eu.sisob.uma.restserver.FileSystemManager.java Source code

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Here is the source code for eu.sisob.uma.restserver.FileSystemManager.java

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/*
Copyright (c) 2014 "(IA)2 Research Group. Universidad de Mlaga"
                    http://iaia.lcc.uma.es | http://www.uma.es
This file is part of SISOB Data Extractor.
SISOB Data Extractor 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.
SISOB Data Extractor 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 SISOB Data Extractor. If not, see <http://www.gnu.org/licenses/>.
*/

package eu.sisob.uma.restserver;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.io.FileUtils;

/**
 *
 * @author Daniel Lpez Gonzlez (dlopezgonzalez@gmail.com) for the SISOB PROJECT (http://sisob.lcc.uma.es/)
 */
public class FileSystemManager {

    /**
     *
     * @param code_task_folder_dir
     * @param filename_prefix
     * @param filename_ext
     * @return
     */
    public static File getFileIfExists(File code_task_folder_dir, final String filename_prefix,
            final String filename_ext) {

        List<File> list = null;
        if (code_task_folder_dir.exists()) {

            list = Arrays.asList(code_task_folder_dir.listFiles(new FilenameFilter() {
                @Override
                public boolean accept(File dir, String name) {
                    return name.startsWith(filename_prefix) && name.endsWith(filename_ext);
                }
            }));
        }

        return (list != null && list.size() == 1 ? list.get(0) : null);

    }

    /**
     *
     * @param path
     * @return
     * @throws IOException
     */
    public static File createFileAndIfExistsDelete(String path) throws IOException {

        File dir = new File(path);
        if (!dir.exists())
            dir.mkdir();
        else {
            FileUtils.deleteDirectory(dir);
            dir.mkdir();
        }

        return dir;
    }
}