pdfbox

I have some pdf files, Using pdfbox i have converted them into text and stored into text files, Now from the text files i want to remove Hyperlinks All special characters Blank lines headers footers of pdf files “1)”,“2)”, “a)”, “bullets”, etc. I want to get valid text line by line like this: We propose OntoGain, a method for ontology learning from multi-word concept terms extracted from plain text. OntoGain follows an ontology learning process dened by distinct processing layers. Building upon plain term extraction a con-cept hierarchy is formed by clustering the extracted concepts. The

i have a pdf which I need to down scale. The pdf is in A4 portrait mode, what I need is to shrink the content of the pdf to 5 % and put this into a new PDF also in size A4 and portrait mode. Its not an option to convert the pdf to images, scale them and put it back to a pdf. I am looking for a way to solve this in java. Is there a way to solve this with pdfbox or itext? If you use iText 7 , then this is an option: public void manipulatePdf(String src, String dest) throws IOException { PdfDocument pdfDoc = new PdfDocument(new PdfReader(src), new PdfWriter(dest)); int n = pdfDoc.getNumberOfPages

Iam using the PDF BOX for getting color information of the text in PDF. I could able to get the output by using the following code. But my doubt is what StrokingColor represents, what Non stroking color represents. Based on this how will i decide which text is having which color. Anyone suggest me? My cuurent output is like this:DeviceRGB DeviceCMYK java.awt.Color[r=63,g=240,b=0] java.awt.Color[r=35,g=31,b=32] 34.934998 31.11 31.875 PDDocument doc = null; try { doc = PDDocument.load(strFilepath); PDFStreamEngine engine = new PDFStreamEngine(ResourceLoader.loadProperties("org/apache/pdfbox

I need to extract bar-code from PDF only (using rectangle), not converting the whole PDF into image. The image format can be jpg/png. zawhtut You can use Pdfbox List pages = document.getDocumentCatalog().getAllPages(); Iterator iter = pages.iterator(); while( iter.hasNext() ) { PDPage page = (PDPage)iter.next(); PDResources resources = page.getResources(); Map images = resources.getImages(); if( images != null ) { Iterator imageIter = images.keySet().iterator(); while( imageIter.hasNext() ) { String key = (String)imageIter.next(); PDXObjectImage image = (PDXObjectImage)images.get( key );