Java FileInputStream Read readFile(String fileName, String charset)

Description

read File

License

Open Source License

Declaration

public static String readFile(String fileName, String charset) throws Exception 

Method Source Code

//package com.java2s;
/*/*  w  w  w . j  a va  2s .co  m*/
 * Copyright (C) 2014 hu
 *
 * 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.
 */

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;

public class Main {
    public static byte[] readFile(File file) throws IOException {
        FileInputStream fis = new FileInputStream(file);
        byte[] buf = new byte[2048];
        int read;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        while ((read = fis.read(buf)) != -1) {
            bos.write(buf, 0, read);
        }

        fis.close();
        return bos.toByteArray();
    }

    public static byte[] readFile(String fileName) throws IOException {
        File file = new File(fileName);
        return readFile(file);
    }

    public static String readFile(File file, String charset) throws Exception {
        FileInputStream fis = new FileInputStream(file);
        byte[] buf = new byte[2048];
        int read;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        while ((read = fis.read(buf)) != -1) {
            bos.write(buf, 0, read);
        }

        fis.close();
        return new String(bos.toByteArray(), charset);
    }

    public static String readFile(String fileName, String charset) throws Exception {
        File file = new File(fileName);
        return readFile(file, charset);
    }
}

Related

1. readFile(String fileName)
2. readFile(String filename)
3. readFile(String filename)
4. readFile(String filename)
5. readFile(String fileName)
6. readFile(String filePath)
7. readFile(String filePath)
8. readFile(String filePath)
9. readFile(String filePath)