is.iclt.icenlp.core.utils.FileOperations.java Source code

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Here is the source code for is.iclt.icenlp.core.utils.FileOperations.java

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/*
 * Copyright (C) 2009 Anton Karl Ingason
 *
 * This file is part of the IceNLP toolkit.
 * IceNLP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * IceNLP 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with IceNLP. If not,  see <http://www.gnu.org/licenses/>.
 *
 * Contact information:
 * Anton Karl Ingason, University of Iceland.
 * anton.karl.ingason@gmail.com
 */

package is.iclt.icenlp.core.utils;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.FileUtils;

/**
 * Various static methods for dealing with files.
 * @author Anton Karl Ingason
 */
public class FileOperations {

    /**
     * Reads a file to a String. Complains to system out and prints stack trace
     * if an IOException occurs.
     * @param filename Name of the file to be read.
     * @return The content of the file as a String.
     */

    public static String fileToString(String filename) {
        String contents = null;
        try {
            //contents = FileUtils.readFileToString(new File(filename));
            contents = FileUtils.readFileToString(new File(filename), FileEncoding.ENCODING);
        } catch (IOException ex) {
            System.out.println("Could not read file '" + filename + "'!");
            ex.printStackTrace();
        }
        return contents;
    }

    /**
     * Writes a String to a file. Complains to system out and prints stack trace 
     * if an IOException occurs.
     * @param filename Name of the file to be written.
     * @param data The String data that will be written to the file.
     */
    public static void stringToFile(String filename, String data) {
        try {
            //FileUtils.writeStringToFile(new File(filename), data);
            FileUtils.writeStringToFile(new File(filename), data, FileEncoding.ENCODING);
        } catch (IOException ex) {
            System.out.println("Could not write to file '" + filename + "'!");
            ex.printStackTrace();
        }
    }

    public static ArrayList<String> getFilePaths(String folderPath) {

        File rootFolder = new File(folderPath);

        File[] rootFiles = rootFolder.listFiles();
        ArrayList<String> filePaths = new ArrayList<String>();

        for (int i = 0; i < rootFiles.length; i++) {
            String lFolderPath = rootFiles[i].getAbsolutePath();
            // l = local
            if (rootFiles[i].isDirectory()) {
                filePaths.addAll(getFilePaths(lFolderPath));
            } else if (rootFiles[i].isFile()) {
                filePaths.add(lFolderPath);
            }
        }

        return filePaths;
    }

}