Example usage for com.lowagie.text.pdf PdfObject isDictionary

List of usage examples for com.lowagie.text.pdf PdfObject isDictionary

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Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfObject isDictionary.

Prototype

public boolean isDictionary()

Source Link

Document

Checks if this PdfObject is of the type PdfDictionary.

Usage

From source file:com.cyberway.issue.crawler.extractor.PDFParser.java

License:Open Source License

/**
 * Parse a PdfDictionary, looking for URIs recursively and adding
 * them to foundURIs// w  w w . j  ava 2 s .c  o  m
 * @param entity
 */
protected void extractURIs(PdfObject entity) {

    // deal with dictionaries
    if (entity.isDictionary()) {

        PdfDictionary dictionary = (PdfDictionary) entity;

        @SuppressWarnings("unchecked")
        Set<PdfName> allkeys = dictionary.getKeys();
        for (PdfName key : allkeys) {
            PdfObject value = dictionary.get(key);

            // see if it's the key is a UR[I,L]
            if (key.toString().equals("/URI") || key.toString().equals("/URL")) {
                foundURIs.add(value.toString());

            } else {
                this.extractURIs(value);
            }

        }

        // deal with arrays
    } else if (entity.isArray()) {

        PdfArray array = (PdfArray) entity;
        ArrayList arrayObjects = array.getArrayList();
        Iterator objectList = arrayObjects.iterator();

        while (objectList.hasNext()) {
            this.extractURIs((PdfObject) objectList.next());
        }

        // deal with indirect references
    } else if (entity.getClass() == PRIndirectReference.class) {

        PRIndirectReference indirect = (PRIndirectReference) entity;

        // if we've already seen a reference to this object
        if (haveSeen(indirect.getGeneration(), indirect.getNumber())) {
            return;

            // note that we've seen it if it's new
        } else {
            markAsSeen(indirect.getGeneration(), indirect.getNumber());
        }

        // dereference the "pointer" and process the object
        indirect.getReader(); // FIXME: examine side-effects
        PdfObject direct = PdfReader.getPdfObject(indirect);

        this.extractURIs(direct);
    }
}

From source file:crawler.PDFParser.java

License:Open Source License

/**
 * Parse a PdfDictionary, looking for URIs recursively and adding
 * them to foundURIs/*from  w  ww  .jav a  2 s. c  om*/
 * @param entity
 */
protected void extractURIs(PdfObject entity) {
    // deal with dictionaries
    if (entity.isDictionary()) {
        PdfDictionary dictionary = (PdfDictionary) entity;

        @SuppressWarnings("unchecked")
        Set<PdfName> allkeys = dictionary.getKeys();
        for (PdfName key : allkeys) {
            PdfObject value = dictionary.get(key);

            // see if it's the key is a UR[I,L]
            if (key.toString().equals("/URI") || key.toString().equals("/URL"))
                foundURIs.add(value.toString());
            else
                this.extractURIs(value);
        }

        // deal with arrays
    } else if (entity.isArray()) {
        PdfArray array = (PdfArray) entity;
        ArrayList arrayObjects = array.getArrayList();
        Iterator objectList = arrayObjects.iterator();

        while (objectList.hasNext())
            this.extractURIs((PdfObject) objectList.next());

        // deal with indirect references
    } else if (entity.getClass() == PRIndirectReference.class) {
        PRIndirectReference indirect = (PRIndirectReference) entity;

        // if we've already seen a reference to this object
        if (haveSeen(indirect.getGeneration(), indirect.getNumber()))
            return;

        // note that we've seen it if it's new
        else
            markAsSeen(indirect.getGeneration(), indirect.getNumber());

        // dereference the "pointer" and process the object
        indirect.getReader();
        PdfObject direct = PdfReader.getPdfObject(indirect);

        this.extractURIs(direct);
    }
}

From source file:de.offis.health.icardea.cied.pdf.extractor.PDFiText2Extractor.java

License:LGPL

@SuppressWarnings("unchecked")
public java.util.List getBookmarkTitlesAsText() {
    java.util.List bookmarkContent = null;
    if (pdfReader != null) {
        //bookmarkContent = SimpleBookmark.getBookmark(pdfReader);

        PdfDictionary catalog = pdfReader.getCatalog();
        if (catalog != null) {
            PdfObject rootPdfObject = PdfReader.getPdfObjectRelease(catalog.get(PdfName.OUTLINES));
            if (rootPdfObject != null && rootPdfObject.isDictionary()) {
                PdfDictionary rootOutlinesPdfDictionary = (PdfDictionary) rootPdfObject;
                /*//from w ww.  j av  a 2 s .  c  o m
                 * If it doesn't exist create the List and populate it,
                 * otherwise just return the already existing List.
                 */
                if (bookmarkTextList == null) {
                    bookmarkTextList = new ArrayList<String>();

                    // Populate the List
                    populateBookmarkTextList(rootOutlinesPdfDictionary, "");
                } // end if

            }
        } // end if
    }
    return bookmarkContent;
}

From source file:it.flavianopetrocchi.jpdfbookmarks.itextbookmarksconverter.iTextBookmarksConverter.java

License:Open Source License

private Bookmark getBookmark() {
    PdfDictionary catalog = reader.getCatalog();
    PdfObject obj = PdfReader.getPdfObjectRelease(catalog.get(PdfName.OUTLINES));
    if (obj == null || !obj.isDictionary()) {
        return null;
    }// w  ww  . ja  v a  2  s .c o  m
    PdfDictionary outlines = (PdfDictionary) obj;
    //        pages = new IntHashtable();
    //        int numPages = reader.getNumberOfPages();
    //        for (int k = 1; k <= numPages; ++k) {
    //            pages.put(reader.getPageOrigRef(k).getNumber(), k);
    //            reader.releasePage(k);
    //        }
    initPages();

    Bookmark root = new Bookmark();
    root.setTitle("Root Bookmark");
    bookmarkDepth(root, (PdfDictionary) PdfReader.getPdfObjectRelease(outlines.get(PdfName.FIRST)));
    //        bookmarkDepthIterative(root, outlines);
    return root;
}

From source file:it.flavianopetrocchi.jpdfbookmarks.itextbookmarksconverter.iTextBookmarksConverter.java

License:Open Source License

private void setActionInBookmark(Bookmark bookmark, PdfDictionary action) {
    PdfObject dest;/*w  w w  .  j  a v  a2s  .  c o m*/
    if (PdfName.GOTO.equals(PdfReader.getPdfObjectRelease(action.get(PdfName.S)))) {
        dest = PdfReader.getPdfObjectRelease(action.get(PdfName.D));
        if (dest != null) {
            mapGotoBookmark(bookmark, dest);
        }
    } else if (PdfName.URI.equals(PdfReader.getPdfObjectRelease(action.get(PdfName.S)))) {
        bookmark.setType(BookmarkType.Uri);
        bookmark.setUri(((PdfString) PdfReader.getPdfObjectRelease(action.get(PdfName.URI))).toUnicodeString());
    } else if (PdfName.GOTOR.equals(PdfReader.getPdfObjectRelease(action.get(PdfName.S)))) {
        bookmark.setRemoteDestination(true);
        PdfObject file = PdfReader.getPdfObjectRelease(action.get(PdfName.F));
        if (file != null) {
            if (file.isString()) {
                String path = Ut.onWindowsReplaceBackslashWithSlash(((PdfString) file).toUnicodeString());
                bookmark.setRemoteFilePath(path);
            } else if (file.isDictionary()) {
                file = PdfReader.getPdfObject(((PdfDictionary) file).get(PdfName.F));
                if (file.isString()) {
                    bookmark.setRemoteFilePath(((PdfString) file).toUnicodeString());
                }
            }
        }
        dest = PdfReader.getPdfObjectRelease(action.get(PdfName.D));
        if (dest != null) {
            if (dest.isString()) {
                bookmark.setNamedDestination(dest.toString());
            } else if (dest.isName()) {
                bookmark.setNamedDestination(PdfName.decodeName(dest.toString()));
                bookmark.setNamedAsName(true);
            } else if (dest.isArray()) {
                PdfArray arr = (PdfArray) dest;
                PdfReader remoteReader;
                try {
                    //                        File remoteFile = new File(bookmark.getRemoteFilePath());
                    //                        if (!remoteFile.isAbsolute()) {
                    //                            File openedFile = new File(filePath);
                    //                            String containingFolder = openedFile.getParent();
                    //                            String remotePath = containingFolder + File.separator + bookmark.getRemoteFilePath();
                    //                            remoteFile = new File(remotePath);
                    //                        }
                    File remoteFile = Ut.createAbsolutePath(new File(filePath),
                            new File(bookmark.getRemoteFilePath()));
                    remoteReader = new PdfReader(remoteFile.getCanonicalPath());
                    makeBookmarkParam(remoteReader, bookmark, arr, null);
                    remoteReader.close();
                } catch (IOException ex) {
                    //System.out.println(ex.getMessage());
                } finally {
                }
            }
        }
        PdfObject newWindow = PdfReader.getPdfObjectRelease(action.get(PdfName.NEWWINDOW));
        if (newWindow != null) {
            bookmark.setNewWindow(((PdfBoolean) newWindow).booleanValue());
        }
    } else if (PdfName.LAUNCH.equals(PdfReader.getPdfObjectRelease(action.get(PdfName.S)))) {
        bookmark.setType(BookmarkType.Launch);
        PdfObject file = PdfReader.getPdfObjectRelease(action.get(PdfName.F));
        if (file == null) {
            file = PdfReader.getPdfObjectRelease(action.get(PdfName.WIN));
        }
        if (file != null) {
            if (file.isString()) {
                bookmark.setFileToLaunch(((PdfString) file).toUnicodeString());
            } else if (file.isDictionary()) {
                file = PdfReader.getPdfObjectRelease(((PdfDictionary) file).get(PdfName.F));
                if (file.isString()) {
                    bookmark.setFileToLaunch(((PdfString) file).toUnicodeString());
                }
            }
        }
    } else if (PdfName.HIDE.equals(PdfReader.getPdfObjectRelease(action.get(PdfName.S)))) {
        bookmark.setType(BookmarkType.Hide);
        PdfObject annotation = PdfReader.getPdfObjectRelease(action.get(PdfName.T));
        if (annotation != null) {
            if (annotation.isDictionary()) {
            } else if (annotation.isArray()) {
            } else if (annotation.isString()) {
                bookmark.setFieldNameToHide(((PdfString) annotation).toUnicodeString());
            }
        }
        PdfBoolean hide = (PdfBoolean) PdfReader.getPdfObjectRelease(action.get(PdfName.H));
        if (hide != null) {
            bookmark.setHide(hide.booleanValue());
        }
    } else {
        bookmark.setType(BookmarkType.Unknown);
    }
}

From source file:it.flavianopetrocchi.jpdfbookmarks.itextbookmarksconverter.iTextBookmarksConverter.java

License:Open Source License

private void setActionsRecursive(Bookmark bookmark, PdfDictionary action) {

    setActionInBookmark(bookmark, action);

    PdfObject next = PdfReader.getPdfObjectRelease(action.get(PdfName.NEXT));
    if (next != null) {
        if (next.isArray()) {
            PdfArray actions = (PdfArray) next;
            for (int i = 0; i < actions.size(); i++) {
                Bookmark b = new Bookmark();
                action = actions.getAsDict(i);
                setActionsRecursive(b, action);
                bookmark.addChainedBookmark(b);
            }//w w w  .  jav a 2  s.  c  om
        } else if (next.isDictionary()) {
            Bookmark b = new Bookmark();
            action = (PdfDictionary) next;
            setActionsRecursive(b, action);
            bookmark.addChainedBookmark(b);
        }
    }
}

From source file:org.archive.modules.extractor.PDFParser.java

License:Apache License

/**
 * Parse a PdfDictionary, looking for URIs recursively and adding
 * them to foundURIs/*ww w  .ja v  a2  s  . c  om*/
 * @param entity
 */
@SuppressWarnings("unchecked")
protected void extractURIs(PdfObject entity) {

    // deal with dictionaries
    if (entity.isDictionary()) {

        PdfDictionary dictionary = (PdfDictionary) entity;

        Set<PdfName> allkeys = dictionary.getKeys();
        for (PdfName key : allkeys) {
            PdfObject value = dictionary.get(key);

            // see if it's the key is a UR[I,L]
            if (key.toString().equals("/URI") || key.toString().equals("/URL")) {
                foundURIs.add(value.toString());

            } else {
                this.extractURIs(value);
            }

        }

        // deal with arrays
    } else if (entity.isArray()) {

        PdfArray array = (PdfArray) entity;
        for (PdfObject pdfObject : (Iterable<PdfObject>) array.getArrayList()) {
            this.extractURIs(pdfObject);
        }

        // deal with indirect references
    } else if (entity.getClass() == PRIndirectReference.class) {

        PRIndirectReference indirect = (PRIndirectReference) entity;

        // if we've already seen a reference to this object
        if (haveSeen(indirect.getGeneration(), indirect.getNumber())) {
            return;

            // note that we've seen it if it's new
        } else {
            markAsSeen(indirect.getGeneration(), indirect.getNumber());
        }

        // dereference the "pointer" and process the object
        indirect.getReader(); // FIXME: examine side-effects
        PdfObject direct = PdfReader.getPdfObject(indirect);

        this.extractURIs(direct);
    }
}