Java InputStreamReader Read readFile(String fileName)

Description

read File

License

Open Source License

Declaration

public static String readFile(String fileName) throws IOException 

Method Source Code

//package com.java2s;
/**/*from   w  w w  . j ava 2 s. c o m*/
 * Copyright (C) 2015 WING, NUS and NUS NLP Group.
 * 
 * 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 3 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, see http://www.gnu.org/licenses/.
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static final String ENCODING = "UTF-8";

    public static String readFile(String fileName) throws IOException {
        return readFile(fileName, ENCODING);
    }

    public static String readFile(File file) throws IOException {
        return readFile(file, ENCODING);
    }

    public static String readFile(String fileName, String encoding) throws IOException {
        return readFile(new File(fileName), encoding);
    }

    public static String readFile(File file, String encoding) throws IOException {
        StringBuilder sb = new StringBuilder();

        try (BufferedReader reader = new BufferedReader(
                new InputStreamReader(new FileInputStream(file), encoding))) {
            char[] tmp = new char[256];
            int r = reader.read(tmp);
            while (r != -1) {
                sb.append(tmp, 0, r);
                r = reader.read(tmp);
            }
        }

        return sb.toString();
    }
}

Related

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