it.geosolutions.geobatch.unredd.script.util.FileManager.java Source code

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Here is the source code for it.geosolutions.geobatch.unredd.script.util.FileManager.java

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/*
 *  GeoBatch - Open Source geospatial batch processing system
 *  https://github.com/nfms4redd/nfms-geobatch
 *  Copyright (C) 2007-2008-2009 GeoSolutions S.A.S.
 *  http://www.geo-solutions.it
 *
 *  GPLv3 + Classpath exception
 *
 *  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 it.geosolutions.geobatch.unredd.script.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @deprecated use apache FileUtils directly
 */
public class FileManager {
    private final static Logger LOGGER = LoggerFactory.getLogger(FileManager.class);

    /**
     * @deprecated use apache FileUtils directly
     */
    public static String copyfile(String destDir, String destFileName, String srcFileName) {
        File source = new File(srcFileName);
        File dest = new File(destDir, destFileName);
        try {
            FileUtils.copyFile(source, dest);
            LOGGER.info("File copied: " + source + " --> " + dest);
        } catch (IOException ex) {
            LOGGER.warn("Error copying file: " + source + " --> " + dest, ex);
            return null;
        }
        // TODO: check original return line
        return dest.toString();
    }

    /**
    // Deletes all files and subdirectories under dir.
    // Returns true if all deletions were successful.
    // If a deletion fails, the method stops attempting to delete and returns false.
     * @deprecated use apache FileUtils directly
     */
    public static boolean deleteDir(File dir) {
        try {
            FileUtils.deleteDirectory(dir);
            return true;
        } catch (IOException ex) {
            LOGGER.warn("Error removing dir: " + dir, ex);
        }
        return false;
    }

    /**
     * Fetch the entire contents of a text file, and return it in a String.
     * This style of implementation does not throw Exceptions to the caller.
     *
     * @param aFile is a file which already exists and can be read.
     */
    public static String getContents(File aFile) {
        //...checks on aFile are elided
        StringBuilder contents = new StringBuilder();

        try {
            //use buffering, reading one line at a time
            //FileReader always assumes default encoding is OK!
            BufferedReader input = new BufferedReader(new FileReader(aFile));
            try {
                String line = null; //not declared within while loop
                /*
                * readLine is a bit quirky :
                * it returns the content of a line MINUS the newline.
                * it returns null only for the END of the stream.
                * it returns an empty String if two newlines appear in a row.
                */
                while ((line = input.readLine()) != null) {
                    contents.append(line);
                    contents.append(System.getProperty("line.separator"));
                }
            } finally {
                input.close();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }

        return contents.toString();
    }

    public static String mkUNREDDdir(String basepath, String layer, String year, String month) throws IOException {
        String path = basepath + System.getProperty("file.separator") + layer + System.getProperty("file.separator")
                + year;
        if (month != null)
            path += (System.getProperty("file.separator") + month);
        File directory = new File(path);
        FileUtils.forceMkdir(directory);
        return path;
    }

}