING, "WMode is inconsistent"));
            return false;
        }

        if (!cmnValue.equals(cmapName)) {

            this.fontContainer.addError(new ValidationError(ERROR_FONTS_CIDKEYED_CMAP_INVALID_OR_MISSING,
                    "CMapName is inconsistent"));
            return false;
        }

    } catch (IOException e) {
        this.fontContainer
                .addError(new ValidationError(ERROR_FONTS_CID_CMAP_DAMAGED, "The CMap type is damaged"));
        return false;
    }

    if (cmapUsed != null) {
        return checkCMap(cmapUsed);
    }

    return true;
}

---

From source file:org.apache.padaf.preflight.font.TrueTypeFontValidator.java

License:Apache License

/**
 * This methods validates the Font Stream. If the font is damaged or missing
 * the FontContainer is updated and false is returned. Moreover, this method
 * checks the Encoding property of the FontDescriptor dictionary.
 * /* w  ww  .j  a  v a 2  s  .  co m*/
 * @return
 */
protected boolean checkFontFileElement() throws ValidationException {
    PDStream ff1 = pFontDesc.getFontFile();
    PDStream ff2 = pFontDesc.getFontFile2();
    PDStream ff3 = pFontDesc.getFontFile3();
    boolean onlyOne = (ff1 != null && ff2 == null && ff3 == null) || (ff1 == null && ff2 != null && ff3 == null)
            || (ff1 == null && ff2 == null && ff3 != null);

    if (ff2 == null || !onlyOne) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile2 is invalid"));
        return false;
    }

    // ---- Stream validation should be done by the StreamValidateHelper.
    // ---- Process font specific check
    COSStream stream = ff2.getStream();
    if (stream == null) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is missing"));
        this.fontContainer.setFontProgramEmbedded(false);
        return false;
    }

    boolean hasLength1 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1)) > 0;
    if (!hasLength1) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is invalid"));
        return false;
    }

    // ---- check the encoding part.
    if (pFontDesc.isNonSymbolic()) {
        // ---- only MacRomanEncoding or WinAnsiEncoding are allowed for a non
        // symbolic font
        Encoding encodingValue = this.pFont.getFontEncoding();
        if (encodingValue == null
                || !(encodingValue instanceof MacRomanEncoding || encodingValue instanceof WinAnsiEncoding)) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding is invalid for the NonSymbolic TTF"));
            return false;
        }
    } else if (pFontDesc.isSymbolic()) {
        // ---- For symbolic font, no encoding entry is allowed and only one
        // encoding entry is expected into the FontFile CMap
        if (((COSDictionary) this.fDictionary.getCOSObject())
                .getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_ENCODING)) != null) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding should be missing for the Symbolic TTF"));
            return false;
        } // else check the content of the Font CMap (see below)

    } else {
        // ----- should never happen
        return true;
    }

    /*
     * ---- try to load the font using the TTFParser object. If the font is
     * invalid, an exception will be thrown. Because of it is a Embedded Font
     * Program, some tables are required and other are optional see PDF
     * Reference (5.8)
     */
    ByteArrayInputStream bis = null;
    try {
        bis = new ByteArrayInputStream(ff2.getByteArray());
        TrueTypeFont ttf = new TTFParser(true).parseTTF(bis);
        if (pFontDesc.isSymbolic() && ttf.getCMAP().getCmaps().length != 1) {
            this.fontContainer
                    .addError(new ValidationResult.ValidationError(ValidationConstants.ERROR_FONTS_ENCODING,
                            "The Encoding should be missing for the Symbolic TTF"));
            return false;
        }

        ((TrueTypeFontContainer) this.fontContainer).setFontObjectAndInitializeInnerFields(ttf);
        ((TrueTypeFontContainer) this.fontContainer).setCMap(getCMapOfFontProgram(ttf));

        return checkFontFileMetaData(pFontDesc, ff2);
    } catch (IOException e) {
        this.fontContainer.addError(new ValidationResult.ValidationError(
                ValidationConstants.ERROR_FONTS_TRUETYPE_DAMAGED, "The FontFile can't be read"));
        return false;
    } finally {
        if (bis != null) {
            IOUtils.closeQuietly(bis);
        }
    }
}

---

From source file:org.apache.padaf.preflight.font.Type1FontValidator.java

License:Apache License

/**
 * This method checks the metric consistency and adds the FontContainer in the
 * DocumentHandler./*from  w w  w  .  j av  a  2 s.  c  om*/
 * 
 * @param fontStream
 * @return
 * @throws ValidationException
 */
protected boolean checkFontMetricsDataAndFeedFontContainer(PDStream fontStream) throws ValidationException {
    try {

        // ---- Parse the Type1 Font program
        ByteArrayInputStream bis = new ByteArrayInputStream(fontStream.getByteArray());
        COSStream streamObj = fontStream.getStream();
        int length1 = streamObj.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH1));
        int length2 = streamObj.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH2));

        Type1Parser parserForMetrics = Type1Parser.createParserWithEncodingObject(bis, length1, length2,
                pFont.getFontEncoding());
        Type1 parsedData = parserForMetrics.parse();

        ((Type1FontContainer) this.fontContainer).setFontObject(parsedData);

        return true;
    } catch (IOException e) {
        throw new ValidationException("Unable to check Type1 metrics due to : " + e.getMessage(), e);
    }
}

---

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

License:Apache License

protected void checkStreamLength(DocumentHandler handler, COSObject cObj, List<ValidationError> result)
        throws ValidationException {
    COSStream streamObj = (COSStream) cObj.getObject();
    int length = streamObj.getInt(COSName.getPDFName(STREAM_DICTIONARY_KEY_LENGHT));
    InputStream ra = null;/*from  w ww  .ja  v  a  2  s .  co m*/
    try {
        ra = handler.getSource().getInputStream();
        Long offset = handler.getDocument().getDocument().getXrefTable().get(new COSObjectKey(cObj));

        // ---- go to the beginning of the object
        long skipped = 0;
        if (offset != null) {
            while (skipped != offset) {
                long curSkip = ra.skip(offset - skipped);
                if (curSkip < 0) {
                    throw new ValidationException("Unable to skip bytes in the PDFFile to check stream length");
                }
                skipped += curSkip;
            }

            // ---- go to the stream key word
            if (readUntilStream(ra)) {
                int c = ra.read();
                if (c == '\r') {
                    ra.read();
                } // else c is '\n' no more character to read

                // ---- Here is the true beginning of the Stream Content.
                // ---- Read the given length of bytes and check the 10 next bytes
                // ---- to see if there are endstream.
                byte[] buffer = new byte[1024];
                int nbBytesToRead = length;

                do {
                    int cr = 0;
                    if (nbBytesToRead > 1024) {
                        cr = ra.read(buffer, 0, 1024);
                    } else {
                        cr = ra.read(buffer, 0, nbBytesToRead);
                    }
                    if (cr == -1) {
                        result.add(new ValidationResult.ValidationError(
                                ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                                "Stream length is invalide"));
                        return;
                    } else {
                        nbBytesToRead = nbBytesToRead - cr;
                    }
                } while (nbBytesToRead > 0);

                int len = "endstream".length() + 2;
                byte[] buffer2 = new byte[len];
                for (int i = 0; i < len; ++i) {
                    buffer2[i] = (byte) ra.read();
                }

                // ---- check the content of 10 last characters
                String endStream = new String(buffer2);
                if (buffer2[0] == '\r' && buffer2[1] == '\n') {
                    if (!endStream.contains("endstream")) {
                        result.add(new ValidationResult.ValidationError(
                                ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                                "Stream length is invalide"));
                    }
                } else if (buffer2[0] == '\r' && buffer2[1] == 'e') {
                    if (!endStream.contains("endstream")) {
                        result.add(new ValidationResult.ValidationError(
                                ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                                "Stream length is invalide"));
                    }
                } else if (buffer2[0] == '\n' && buffer2[1] == 'e') {
                    if (!endStream.contains("endstream")) {
                        result.add(new ValidationResult.ValidationError(
                                ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                                "Stream length is invalide"));
                    }
                } else {
                    result.add(new ValidationResult.ValidationError(
                            ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID,
                            "Stream length is invalide"));
                }

            } else {
                result.add(new ValidationResult.ValidationError(
                        ValidationConstants.ERROR_SYNTAX_STREAM_LENGTH_INVALID, "Stream length is invalide"));
            }
        } else {
            /*
             * 
             * Offset is null. The stream isn't used, check is useless.
             * 
             * TODO : Is it the truth? 
             */
        }
    } catch (IOException e) {
        throw new ValidationException("Unable to read a stream to validate it due to : " + e.getMessage(), e);
    } finally {
        if (ra != null) {
            IOUtils.closeQuietly(ra);
        }
    }
}

---