/* * 11/19/04 1.0 moved to LGPL. *----------------------------------------------------------------------- * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License as published * by the Free Software Foundation; either version 2 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 Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *---------------------------------------------------------------------- */ import java.io.IOException; /** * Work in progress. * * Class to describe a seekable data source. * */ public interface Source { public static final long LENGTH_UNKNOWN = -1; public int read(byte[] b, int offs, int len) throws IOException; public boolean willReadBlock(); public boolean isSeekable(); public long length(); public long tell(); public long seek(long pos); }