Converts a TXT file to PDF

WhiteFang.java

/*
 * Copyright 2015 Datalogics Inc.
 */

package pdfjt.cookbook.document;

import com.adobe.pdfjt.pdf.document.PDFDocument;
import com.adobe.pdfjt.pdf.document.PDFOpenOptions;
import com.datalogics.pdf.document.DocumentHelper;
import com.datalogics.pdf.layout.LayoutEngine;
import com.datalogics.pdf.text.Paragraph;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

import pdfjt.util.SampleFileServices;

/**
 * Demonstrates automatic page breaking by laying out a long string of text as a
 * PDF file spanning multiple pages. Note that no special action needs to be
 * taken by the code; Talkeetna will break the text into pages automatically.
 * 
 */
public final class WhiteFang {
    static final String OUTPUT_PATH = "WhiteFang.pdf";
    private static final String inputText = "http://dev.datalogics.com/cookbook/document/WhiteFang.chapter1.txt";
    private static final String outputDir = "cookbook/Document/output/";

    public static void main(final String... args) throws Exception {
        // Create a document
        final PDFDocument pdfDocument = PDFDocument.newInstance(PDFOpenOptions.newInstance());

        URLConnection connection = new URL(inputText).openConnection();
        connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
        connection.connect();
        InputStream inputStream = connection.getInputStream();        
        InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "UTF-8");

        // Read in a text and add each line as separate paragraph
        @SuppressWarnings("resource")
        LayoutEngine layoutEngine = new LayoutEngine(pdfDocument);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader); 
        for (String line; (line = bufferedReader.readLine()) != null;) {
            /*
             * The input file uses blank lines to indicate the separation of
             * paragraphs, so we'll filter them out.
             */
            if (!line.matches("\\s*")) {
                layoutEngine.add(new Paragraph(line)); 
            }
        }
        // Save the document
        System.out.println(pdfDocument.requirePages().getNumPages() + " Pages Created.");
        SampleFileServices.createDir(outputDir);
        DocumentHelper.saveFullAndClose(pdfDocument, outputDir + "WhiteFang.pdf");
        System.out.println("Done!");
    }
}