How to create a PDF report from a LaTeX template file : to PDF « PDF « Java Tutorial

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/**
 * How to create a PDF report from a LaTeX template file?
 * 
 * This sample shows how to create a very simple invoice from an invoice template.
 * 
 * Requirements:
 * - The free Java LaTeX Report (JLR) library - http://nixo-soft.de/en/category/Downloads/page/libs/JavaLatexReport.php
 * - Java Runtime Environment (JRE) 6
 * - Installed or portable LaTeX Distribution(e.g. MiKTeX or MiKTeX Portable)
 * 
 * For a more detailed Tutorial on how creating a LaTeX template file or how to use Java LaTeX Report,
 * look at http://www.nixo-soft.de/tutorials/jlr/JLRTutorial.html
 */

import de.nixosoft.jlr.*;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;

public class Main {

    public static void main(String[] args) {

        File workingDirectory = new File("C:" + File.separator + "Invoices");

        File template = new File(workingDirectory.getAbsolutePath() + File.separator + "invoiceTemplate.tex");

        File tempDir = new File(workingDirectory.getAbsolutePath() + File.separator + "temp");
        if (!tempDir.isDirectory()) {
            tempDir.mkdir();
        }

        File invoice1 = new File(tempDir.getAbsolutePath() + File.separator + "invoice1.tex");
        File invoice2 = new File(tempDir.getAbsolutePath() + File.separator + "invoice2.tex");



        try {

            HashMap<String, String> data = new HashMap<String, String>();

            data.put("Number", "1");
            data.put("Customer name", "Ivan Pfeiffer");
            data.put("Customer street", "Schwarzer Weg 4");
            data.put("Customer zip", "13505 Berlin");
            data.put("Development", "Software");
            data.put("Price", "500");

            JLRConverter converter = new JLRConverter("::", ":::");
            if (!converter.parse(template, invoice1, data)) {
                System.out.println(converter.getErrorMessage());
            }

            data.put("Number", "2");
            data.put("Customer name", "Mike Mueller");
            data.put("Customer street", "Prenzlauer Berg 12");
            data.put("Customer zip", "10405 Berlin");
            data.put("Development", "Hardware");
            data.put("Price", "2350");

            if (!converter.parse(template, invoice2, data)) {
                System.out.println(converter.getErrorMessage());
            }


            File desktop = new File(System.getProperty("user.home") + File.separator + "Desktop");

            JLRGenerator pdfGen = new JLRGenerator();

            pdfGen.deleteTempTexFile(false);

            if (!pdfGen.generate(invoice1, desktop, workingDirectory)) { 
                System.out.println(pdfGen.getErrorMessage());
            }

            JLROpener.open(pdfGen.getPDF());

            if (!pdfGen.generate(invoice2, desktop, workingDirectory)) {
                System.out.println(pdfGen.getErrorMessage());
            }

            JLROpener.open(pdfGen.getPDF());

        } catch (IOException ex) {
            System.err.println(ex.getMessage());
        }
    }
}