ForgePatch/fml/common/cpw/mods/fml/repackage/com/nothome/delta/SeekableSource.java

52 lines
1.8 KiB
Java

/*
* SeekableSource.java
*
* Created on May 17, 2006, 12:33 PM
* Copyright (c) 2006 Heiko Klein
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
package cpw.mods.fml.repackage.com.nothome.delta;
import java.io.Closeable;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
/**
* For sources of random-access data, such as {@link RandomAccessFile}.
*/
public interface SeekableSource extends Closeable {
/**
* Sets the position for the next {@link #read(ByteBuffer)}.
*/
void seek(long pos) throws IOException ;
/**
* Reads up to {@link ByteBuffer#remaining()} bytes from the source,
* returning the number of bytes read, or -1 if no bytes were read
* and EOF was reached.
*/
int read(ByteBuffer bb) throws IOException;
}