EditorKits.DocumentExporter.java Source code

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package EditorKits;

import com.itextpdf.text.html.simpleparser.HTMLWorker;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringReader;
import javax.swing.text.BadLocationException;
import javax.swing.text.rtf.RTFEditorKit;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.tool.xml.XMLWorkerHelper;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.docx4j.XmlUtils;
import org.docx4j.convert.in.xhtml.XHTMLImporterImpl;
import org.docx4j.convert.out.html.BrWriter;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.exceptions.InvalidFormatException;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;

/**
 *
 * @author Vin
 */
public class DocumentExporter {

    public static String ConvertToRTF(String htmlString) throws IOException {
        String result = "";

        OutputStream os = new ByteArrayOutputStream();
        AdvancedHTMLEditorKit htmlEditorKit = new AdvancedHTMLEditorKit();
        RTFEditorKit rtfEditorKit = new RTFEditorKit();

        htmlString = htmlString.replaceAll("<br.*?>", "#NEW_LINE#");
        htmlString = htmlString.replaceAll("</p>", "#NEW_LINE#");
        htmlString = htmlString.replaceAll("<p.*?>", "");
        InputStream is = new ByteArrayInputStream(htmlString.getBytes());
        try {
            javax.swing.text.Document doc = htmlEditorKit.createDefaultDocument();
            htmlEditorKit.read(is, doc, 0);
            rtfEditorKit.write(os, doc, 0, doc.getLength());
            result = os.toString();
            result = result.replaceAll("#NEW_LINE#", "\\\\par ");
        } catch (BadLocationException e) {
        }

        return result;
    }

    public static void ConvertToPDF(String htmlString, String output) {

        String out = "";
        out = htmlString.substring(0, htmlString.indexOf("<body>")).replaceAll("<br>", "");
        out += htmlString.substring(htmlString.indexOf("<body>"), htmlString.indexOf("</body>"));
        out += htmlString.substring(htmlString.indexOf("</body>"), htmlString.length()).replaceAll("<br>", "");
        out = out.replaceAll("<br>", "<br/>");
        try {
            Document document = new Document(PageSize.A4);
            PdfWriter pdfWriter = PdfWriter.getInstance(document, new FileOutputStream(output));
            document.open();
            document.addCreationDate();

            XMLWorkerHelper worker = XMLWorkerHelper.getInstance();

            worker.parseXHtml(pdfWriter, document, new StringReader(out));
            document.close();
            System.out.println("Done.");
        } catch (FileNotFoundException | DocumentException e) {
        } catch (IOException ex) {
            Logger.getLogger(DocumentExporter.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static void ConvertToDocx(String htmlString, String output) {
        String out = "";
        out = htmlString.substring(0, htmlString.indexOf("<body>")).replaceAll("<br>", "");
        out += htmlString.substring(htmlString.indexOf("<body>"), htmlString.indexOf("</body>"));
        out += htmlString.substring(htmlString.indexOf("</body>"), htmlString.length()).replaceAll("<br>", "");
        out = out.replaceAll("<br>", "<br/>");
        htmlString = out;
        WordprocessingMLPackage wordMLPackage = null;
        try {
            wordMLPackage = WordprocessingMLPackage.createPackage();
        } catch (InvalidFormatException ex) {
            Logger.getLogger(DocumentExporter.class.getName()).log(Level.SEVERE, null, ex);
        }

        XHTMLImporterImpl XHTMLImporter = new XHTMLImporterImpl(wordMLPackage);
        try {
            wordMLPackage.getMainDocumentPart().getContent().addAll(XHTMLImporter.convert(htmlString, null));
        } catch (Docx4JException ex) {
            Logger.getLogger(DocumentExporter.class.getName()).log(Level.SEVERE, null, ex);
        }

        try {
            wordMLPackage.save(new File(output));
        } catch (Docx4JException ex) {
            Logger.getLogger(DocumentExporter.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
}