Example usage for com.lowagie.text.pdf PdfReader removeUnusedObjects

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfReader removeUnusedObjects.

Prototype

public int removeUnusedObjects() 

Source Link

Document

Removes all the unreachable objects.

Usage

From source file:org.sejda.impl.itext.component.input.AbstractPdfSourceOpener.java

License:Apache License

public PdfReader open(PdfURLSource source) throws TaskIOException {
    PdfReader reader;
    try {// w w  w  .ja  va2s .  c o  m
        reader = makeUnethicalIfRequired(openSource(source));
    } catch (BadPasswordException bpe) {
        throw new TaskWrongPasswordException("Unable to open the document due to a wrong password.", bpe);
    } catch (IOException e) {
        throw new TaskIOException("An error occurred opening the reader.", e);
    }
    reader.removeUnusedObjects();
    reader.consolidateNamedDestinations();
    return reader;
}

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From source file:org.sejda.impl.itext.component.input.AbstractPdfSourceOpener.java

License:Apache License

public PdfReader open(PdfFileSource source) throws TaskIOException {
    PdfReader reader;
    try {//from   w w w.  j  a  v  a 2 s . c  o m
        reader = makeUnethicalIfRequired(openSource(source));
    } catch (BadPasswordException bpe) {
        throw new TaskWrongPasswordException("Unable to open the document due to a wrong password.", bpe);
    } catch (IOException e) {
        throw new TaskIOException("An error occurred opening the reader.", e);
    }
    reader.removeUnusedObjects();
    reader.consolidateNamedDestinations();
    return reader;
}

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From source file:org.sejda.impl.itext.component.input.AbstractPdfSourceOpener.java

License:Apache License

public PdfReader open(PdfStreamSource source) throws TaskIOException {
    PdfReader reader;
    try {/*from  w  w  w  .j a  v a  2 s .c o  m*/
        reader = makeUnethicalIfRequired(openSource(source));
    } catch (BadPasswordException bpe) {
        throw new TaskWrongPasswordException("Unable to open the document due to a wrong password.", bpe);
    } catch (IOException e) {
        throw new TaskIOException("An error occurred opening the reader.", e);
    }
    reader.removeUnusedObjects();
    reader.consolidateNamedDestinations();
    return reader;
}

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From source file:questions.javascript.RemoveJavaScript.java

public static void main(String[] args) throws DocumentException, IOException {
    // creating the form with JS
    AddJavaScriptToForm.main(args);//from w  w  w  . j  a v  a2  s  .c om
    // removing the document level JS
    PdfReader reader = new PdfReader(AddJavaScriptToForm.RESULT);
    PdfDictionary root = reader.getCatalog();
    PdfDictionary names = root.getAsDict(PdfName.NAMES);
    names.remove(PdfName.JAVASCRIPT);
    if (names.size() == 0) {
        root.remove(PdfName.NAMES);
    }
    reader.removeUnusedObjects();
    // filling out and flattening the form
    // (if you don't flatten, you'll get JS errors!)
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
    AcroFields form = stamper.getAcroFields();
    form.setField("married", "no");
    stamper.setFormFlattening(true);
    stamper.close();
}

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From source file:questions.stamppages.RemoveAttachmentAnnotations.java

public static void main(String[] args) throws IOException, DocumentException {
    createPdfWithAttachments();//from  ww  w . j  a  v a 2  s  .  c  om
    PdfReader reader = new PdfReader(RESOURCE);
    PdfDictionary page;
    PdfDictionary annotation;
    for (int i = 1; i <= reader.getNumberOfPages(); i++) {
        page = reader.getPageN(i);
        PdfArray annots = page.getAsArray(PdfName.ANNOTS);
        if (annots != null) {
            for (int j = annots.size() - 1; j >= 0; j--) {
                annotation = annots.getAsDict(j);
                if (PdfName.FILEATTACHMENT.equals(annotation.get(PdfName.SUBTYPE))) {
                    annots.remove(j);
                }
            }
        }
    }
    reader.removeUnusedObjects();
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
    stamper.close();
}

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