CopyFiles.java

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2003 jcoverage ltd.
 * Copyright (C) 2005 Mark Doliner
 *
 * Cobertura 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.
 *
 * Cobertura 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 Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.reporting.html.files;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public abstract class CopyFiles {

    public static void copy(File destinationDir) throws IOException {
        File cssOutputDir = new File(destinationDir, "css");
        File imagesOutputDir = new File(destinationDir, "images");
        File jsOutputDir = new File(destinationDir, "js");

        destinationDir.mkdirs();
        cssOutputDir.mkdir();
        imagesOutputDir.mkdir();
        jsOutputDir.mkdir();

        copyResourceFromJar("help.css", cssOutputDir);
        copyResourceFromJar("main.css", cssOutputDir);
        copyResourceFromJar("sortabletable.css", cssOutputDir);
        copyResourceFromJar("source-viewer.css", cssOutputDir);
        copyResourceFromJar("tooltip.css", cssOutputDir);

        copyResourceFromJar("blank.png", imagesOutputDir);
        copyResourceFromJar("downsimple.png", imagesOutputDir);
        copyResourceFromJar("upsimple.png", imagesOutputDir);

        copyResourceFromJar("customsorttypes.js", jsOutputDir);
        copyResourceFromJar("popup.js", jsOutputDir);
        copyResourceFromJar("sortabletable.js", jsOutputDir);
        copyResourceFromJar("stringbuilder.js", jsOutputDir);

        copyResourceFromJar("help.html", destinationDir);
        copyResourceFromJar("index.html", destinationDir);
    }

    /**
     * Copy a file from the jar to a directory on the local machine.
     *
     * @param resourceName The name of the file in the jar.  This file
     *                     must exist the same package as this method.
     * @param directory    The directory to copy the jar to.
     * @throws IOException If the file could not be read from the
     *                     jar or written to the disk.
     */
    private static void copyResourceFromJar(String resourceName,
                                            File directory) throws IOException {
        int n;
        byte[] buf = new byte[1024];

        InputStream in = null;
        FileOutputStream out = null;
        directory.mkdirs();
        try {
            in = CopyFiles.class.getResourceAsStream(resourceName);
            if (in == null)
                throw new IllegalArgumentException("Resource " + resourceName
                        + " does not exist in this package.");
            out = new FileOutputStream(new File(directory, resourceName));
            while ((n = in.read(buf, 0, buf.length)) != -1) {
                out.write(buf, 0, n);
            }
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException e) {
                }
            }
            if (out != null) {
                try {
                    out.close();
                } catch (IOException e) {
                }
            }
        }
    }

}