93 lines
2.5 KiB
Java
93 lines
2.5 KiB
Java
/*
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This file is part of the OdinMS Maple Story Server
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Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
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Matthias Butz <matze@odinms.de>
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Jan Christian Meyer <vimes@odinms.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation version 3 as published by
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the Free Software Foundation. You may not use, modify or distribute
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this program under any other version of the GNU Affero General Public
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package tools.data.input;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Provides an abstract wrapper to a stream of bytes.
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*
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* @author Frz
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* @version 1.0
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* @since Revision 323
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*/
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public class InputStreamByteStream implements ByteInputStream {
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private InputStream is;
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private long read = 0;
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/**
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* Class constructor.
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* Provide an input stream to wrap this around.
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*
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* @param is The input stream to wrap this object around.
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*/
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public InputStreamByteStream(InputStream is) {
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this.is = is;
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}
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/**
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* Reads the next byte from the stream.
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*
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* @return Then next byte in the stream.
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*/
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@Override
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public int readByte() {
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int temp;
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try {
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temp = is.read();
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if (temp == -1) {
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throw new RuntimeException("EOF");
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}
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read++;
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return temp;
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* Gets the number of bytes read from the stream.
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*
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* @return The number of bytes read as a long integer.
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*/
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@Override
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public long getBytesRead() {
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return read;
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}
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/**
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* Returns the number of bytes left in the stream.
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*
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* @return The number of bytes available for reading as a long integer.
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*/
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@Override
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public long available() {
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try {
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return is.available();
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} catch (IOException e) {
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System.out.println("ERROR" + e);
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return 0;
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}
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}
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}
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