net.rwx.maven.asciidoc.utils.FileUtils.java Source code

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Here is the source code for net.rwx.maven.asciidoc.utils.FileUtils.java

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/*
 * Copyright (C) 2013 Room Work eXperience
 *
 * 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 net.rwx.maven.asciidoc.utils;

import java.io.*;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;

/**
 *
 * @author Arnaud Fonce <arnaud.fonce@r-w-x.net>
 */
public class FileUtils extends org.apache.commons.io.FileUtils {

    private static File temporaryDirectory;

    public static String getAsciidocTemporaryPath(String filename, String extension) throws IOException {

        File file = new File(filename);

        StringBuilder builder = new StringBuilder();

        builder.append(getTemporayAsciidoc());
        builder.append(File.separator);
        builder.append(file.getName());
        builder.append(extension);

        return builder.toString();
    }

    public static void moveFileToDirectory(String fileName, String directoryName) throws IOException {

        File file = new File(fileName);
        File directory = new File(directoryName);

        File destFile = FileUtils.getFile(directory, file.getName());
        if (destFile.exists()) {
            forceDelete(destFile);
        }

        moveFileToDirectory(file, directory, true);
    }

    public static String getTemporaryDirectory() throws IOException {
        StringBuilder builder = new StringBuilder();

        builder.append(getTempDirectoryPath());
        builder.append(File.separator);
        builder.append("asciidoc-maven-plugin");
        builder.append(Long.toString(System.nanoTime()));

        File directory = new File(builder.toString());
        forceMkdir(directory);
        // forceDeleteOnExit( directory );

        return directory.getAbsolutePath();
    }

    private static String getTemporayAsciidoc() throws IOException {

        if (temporaryDirectory == null) {
            StringBuilder builder = new StringBuilder();

            builder.append(getTempDirectoryPath());
            builder.append(File.separator);
            builder.append("asciidoc-maven-plugin");
            builder.append(Long.toString(System.nanoTime()));
            temporaryDirectory = new File(builder.toString());
            forceMkdir(temporaryDirectory);
            forceDeleteOnExit(temporaryDirectory);
        }
        // File f = File.createTempFile("tempAsciidoc", Long.toString(System.nanoTime()));
        // forceMkdir( f );
        // forceDeleteOnExit( f );
        return temporaryDirectory.getAbsolutePath();

    }

    public static String uncompress(InputStream is, String destination) throws IOException {

        BufferedInputStream in = new BufferedInputStream(is);
        GzipCompressorInputStream gzIn = new GzipCompressorInputStream(in);
        TarArchiveInputStream tarInput = new TarArchiveInputStream(gzIn);

        TarArchiveEntry entry = tarInput.getNextTarEntry();
        do {
            File f = new File(destination + "/" + entry.getName());
            FileUtils.forceMkdir(f.getParentFile());

            if (!f.isDirectory()) {
                OutputStream os = new FileOutputStream(f);
                byte[] content = new byte[(int) entry.getSize()];
                int byteRead = 0;
                while (byteRead < entry.getSize()) {
                    byteRead += tarInput.read(content, byteRead, content.length - byteRead);
                    os.write(content, 0, byteRead);
                }

                os.close();
                forceDeleteOnExit(f);
            }
            entry = tarInput.getNextTarEntry();
        } while (entry != null);

        gzIn.close();

        return destination;
    }

    public static String getPath(String... files) {
        StringBuilder builder = new StringBuilder();

        builder.append(files[0]);
        for (int i = 1; i < files.length; i++) {
            builder.append(File.separator);
            builder.append(files[i]);
        }

        return builder.toString();
    }
}