Java FileInputStream Read readFile(File f)

Description

read File

License

Open Source License

Declaration

public static byte[] readFile(File f) throws IOException 

Method Source Code

//package com.java2s;
/*//  w w w. ja v  a  2 s  .co m
 * jaspex-mls: a Java Software Speculative Parallelization Framework
 * Copyright (C) 2015 Ivo Anjo <ivo.anjo@ist.utl.pt>
 *
 * This file is part of jaspex-mls.
 *
 * jaspex-mls 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.
 *
 * jaspex-mls 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 jaspex-mls.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.*;

public class Main {
    public static byte[] readFile(File f) throws IOException {
        FileInputStream input = new FileInputStream(f);
        byte[] fileBytes = readStream(input, true);
        return fileBytes;
    }

    public static byte[] readStream(InputStream in, boolean closeStream) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream(in.available());
        copy(in, out, closeStream);
        return out.toByteArray();
    }

    public static byte[] readStream(InputStream in) throws IOException {
        return readStream(in, false);
    }

    public static void copy(InputStream in, OutputStream out, boolean closeInputStream) throws IOException {
        byte[] buffer = new byte[4096];
        int len = 0;
        while ((len = in.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }
        out.flush();
    }

    public static void copy(InputStream in, OutputStream out) throws IOException {
        copy(in, out, false);
    }
}

Related

1. readFile(File f)
2. readFile(File f)
3. readFile(File f)
4. readFile(File f)
5. readFile(File f)
6. readFile(File f)
7. readFile(File f)
8. readFile(File f)
9. readFile(File f, int fetchLength, byte[] bytes)