org.ecoinformatics.export.HtmlToPdfTest.java Source code

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Here is the source code for org.ecoinformatics.export.HtmlToPdfTest.java

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/**
 *  '$RCSfile: SaxValidateTest.java,v $'
 *  Copyright: 2000 Regents of the University of California and the
 *              National Center for Ecological Analysis and Synthesis
 *
 *   '$Author$'
 *     '$Date$'
 * '$Revision$'
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.ecoinformatics.export;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.apache.commons.io.IOUtils;

import junit.framework.TestCase;

/**
 * A JUnit test for testing PDF export
 *
 * @author   Matt Jones
 */
public class HtmlToPdfTest extends TestCase {

    /**
     * Constructor to build the test
     *
     * @param name  the name of the test method
     */
    public HtmlToPdfTest(String name) {
        super(name);
    }

    /** Establish a testing framework by initializing appropriate objects  */
    public void setUp() {
    }

    /** Release any objects after tests are complete  */
    public void tearDown() {
    }

    /**
     * Check that the testing framework is functioning properly with a trivial
     * assertion.
     */
    public void initialize() {
        assertTrue(true);
    }

    /**
     * Test HTML to PDF conversion
     */
    public void testExport() {
        try {

            // transform EML to HTML

            String srcPath = "src/test/resources/";

            String workingPath = "build/";

            String emlFileName = "eml-sample";

            String emlFileExtension = ".xml";

            String emlFile = srcPath + emlFileName + emlFileExtension;

            String xslFile = "style/eml/eml.xsl";

            String htmlFile = workingPath + emlFileName + ".html";

            // set up the css file
            File cssDir = new File(workingPath + "default");
            if (!cssDir.exists()) {
                cssDir.mkdir();
            }
            File cssFile = new File("default.css");
            File targetCssFile = new File(cssDir, cssFile.getName());
            IOUtils.copy(new FileInputStream(cssFile), new FileOutputStream(targetCssFile));
            Transformer transformer = TransformerFactory.newInstance()
                    .newTransformer(new StreamSource(new File(xslFile)));

            // add some property for style sheet
            transformer.clearParameters();
            transformer.setParameter("href_path_extension", ".html");
            transformer.setParameter("package_id", "test.1.1");
            transformer.setParameter("package_index_name", "metadata");
            transformer.setParameter("qformat", "default");
            transformer.setParameter("entitystyle", "default");
            transformer.setParameter("stylePath", ".");
            transformer.setParameter("displaymodule", "printall");

            transformer.transform(new StreamSource(new File(emlFile)), new StreamResult(new File(htmlFile)));

            // convert HTML to PDF
            String pdfFile = workingPath + emlFileName + ".pdf";

            HtmlToPdf.export(htmlFile, pdfFile);

            // TODO: check that it worked?

        } catch (Exception e) {
            // oops
            e.printStackTrace();
            fail(e.getMessage());
        }

    }

}