org.geomajas.plugin.deskmanager.utility.FileUtils.java Source code

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Here is the source code for org.geomajas.plugin.deskmanager.utility.FileUtils.java

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/*
 * This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
 *
 * Copyright 2008-2013 Geosparc nv, http://www.geosparc.com/, Belgium.
 *
 * The program is available in open source according to the GNU Affero
 * General Public License. All contributions in this program are covered
 * by the Geomajas Contributors License Agreement. For full licensing
 * details, see LICENSE.txt in the project root.
 */
package org.geomajas.plugin.deskmanager.utility;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.WritableByteChannel;
import java.util.UUID;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * TODO.
 * 
 * @author Jan De Moerloose
 *
 */
public final class FileUtils {

    private static final Logger LOG = LoggerFactory.getLogger(FileUtils.class);

    private FileUtils() {
    }

    public static File createTmpFolder() throws IOException {
        File root = org.apache.commons.io.FileUtils.getTempDirectory();
        File tmpFolder;
        do {
            tmpFolder = new File(root, UUID.randomUUID().toString());
        } while (tmpFolder.isDirectory());
        tmpFolder.mkdir();

        return tmpFolder;
    }

    /**
     * Zip all files in a directory, only relative filenames are used, does not recurse.
     * 
     * @param sourceFolder
     * @param targetFileName
     * @return
     * @throws IOException
     */
    public static File zipDirectory(File sourceFolder, String targetFileName) throws IOException {
        File target = new File(sourceFolder, targetFileName + (targetFileName.endsWith(".zip") ? "" : ".zip"));
        if (target.isFile()) {
            throw new IOException("Bestand bestaat reeds! " + target.getAbsolutePath());
        }
        File[] files = sourceFolder.listFiles();

        ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(target));
        WritableByteChannel out = Channels.newChannel(zos);
        FileInputStream is = null;
        try {
            for (File file : files) {
                zos.putNextEntry(new ZipEntry(file.getName()));

                is = new FileInputStream(file);
                FileChannel in = is.getChannel();
                in.transferTo(0, in.size(), out);

                is.close();
            }
        } catch (IOException e) {
            throw e;
        } finally {
            if (is != null) {
                is.close();
            }
            if (zos != null) {
                zos.close();
            }
        }

        return target;
    }

    public static String toSafeForFileName(String text) {
        return text.replaceAll("\\W", "_");
    }

    /**
     * Deletes the given directory (including files).
     * 
     * @param path
     * @return
     */
    public static void deleteFolder(File folder) {
        try {
            if (folder != null && folder.isDirectory()) {
                org.apache.commons.io.FileUtils.deleteDirectory(folder);
            }
        } catch (Exception e) {
            LOG.warn("Failed deleting folder: " + folder.getAbsolutePath() + " -- " + e.getMessage());
        }
    }
}