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POPDF Generator using iText and java
 

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  1. POPDF Generator using iText and java
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    <p>I need to generate a PDF using iText, also using ajax to it. I have given a button, when on click, I have to get a pop-up for saving a pdf file as generally we get in many of the downloadable files. I;m not finding any wrong in the code please look into the code and help me. I have to print a simple table with rows and columns which i'm not able to.</p> <p><strong>Ajax coding:</strong></p> <pre><code>function getFocusedPDF(){ alert("Inside create PDF ajax"); $.ajax({ url : '/PreTestWeb/getFocusedPDF', type : 'get', dataType : 'json', contentType : 'application/json', success : function(map) { console.log(map); }, error : function(map) { alert(map); alert("error occured!!!"); }, }); } </code></pre> <p><strong>Home Controller:</strong></p> <pre><code>@RequestMapping(value = "/getFocusedPDF", method = RequestMethod.GET) public void getRecentFocusGrpData(HttpServletRequest req, HttpServletResponse res) throws IOException, DocumentException { String contType="application/pdf"; res.setContentType(contType); Gson json = new Gson(); System.out.println("Inside home ctrlr"); PdfGenerator pdf=new PdfGenerator(); System.out.println("==== Before ==="); byte[] b=pdf.createFirstTable(); System.out.println("==== After ==="); res.setHeader("Content-Disposition", "attachment; filename=pdf.pdf"); res.setContentLength(b.length); res.getOutputStream().write(b); res.getOutputStream().flush(); res.getOutputStream().close(); System.out.println("Last line in home ctrlr pdf generation"); } </code></pre> <p><strong>createFirstTable: (Method)</strong></p> <pre><code>public static byte[] createFirstTable() throws DocumentException, FileNotFoundException { System.out.println("=========Inside pdf generator =========="); // a table with three columns ByteArrayOutputStream outputStream = new ByteArrayOutputStream(1024); Document document=new Document(); PdfWriter writer = PdfWriter.getInstance(document, outputStream); writer.setCloseStream(false); document.open(); PdfPTable table = new PdfPTable(2);// new PdfTable(periodList.size() + 1); // the cell object PdfPCell cell = new PdfPCell(new Paragraph ("Merry Moore")); cell.setColspan(2); table.addCell(cell); System.out.println("Added new paragraph"); // now we add a cell with rowspan 2 cell = new PdfPCell(new Phrase("Cell with rowspan 2")); cell.setColspan(2); table.addCell(cell); System.out.println("Added new cell"); // we add the four remaining cells with addCell() table.addCell("row 1; cell 1"); table.addCell("row 1; cell 2"); table.addCell("row 2; cell 1"); table.addCell("row 2; cell 2"); document.add(table); System.out.println("Added table to document"); document.close(); return outputStream.toByteArray(); } </code></pre>
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    1. This table or related slice is empty.
    1. USmadhu
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      1. PTAnswer
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    1. COIn what way doesn't it work? Do you get an error message?
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      1. POPDF Generator using iText and java
      1. USKlas Lindbäck
    2. CO@ Klas: I neither get an error nor the pdf file.
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      1. POPDF Generator using iText and java
      1. USmadhu
    3. COUnrelated to the question: I find Jasper reports to be far superior and easier to use than piecing PDF reports together with iText. You should look into it.
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      1. USU Mad
 

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