Here you can find the source of ReadString(FileInputStream stream)
public static String ReadString(FileInputStream stream) throws IOException
/******************************************************************************* * Copyright (C) 2010-2011 Dmitriy Nesterov * * 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./*w ww . j a va2 s. c o m*/ * * 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.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; public class Main{ public static String ReadString(FileInputStream stream) throws IOException { int length = ByteUtils.ReadInt(stream); byte[] buffer = new byte[length]; if (stream.read(buffer) != length) { //TODO : Throw error and handle it. } return new String(buffer); } public static int ReadInt(FileInputStream stream) throws IOException { byte[] bytes = new byte[4]; if (stream.read(bytes) != 4) { //TODO : Throw error and handle it. } return BytesToInt(bytes); } public static int BytesToInt(byte[] value) { int result = 0; for (int i = 0; i < 4; i++) { int shift = (4 - 1 - i) * 8; result += (value[i] & 0x000000FF) << shift; } return result; } }