2 * 11/19/04 1.0 moved to LGPL.
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3 *-----------------------------------------------------------------------
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU Library General Public License as published
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6 * by the Free Software Foundation; either version 2 of the License, or
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7 * (at your option) any later version.
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9 * This program is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 * GNU Library General Public License for more details.
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14 * You should have received a copy of the GNU Library General Public
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15 * License along with this program; if not, write to the Free Software
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16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17 *----------------------------------------------------------------------
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21 import java.io.IOException;
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26 * Class to describe a seekable data source.
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29 public interface Source
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32 public static final long LENGTH_UNKNOWN = -1;
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34 public int read(byte[] b, int offs, int len)
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38 public boolean willReadBlock();
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40 public boolean isSeekable();
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42 public long length();
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46 public long seek(long pos);
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