/* This file is part of the OdinMS Maple Story Server Copyright (C) 2008 ~ 2010 Patrick Huy <patrick.huy@frz.cc> Matthias Butz <matze@odinms.de> Jan Christian Meyer <vimes@odinms.de> This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation. You may not use, modify or distribute this program under any other version of the GNU Affero General Public License. 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package tools.data.input; import java.io.IOException; import java.io.InputStream; /** * Provides an abstract wrapper to a stream of bytes. * * @author Frz * @version 1.0 * @since Revision 323 */ public class InputStreamByteStream implements ByteInputStream { private final InputStream is; private long read = 0; /** * Class constructor. Provide an input stream to wrap this around. * * @param is The input stream to wrap this object around. */ public InputStreamByteStream(final InputStream is) { this.is = is; } /** * Reads the next byte from the stream. * * @return Then next byte in the stream. */ @Override public final int readByte() { int temp; try { temp = is.read(); if (temp == -1) { throw new RuntimeException("EOF"); } read++; return temp; } catch (IOException e) { throw new RuntimeException(e); } } /** * Gets the number of bytes read from the stream. * * @return The number of bytes read as a long integer. */ @Override public final long getBytesRead() { return read; } /** * Returns the number of bytes left in the stream. * * @return The number of bytes available for reading as a long integer. */ @Override public final long available() { try { return is.available(); } catch (IOException e) { System.err.println("ERROR" + e); return 0; } } @Override public final String toString(final boolean b) { //? return toString(); } }