/*
OrpheusMS: MapleStory Private Server based on OdinMS
Copyright (C) 2012 Aaron Weiss <aaron@deviant-core.net>
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 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 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;
import tools.Output;
/**
* Provides an abstract wrapper to a stream of bytes.
*
* @author Frz
* @version 1.0
* @since Revision 323
*/
public class InputStreamByteStream implements ByteInputStream {
private 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(InputStream is) {
this.is = is;
}
/**
* Reads the next byte from the stream.
*
* @return Then next byte in the stream.
*/
@Override
public 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 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 long available() {
try {
return is.available();
} catch (IOException e) {
Output.print("ERROR" + e);
return 0;
}
}
}