/**
* Extracts document level attachments
*
* @param filename a file from which document level attachments will be extracted
* @throws IOException
*/
public void extractDocLevelAttachments(String filename) throws IOException {
PdfReader reader = new PdfReader(filename);
PdfDictionary root = reader.getCatalog();
PdfDictionary documentnames = root.getAsDict(PdfName.NAMES);
PdfDictionary embeddedfiles = documentnames.getAsDict(PdfName.EMBEDDEDFILES);
PdfArray filespecs = embeddedfiles.getAsArray(PdfName.NAMES);
PdfDictionary filespec;
PdfDictionary refs;
FileOutputStream fos;
PRStream stream;
for (int i = 0; i < filespecs.size(); ) {
filespecs.getAsString(i++);
filespec = filespecs.getAsDict(i++);
refs = filespec.getAsDict(PdfName.EF);
for (PdfName key : refs.getKeys()) {
fos = new FileOutputStream(String.format(PATH, filespec.getAsString(key).toString()));
stream = (PRStream) PdfReader.getPdfObject(refs.getAsIndirectObject(key));
fos.write(PdfReader.getStreamBytes(stream));
fos.flush();
fos.close();
}
}
reader.close();
}
private static void concatPDFs(List<String> pdfs, OutputStream outputStream, String tempDiv) {
ByteArrayOutputStream byteStream = null;
Document document = new Document();
try {
PdfCopy copy = new PdfCopy(document, outputStream);
document.open();
for (String pdf : pdfs) {
String fileLocation = tempDiv + pdf;
InputStream templateIs = new FileInputStream(fileLocation);
PdfReader reader = new PdfReader(templateIs);
byteStream = new ByteArrayOutputStream();
PdfStamper stamper = new PdfStamper(reader, byteStream);
stamper.setFreeTextFlattening(true);
stamper.setFormFlattening(true);
stamper.close();
PdfReader pdfReader = new PdfReader(byteStream.toByteArray());
for (int page = 0; page < pdfReader.getNumberOfPages(); ) {
copy.addPage(copy.getImportedPage(pdfReader, ++page));
}
pdfReader.close();
reader.close();
}
document.close();
copy.close();
} catch (Exception e) {
logger.error(e, e);
} finally {
if (document.isOpen()) document.close();
try {
if (outputStream != null) outputStream.close();
} catch (IOException ioe) {
logger.error(ioe, ioe);
}
}
}
/**
* Manipulates a PDF file src with the file dest as result
*
* @param src the original PDF
* @param dest the resulting PDF
* @throws IOException
* @throws DocumentException
* @throws SQLException
*/
public void manipulatePdf(String src, String dest)
throws IOException, DocumentException, SQLException {
// Create a database connection
DatabaseConnection connection = new HsqldbConnection("filmfestival");
// Create a list with bookmarks
ArrayList<HashMap<String, Object>> outlines = new ArrayList<HashMap<String, Object>>();
HashMap<String, Object> map = new HashMap<String, Object>();
outlines.add(map);
map.put("Title", "Calendar");
ArrayList<HashMap<String, Object>> kids = new ArrayList<HashMap<String, Object>>();
map.put("Kids", kids);
int page = 1;
List<Date> days = PojoFactory.getDays(connection);
for (Date day : days) {
HashMap<String, Object> kid = new HashMap<String, Object>();
kids.add(kid);
kid.put("Title", day.toString());
kid.put("Action", "GoTo");
kid.put("Page", String.format("%d Fit", page++));
}
// Create a reader
PdfReader reader = new PdfReader(src);
// Create a stamper
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
stamper.setOutlines(outlines);
// Close the stamper
stamper.close();
reader.close();
// Close the database connection
connection.close();
}
public static void main(String[] args) {
SearchClientServiceImpl client = new SearchClientServiceImpl();
try {
PdfReader reader = new PdfReader("c:\\tools\\files\\rezolutie.pdf");
PdfReaderContentParser parser = new PdfReaderContentParser(reader);
TextExtractionStrategy strategy;
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
String it = strategy.getResultantText();
if (it != null && !it.trim().isEmpty()) {
System.out.println(it);
DocumentVersions doc = new DocumentVersions();
doc.setContent(it);
doc.setTitle("Han7");
doc.setDescription("Descriere");
doc.setData(new Date());
ObjectMapper mapper = new ObjectMapper();
String val = mapper.writeValueAsString(doc);
client
.getClient()
.prepareIndex("twitter", "tweet", String.valueOf(i++))
.setSource(val)
.get();
}
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
client.getClient().close();
}
}
private static void merge(String output, Collection<Path> all) {
try {
Document document = new Document();
PdfCopy copy = new PdfCopy(document, new FileOutputStream(output));
document.open();
PdfReader reader;
int n;
for (Path pathTemp : all) {
if (pathTemp.toFile().getAbsolutePath().endsWith(".pdf")) {
reader = new PdfReader(pathTemp.toFile().getAbsolutePath());
n = reader.getNumberOfPages();
for (int page = 0; page < n; ) {
copy.addPage(copy.getImportedPage(reader, ++page));
}
copy.freeReader(reader);
reader.close();
}
}
document.close();
} catch (Exception e) {
System.out.println(e);
}
}
// FIXME: Manage Exceptions
private OutputStream marcarReporteProgramaRechazado(final Programa programa, InputStream src)
throws IOException, DocumentException {
PdfReader reader = null;
reader = new PdfReader(src);
int n = reader.getNumberOfPages();
ByteArrayOutputStream os = new ByteArrayOutputStream();
PdfStamper stamper = null;
stamper = new PdfStamper(reader, os);
// text watermark
Font f = new Font(Font.FontFamily.HELVETICA, 65);
Phrase p = new Phrase("RECHAZADO", f);
// transparency
PdfGState gs1 = new PdfGState();
gs1.setFillOpacity(0.3f);
// properties
PdfContentByte over;
Rectangle pagesize;
float x, y;
// loop over every page
for (int i = 1; i <= n; i++) {
pagesize = reader.getPageSizeWithRotation(i);
x = (pagesize.getLeft() + pagesize.getRight()) / 2;
y = (pagesize.getTop() + pagesize.getBottom()) / 2;
over = stamper.getOverContent(i);
over.saveState();
over.setGState(gs1);
ColumnText.showTextAligned(over, Element.ALIGN_CENTER, p, x, y, 45);
}
stamper.close();
reader.close();
return os;
}
/**
* Creates a PDF document.
*
* @param filename the path to the new PDF document
* @throws DocumentException
* @throws IOException
*/
public void createPdf(String filename) throws IOException, DocumentException {
// step 1
Rectangle rect = new Rectangle(-595, -842, 595, 842);
Document document = new Document(rect);
// step 2
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3
document.open();
// step 4
// draw the coordinate system
PdfContentByte canvas = writer.getDirectContent();
canvas.moveTo(-595, 0);
canvas.lineTo(595, 0);
canvas.moveTo(0, -842);
canvas.lineTo(0, 842);
canvas.stroke();
// read the PDF with the logo
PdfReader reader = new PdfReader(RESOURCE);
PdfTemplate template = writer.getImportedPage(reader, 1);
// add it at different positions using different transformations
canvas.addTemplate(template, 0, 0);
canvas.addTemplate(template, 0.5f, 0, 0, 0.5f, -595, 0);
canvas.addTemplate(template, 0.5f, 0, 0, 0.5f, -297.5f, 297.5f);
canvas.addTemplate(template, 1, 0, 0.4f, 1, -750, -650);
canvas.addTemplate(template, 0, -1, -1, 0, 650, 0);
canvas.addTemplate(template, 0, -0.2f, -0.5f, 0, 350, 0);
// step 5
document.close();
reader.close();
}
public static int getPageCount(File pdf) throws IOException {
PdfReader reader = new PdfReader(pdf.getAbsolutePath());
try {
return reader.getNumberOfPages();
} finally {
if (reader != null) {
reader.close();
}
}
}
public List<Contacts> readContacts(ContactsInitializer contactsInitializer) {
Properties properties;
String pdfinput;
String contents;
String[] content;
String[] contact;
int no_of_pages;
int page_no = ApplicationConstants.TWO;
PdfReader reader = null;
try {
properties = contactsInitializer.getProperties();
pdfinput = properties.getProperty(ApplicationConstants.PDF_INPUT);
reader = new PdfReader(pdfinput);
contents = PdfTextExtractor.getTextFromPage(reader, ApplicationConstants.ONE);
content = contents.split(ApplicationConstants.NEW_LINE, ApplicationConstants.TWO);
contact = content[1].split(ApplicationConstants.NEW_LINE);
genarateContacts(contact);
no_of_pages = reader.getNumberOfPages();
while (page_no <= no_of_pages) {
contents = PdfTextExtractor.getTextFromPage(reader, page_no);
contact = contents.split(ApplicationConstants.NEW_LINE);
genarateContacts(contact);
page_no++;
}
logger.info(list.size() + " contacts added to list from pdf file successfully !");
System.out.println(list.size() + " contacts added to list from pdf file successfully !");
} catch (Exception exception) {
System.out.println("contacts not created !");
logger.error("contacts not created !");
logger.error(exception);
exception.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
logger.debug(LoggerConstants.RESOURCES_RELEASED);
} catch (Exception exception) {
logger.error(exception);
exception.printStackTrace();
}
}
}
return list;
}
