Java tutorial
package org.adempiere.util; import java.awt.Graphics2D; import java.awt.print.PageFormat; import java.awt.print.Pageable; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; import com.lowagie.text.FontFactory; import com.lowagie.text.Rectangle; import com.lowagie.text.pdf.DefaultFontMapper; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfTemplate; import com.lowagie.text.pdf.PdfWriter; public class Document { static { FontFactory.registerDirectories(); } private final static String PDF_FONT_DIR = "PDF_FONT_DIR"; private static void writePDF(Pageable pageable, OutputStream output) { try { final PageFormat pf = pageable.getPageFormat(0); Rectangle pageSize = new Rectangle((int) pf.getWidth(), (int) pf.getHeight()); final com.lowagie.text.Document document = new com.lowagie.text.Document(pageSize); final PdfWriter writer = PdfWriter.getInstance(document, output); writer.setPdfVersion(PdfWriter.VERSION_1_2); document.open(); final DefaultFontMapper mapper = new DefaultFontMapper(); String pdfFontDir = /* MSysConfig.getValue( */PDF_FONT_DIR/* , "") */; if (pdfFontDir != null && pdfFontDir.trim().length() > 0) { pdfFontDir = pdfFontDir.trim(); File dir = new File(pdfFontDir); if (dir.exists() && dir.isDirectory()) mapper.insertDirectory(pdfFontDir); } final float w = (float) pf.getWidth(); final float h = (float) pf.getHeight(); final PdfContentByte cb = writer.getDirectContent(); for (int page = 0; page < pageable.getNumberOfPages(); page++) { if (page != 0) { document.newPage(); } final PdfTemplate tp = cb.createTemplate(w, h); final Graphics2D g2 = tp.createGraphics(w, h, mapper); tp.setWidth(w); tp.setHeight(h); pageable.getPrintable(page).print(g2, pf, page); g2.dispose(); cb.addTemplate(tp, 0, 0); } document.close(); } catch (Exception e) { e.printStackTrace(); } } public static File getPDFAsFile(String filename, Pageable pageable) { final File result = new File(filename); try { writePDF(pageable, new FileOutputStream(result)); } catch (Exception e) { e.printStackTrace(); } return result; } public static byte[] getPDFAsArray(Pageable pageable) { try { ByteArrayOutputStream output = new ByteArrayOutputStream(10240); writePDF(pageable, output); return output.toByteArray(); } catch (Exception e) { e.printStackTrace(); } return null; } public static boolean isValid(Pageable layout) { return true; } public static boolean isLicensed() { return true; } }