Java FileInputStream Read readFile(File file)

Description

read File

License

Open Source License

Declaration

@Deprecated
    public static byte[] readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
/*//w  w w.  j  a  v  a 2 s  .c  om
 * 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.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Main {
    @Deprecated
    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();
    }

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

    @Deprecated
    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);
    }

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

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

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

    public static void write(String fileName, String contentStr, String charset)
            throws FileNotFoundException, IOException {
        File file = new File(fileName);
        File parent = file.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        byte[] content = contentStr.getBytes(charset);
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(content);
        fos.close();
    }

    public static void write(File file, String contentStr, String charset)
            throws FileNotFoundException, IOException {
        File parent = file.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        byte[] content = contentStr.getBytes(charset);
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(content);
        fos.close();
    }

    public static void write(String fileName, byte[] content) throws FileNotFoundException, IOException {
        File file = new File(fileName);
        File parent = file.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(content);
        fos.close();
    }

    public static void write(File file, byte[] content) throws FileNotFoundException, IOException {

        File parent = file.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(content);
        fos.close();
    }
}

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