Application: gvSIG desktop

/*

 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI

 * for visualizing and manipulating spatial features with geometry and attributes.

 *

 * Copyright (C) 2003 Vivid Solutions

 *

 * 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 2

 * 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, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 *

 * For more information, contact:

 *

 * Vivid Solutions

 * Suite #1A

 * 2328 Government Street

 * Victoria BC  V8T 5G5

 * Canada

 *

 * (250)385-6040

 * www.vividsolutions.com

 */

package com.vividsolutions.jump.util;

import java.io.*;

import java.util.*;

/**

 * File-related utility functions.

 */

public class FileUtil {

    /**

     * Reads a text file.

     * @param textFileName the pathname of the file to open

     * @return the lines of the text file

     * @throws FileNotFoundException if the text file is not found

     * @throws IOException if the file is not found or another I/O error occurs

     */

    public static List getContents(String textFileName)

        throws FileNotFoundException, IOException {

        List contents = new ArrayList();

        FileReader fileReader = new FileReader(textFileName);

        BufferedReader bufferedReader = new BufferedReader(fileReader);

        String line = bufferedReader.readLine();

        while (line != null) {

            contents.add(line);

            line = bufferedReader.readLine();

        }

        return contents;

    }

    /**

     * Saves the String to a file with the given filename.

     * @param textFileName the pathname of the file to create (or overwrite)

     * @param contents the data to save

     * @throws IOException if an I/O error occurs.

     */

    public static void setContents(String textFileName, String contents)

        throws IOException {

        FileWriter fileWriter = new FileWriter(textFileName, false);

        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

        bufferedWriter.write(contents);

        bufferedWriter.flush();

        bufferedWriter.close();

        fileWriter.close();

    }

        public static List getContents(InputStream inputStream) throws IOException {

                ArrayList contents = new ArrayList();

                InputStreamReader inputStreamReader = new InputStreamReader(inputStream);

                try {

                        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

                        try {

                                String line = bufferedReader.readLine();

                                while (line != null) {

                                        contents.add(line);

                                        line = bufferedReader.readLine();

                                }

                        } finally {

                                bufferedReader.close();

                        }

                } finally {

                        inputStreamReader.close();

                }

                return contents;

        }

    /**

     * Saves the List of Strings to a file with the given filename.

     * @param textFileName the pathname of the file to create (or overwrite)

     * @param lines the Strings to save as lines in the file

     * @throws IOException if an I/O error occurs.

     */

    public static void setContents(String textFileName, List lines)

        throws IOException {

        String contents = "";

        for (Iterator i = lines.iterator(); i.hasNext();) {

            String line = (String) i.next();

            contents += (line + System.getProperty("line.separator"));

        }

        setContents(textFileName, contents);

    }

}