/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.tdk.jcov.report.html.resources;

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

/**
 * @author Dmitry Fazunenko
 * @author Alexey Fedorchenko
 */
public class CopyResources {

    public static void copy(File destDir) throws IOException {
        if (!destDir.exists()) {
            destDir.mkdirs();
        }
        copyResourceFromJar("style.css", destDir);
        copyResourceFromJar("sorttable.js", destDir);
    }

    private static void copyResourceFromJar(String resourceName, File destDir)
            throws IOException {
        int n;
        byte[] buf = new byte[1024];

        InputStream in = null;
        FileOutputStream out = null;
        destDir.mkdirs();
        try {
            in = CopyResources.class.getResourceAsStream(resourceName);
            if (in == null) {
                throw new IllegalArgumentException("Resource " + resourceName
                        + " does not exist in this package.");
            }
            out = new FileOutputStream(new File(destDir, 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) {
                }
            }
        }
    }
}
