InputStreamByteStream.java
资源名称:src.rar [点击查看]
上传用户:gwt600
上传日期:2021-06-03
资源大小:704k
文件大小:2k
源码类别:
游戏
开发平台:
Java
- /*
- This file is part of the OdinMS Maple Story Server
- Copyright (C) 2008 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 net.sf.odinms.tools.data.input;
- import java.io.IOException;
- import java.io.InputStream;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * 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;
- private static Logger log = LoggerFactory.getLogger(InputStreamByteStream.class);
- /**
- * 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) {
- log.error("ERROR", e);
- return 0;
- }
- }
- }