Tables for vertical alignment?

I am having vertical alignment issues when generating PDF documents.  The
data which is dynamic in format must fit on N sheets of 8.5X11.  Each 33
lines of data must fit on the upper or lower 1/2 of the page with a
perforation in the middle of the page.  Will tables/cells help me achieve
the proper vertical alignment I desire?  I was considering a 1 column table
and each 1/2 page of data could be a cell.  I was hoping I could use
absolute position on each cell ( 1/2 page).

Document document = new Document(PageSize.A4, 0, 0, 0, 0);
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		Font dataFont = new Font(Font.COURIER, 12);
		Font headerFont = new Font(Font.COURIER, 7);

		try {
			PdfWriter pdfWriter = PdfWriter.getInstance(document, baos);
			document.open();
			PdfContentByte cb = pdfWriter.getDirectContent();

			List<BPEVRPage> pages = STXMLGenerator.getRegDocument((STRegTransaction)
getRegTransaction());
			int formCount = 0;

			bpevrPage:
			for (BPEVRPage page:pages) {
				for (Form form:page.getFormsList()) {
					while (form.getLinesList().size() <33) {
						Line line = new Line();
						LineSection lineSection = new LineSection();
						lineSection.setLineSectionType(LineSection.DATA);
						lineSection.setLineSectionData(" ");
						line.addLineSection(lineSection);
						form.addLine(line);
					}
					if (formCount>=2 && formCount%2==0){
						document.newPage();
						logger.fine("ADDING NEW PAGE");
					}
					for (Line line:form.getLinesList()) {
						Paragraph para = new Paragraph();
						para.setLeading(0, 0.85f);
						para.setIndentationLeft(12f);
						para.setIndentationRight(12f);
						for (LineSection section:line.getLineSections()) {
							logger.fine("formCount "+ formCount+" line section data 1 header 2
"+section.getLineSectionType() + " " + section.getLineSectionData());
							if (section.getLineSectionType()==LineSection.DATA) {
								if (STDocumentTypeFactory.CA_REGDOC_NODMVCOPY.equals(docType) &&
section.getLineSectionData().contains(DMV_FILE_COPY_TOKEN)) {
									break bpevrPage;
								}
								Phrase phrase = new Phrase(section.getLineSectionData(), dataFont);
								para.add(phrase);
							} else if (section.getLineSectionType()==LineSection.HEADER) {
								Phrase phrase = new Phrase(section.getLineSectionData(),
headerFont);
								para.add(phrase);
							} else if
(section.getLineSectionType()==LineSection.CUSTOMER_BARCODE) {
								// CODE 39
								Paragraph paraCustomer = new Paragraph();
								paraCustomer.setSpacingBefore(18);  //set spacing prior bar code 1/4
inch
								paraCustomer.setSpacingAfter(0);
								paraCustomer.setIndentationLeft((float) 166);
								Barcode39 code39Customer = new Barcode39();
								code39Customer.setBarHeight((float) 36);
								code39Customer.setSize((float) 4.75);
								code39Customer.setCode(section.getLineSectionData());
								code39Customer.setAltText("");
//								Image image = code39Customer.createImageWithBarcode(cb, null,
null);
//								if (formCount%2==0) {
//									image.setAbsolutePosition(144f, 468f);  //5.5 inches from bottom
//								} else {
//									image.setAbsolutePosition(144f, 720f); //10 inches from bottom	
//								}
//								paraCustomer.add(image);
								paraCustomer.add(code39Customer.createImageWithBarcode(cb, null,
null));
								document.add(paraCustomer);
							} else if (section.getLineSectionType()==LineSection.DMV_BARCODE) {
								// CODE 39
								Paragraph paraDMV = new Paragraph();
								paraDMV.setSpacingAfter(0);
								paraDMV.setIndentationLeft((float) 144);
								Barcode39 code39DMV = new Barcode39();
								code39DMV.setBarHeight((float) 36);
								code39DMV.setSize((float) 3.75);
								code39DMV.setCode(section.getLineSectionData());
								code39DMV.setTextAlignment(Element.ALIGN_LEFT);
//								Image image = code39DMV.createImageWithBarcode(cb, null, null);
//								if (formCount%2==0) {
//									image.setAbsolutePosition(144f, 468f);  //5.5 inches from bottom
//								} else {
//									image.setAbsolutePosition(144f, 720f);  //10 inches from bottom	
//								}
//								paraDMV.add(image);
								paraDMV.add(code39DMV.createImageWithBarcode(cb, null, null));	
								document.add(paraDMV);
							}					
						}//line section
						document.add(para);
					}//line
					formCount++;
				}//form
			}//page
			document.close();

		} catch (DocumentException e) {
			e.printStackTrace();
//		} catch (FileNotFoundException e) {
//			// TODO Auto-generated catch block
//			e.printStackTrace();
		}
		return baos.toByteArray();
	}



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