Examples of org.apache.pdfbox.cos.COSBase

org.apache.pdfbox.cos.COSBase
The base object that all objects in the PDF document will extend. @author Ben Litchfield

     * @param filters
     *            The filters that are part of this stream.
     */
    public void setFileFilters(List<String> filters)
    {
        COSBase obj = COSArrayList.convertStringListToCOSNameCOSArray(filters);
        stream.setItem(COSName.F_FILTER, obj);
    }

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     */
    public List<Object> getFileDecodeParams() throws IOException
    {
        List<Object> retval = null;


        COSBase dp = stream.getDictionaryObject(COSName.F_DECODE_PARMS);
        if (dp instanceof COSDictionary)
        {
            Map<?, ?> map = COSDictionaryMap
                    .convertBasicTypesToMap((COSDictionary) dp);
            retval = new COSArrayList<Object>(map, dp, stream,

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     *             or null
     */
    public PDMetadata getMetadata()
    {
        PDMetadata retval = null;
        COSBase mdStream = stream.getDictionaryObject(COSName.METADATA);
        if (mdStream != null)
        {
            if (mdStream instanceof COSStream)
            {
                retval = new PDMetadata((COSStream) mdStream);
            } 
            else if (mdStream instanceof COSNull)
            {
                // null is authorized
            } 
            else
            {
                throw new IllegalStateException(
                        "Expected a COSStream but was a "
                                + mdStream.getClass().getSimpleName());
            }
        }
        return retval;
    }

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     * @param page the page to check.
     * @throws ValidationException
     */
    protected void validateGraphicObjects(PreflightContext context, PDPage page) throws ValidationException
    {
        COSBase thumbBase = page.getCOSObject().getItem(PAGE_DICTIONARY_VALUE_THUMB);
        if (thumbBase != null)
        {
            try
            {
                if (thumbBase instanceof COSObject)

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     * @param page the page to check.
     * @throws ValidationException
     */
    protected void validateGroupTransparency(PreflightContext context, PDPage page) throws ValidationException
    {
        COSBase baseGroup = page.getCOSObject().getItem(XOBJECT_DICTIONARY_KEY_GROUP);
        COSDictionary groupDictionary = COSUtils.getAsDictionary(baseGroup, context.getDocument().getDocument());
        if (groupDictionary != null)
        {
            String sVal = groupDictionary.getNameAsString(COSName.S);
            if (XOBJECT_DICTIONARY_VALUE_S_TRANSPARENCY.equals(sVal))

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     * The CMap entry must be a dictionary in a PDF/A. This entry can be a String only if the String value is Identity-H
     * or Identity-V
     */
    protected void checkEncoding()
    {
        COSBase encoding = ((COSDictionary) font.getCOSObject()).getItem(COSName.ENCODING);
        checkCMapEncoding(encoding);
    }

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     * @param aCMap
     */
    private void processCMapAsStream(COSStream aCMap)
    {


        COSBase sysinfo = aCMap.getItem(COSName.CIDSYSTEMINFO);
        checkCIDSystemInfo(sysinfo);


        try
        {
            // extract information from the CMap stream

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        boolean result = true;
        COSDictionary cidSysInfo = COSUtils.getAsDictionary(sysinfo, cosDocument);


        if (cidSysInfo != null)
        {
            COSBase reg = cidSysInfo.getItem(COSName.REGISTRY);
            COSBase ord = cidSysInfo.getItem(COSName.ORDERING);
            COSBase sup = cidSysInfo.getItem(COSName.SUPPLEMENT);


            if (!(COSUtils.isString(reg, cosDocument) && COSUtils.isString(ord, cosDocument) && COSUtils.isInteger(sup,
                    cosDocument)))
            {
                this.fontContainer.push(new ValidationError(ERROR_FONTS_CIDKEYED_SYSINFO));

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    protected void checkCIDSet(PDFontDescriptor pfDescriptor)
    {
        if (FontValidator.isSubSet(pfDescriptor.getFontName()))
        {
            COSDocument cosDocument = context.getDocument().getDocument();
            COSBase cidset = pfDescriptor.getCOSObject().getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CIDSET));
            if (cidset == null || !COSUtils.isStream(cidset, cosDocument))
            {
                this.fContainer.push(new ValidationResult.ValidationError(ERROR_FONTS_CIDSET_MISSING_FOR_SUBSET,
                        "The CIDSet entry is missing for the Composite Subset"));
            }

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    protected void checkCIDSet(PDFontDescriptor pfDescriptor)
    {
        if (FontValidator.isSubSet(pfDescriptor.getFontName()))
        {
            COSDocument cosDocument = context.getDocument().getDocument();
            COSBase cidset = pfDescriptor.getCOSObject().getItem(COSName.getPDFName(FONT_DICTIONARY_KEY_CIDSET));
            if (cidset == null || !COSUtils.isStream(cidset, cosDocument))
            {
                this.fContainer.push(new ValidationResult.ValidationError(ERROR_FONTS_CIDSET_MISSING_FOR_SUBSET,
                        "The CIDSet entry is missing for the Composite Subset"));
            }

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