Here you can find the source of getFileContent(String fileNameOrPath)
public static String getFileContent(String fileNameOrPath)
//package com.java2s; /*//from w w w . j a v a 2 s . co m * gMix open source project - https://svs.informatik.uni-hamburg.de/gmix/ * Copyright (C) 2012 Karl-Peter Fuchs * * 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.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.RandomAccessFile; import java.nio.channels.Channels; public class Main { public static String getFileContent(String fileNameOrPath) { String result = ""; try { BufferedReader br = new BufferedReader( new InputStreamReader(new DataInputStream(new FileInputStream(fileNameOrPath)))); String line; while ((line = br.readLine()) != null) result += line + "\n"; br.close(); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException("ERROR: could not read from file " + fileNameOrPath + "!"); } return result; } public static String readLine(long offset, String filePointer) throws IOException { String result; RandomAccessFile raf = new RandomAccessFile(filePointer, "r"); raf.seek(offset); // use BufferedReader to read line instead of raf.readLine() for performance reasons: BufferedReader reader = new BufferedReader(Channels.newReader(raf.getChannel(), "ISO-8859-1")); result = reader.readLine(); raf.close(); return result; } }