nom.tam.fits.compression.algorithm.api.ICompressor Maven / Gradle / Ivy
package nom.tam.fits.compression.algorithm.api;
/*
* #%L
* nom.tam FITS library
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* Copyright (C) 1996 - 2024 nom-tam-fits
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* This is free and unencumbered software released into the public domain.
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* distribute this software, either in source code form or as a compiled
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* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
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* software under copyright law.
*
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import java.nio.Buffer;
import java.nio.ByteBuffer;
/**
* (for internal use) Compressor that can compress a Buffer into a ByteBuffer and vize versa. the Byte buffer
* must have enough space allocated else an exception will be thrown.
*
* @param The generic type of NIO buffer on which this compressor operates.
*/
public interface ICompressor {
/**
* compress the buffer into the byte buffer. Attention enough space must already be allocated.
*
* @param buffer the buffer to compress.
* @param compressed the compressed data
*
* @return true if the compression succeeded.
*/
boolean compress(T buffer, ByteBuffer compressed);
/**
* Decompress the byte buffer and restore the buffer from it, again enough space must already be allocated.
*
* @param compressed the compressed data
* @param buffer the buffer to fill with the uncompressed data.
*/
void decompress(ByteBuffer compressed, T buffer);
}