Java InputStreamReader Read All readAll(File file)

Description

read All

License

Open Source License

Declaration

public static String readAll(File file) throws IOException 

Method Source Code

//package com.java2s;
/*/* w  w w .ja  va2 s.  c o m*/
 * AutoRefactor - Eclipse plugin to automatically refactor Java code bases.
 *
 * Copyright (C) 2016-2017 Jean-No?l Rouvignac - initial API and implementation
 *
 * 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
 * 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 under LICENSE-GNUGPL.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution under LICENSE-ECLIPSE, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;

public class Main {
    public static String readAll(File file) throws IOException {
        final StringBuilder sb = new StringBuilder();
        FileInputStream input = null;
        Reader reader = null;
        try {
            input = new FileInputStream(file);
            reader = new InputStreamReader(input, "UTF-8");
            int c = 0;
            while ((c = reader.read()) != -1) {
                sb.append((char) c);
            }
        } finally {
            if (input != null) {
                input.close();
            }
            if (reader != null) {
                reader.close();
            }
        }
        return sb.toString();
    }
}

Related

1. readAll(InputStream input)
2. readAll(InputStreamReader reader)
3. readAll(Reader source)