de.bfs.radon.omsimulation.gui.data.OMExports.java Source code

Introduction

Here is the source code for de.bfs.radon.omsimulation.gui.data.OMExports.java

Source

/*
 * OM Simulation Tool: This tool intends to test and evaluate the scientific
 * robustness of the protocol `6+1`. Therefore, it generates a huge amount of
 * virtual measurement campaigns based on real radon concentration data
 * following the mentioned protocol. <http://github.com/donschoe/omsimulation>
 * 
 * Copyright (C) 2012 Alexander Schoedon <a.schoedon@student.htw-berlin.de>
 * 
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

package de.bfs.radon.omsimulation.gui.data;

import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.Rectangle2D.Double;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.swing.JOptionPane;

import org.jfree.chart.JFreeChart;

import com.itextpdf.awt.FontMapper;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;

/**
 * Public abstract class OMExports providing helper methods for exporting data.
 * Can not be instantiated.
 * 
 * @author A. Schoedon
 */
public abstract class OMExports {

    /**
     * 
     * Method to export charts as PDF files using the defined path.
     * 
     * @param path
     *          The filename and absolute path.
     * @param chart
     *          The JFreeChart object.
     * @param width
     *          The width of the PDF file.
     * @param height
     *          The height of the PDF file.
     * @param mapper
     *          The font mapper for the PDF file.
     * @param title
     *          The title of the PDF file.
     * @throws IOException
     *           If writing a PDF file fails.
     */
    @SuppressWarnings("deprecation")
    public static void exportPdf(String path, JFreeChart chart, int width, int height, FontMapper mapper,
            String title) throws IOException {
        File file = new File(path);
        FileOutputStream pdfStream = new FileOutputStream(file);
        BufferedOutputStream pdfOutput = new BufferedOutputStream(pdfStream);
        Rectangle pagesize = new Rectangle(width, height);
        Document document = new Document();
        document.setPageSize(pagesize);
        document.setMargins(50, 50, 50, 50);
        document.addAuthor("OMSimulationTool");
        document.addSubject(title);
        try {
            PdfWriter pdfWriter = PdfWriter.getInstance(document, pdfOutput);
            document.open();
            PdfContentByte contentByte = pdfWriter.getDirectContent();
            PdfTemplate template = contentByte.createTemplate(width, height);
            Graphics2D g2D = template.createGraphics(width, height, mapper);
            Double r2D = new Rectangle2D.Double(0, 0, width, height);
            chart.draw(g2D, r2D);
            g2D.dispose();
            contentByte.addTemplate(template, 0, 0);
        } catch (DocumentException de) {
            JOptionPane.showMessageDialog(null, "Failed to write PDF document.\n" + de.getMessage(), "Failed",
                    JOptionPane.ERROR_MESSAGE);
            de.printStackTrace();
        }
        document.close();
    }
}