org.vulpe.commons.util.Html2PdfUtil.java Source code

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Here is the source code for org.vulpe.commons.util.Html2PdfUtil.java

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/**
 * Vulpe Framework - Quick and Smart ;)
 * Copyright (C) 2011 Active Thread
 *
 * Este programa  software livre; voc pode redistribu-lo e/ou
 * modific-lo sob os termos da Licena Pblica Geral GNU, conforme
 * publicada pela Free Software Foundation; tanto a verso 2 da
 * Licena como (a seu critrio) qualquer verso mais nova.
 *
 * Este programa  distribudo na expectativa de ser til, mas SEM
 * QUALQUER GARANTIA; sem mesmo a garantia implcita de
 * COMERCIALIZAO ou de ADEQUAO A QUALQUER PROPSITO EM
 * PARTICULAR. Consulte a Licena Pblica Geral GNU para obter mais
 * detalhes.
 *
 * Voc deve ter recebido uma cpia da Licena Pblica Geral GNU
 * junto com este programa; se no, escreva para a Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */
/**
 * Vulpe Framework - Quick and Smart ;)
 * Copyright (C) 2011 Active Thread
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.vulpe.commons.util;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.dom4j.DocumentException;
import org.w3c.dom.Document;
import org.w3c.tidy.Tidy;
import org.xhtmlrenderer.pdf.ITextRenderer;

import com.lowagie.text.pdf.BaseFont;

/**
 * HTML 2 PDF utility class.
 *
 * @author <a href="mailto:felipe@vulpe.org">Geraldo Felipe</a>
 * @version 1.0
 * @since 1.0
 */
public class Html2PdfUtil {

    protected static final Logger LOG = LoggerFactory.getLogger(Html2PdfUtil.class);

    public static void convert(String input, OutputStream out) throws DocumentException {
        convert(new ByteArrayInputStream(input.getBytes()), out);
    }

    public static void convert(InputStream input, OutputStream out) throws DocumentException {
        try {
            final Tidy tidy = new Tidy();
            final Document doc = tidy.parseDOM(input, null);
            final ITextRenderer renderer = new ITextRenderer();
            final File liberationSansRegular = new File(
                    getRealPath("/reports/fonts/liberation_sans/LiberationSans-Regular.ttf"));
            final File liberationSansBold = new File(
                    getRealPath("/reports/fonts/liberation_sans/LiberationSans-Bold.ttf"));
            final File liberationSansBoldItalic = new File(
                    getRealPath("/reports/fonts/liberation_sans/LiberationSans-BoldItalic.ttf"));
            final File liberationSansItalic = new File(
                    getRealPath("/reports/fonts/liberation_sans/LiberationSans-Italic.ttf"));
            renderer.getFontResolver().addFont(liberationSansRegular.getAbsolutePath(), BaseFont.IDENTITY_H,
                    BaseFont.EMBEDDED);
            renderer.getFontResolver().addFont(liberationSansBold.getAbsolutePath(), BaseFont.IDENTITY_H,
                    BaseFont.EMBEDDED);
            renderer.getFontResolver().addFont(liberationSansBoldItalic.getAbsolutePath(), BaseFont.IDENTITY_H,
                    BaseFont.EMBEDDED);
            renderer.getFontResolver().addFont(liberationSansItalic.getAbsolutePath(), BaseFont.IDENTITY_H,
                    BaseFont.EMBEDDED);
            // final BaseFont font = BaseFont.createFont(file.getAbsolutePath(),
            // BaseFont.IDENTITY_H,
            // BaseFont.NOT_EMBEDDED);
            // final String fontFamilyName = TrueTypeUtil.getFamilyName(font);
            renderer.setDocument(doc, null);
            renderer.layout();
            renderer.createPDF(out);
        } catch (Exception e) {
            LOG.error(e.getMessage());
        }
    }

    private static String getRealPath(final String fileName) {
        String realPath = "";
        final URL url = Thread.currentThread().getContextClassLoader().getResource(fileName);
        if (url != null) {
            realPath = url.getPath();
        } else {
            realPath = Html2PdfUtil.class.getResource(fileName).getPath();
        }
        return realPath.replaceAll("%20", " ");
    }
}