content: /*
  	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 as
      published by the Free Software Foundation 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 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) {
              e.printStackTrace();
              System.out.println("ERROR" + e);
              return 0;
          }
      }
  }
  