Package nom.tam.fits.compression.provider

Class CompressorProvider.TileCompressorControl

java.lang.Object

nom.tam.fits.compression.provider.CompressorProvider.TileCompressorControl

All Implemented Interfaces:

ICompressorControl

Enclosing class:

CompressorProvider

protected static class CompressorProvider.TileCompressorControl
extends java.lang.Object
implements ICompressorControl

private implementation of the tile compression provider, all is based on the option based constructor of the compressors.

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.reflect.Constructor<ICompressor<java.nio.Buffer>>	constructor
private java.lang.Class<? extends ICompressOption>	optionClass
private java.lang.reflect.Constructor<ICompressParameters>	parametersConstructor

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TileCompressorControl(java.lang.Class<?> compressorClass)
protected	TileCompressorControl(java.lang.Class<?> compressorClass, java.lang.Class<?> parametersClass)

Method Summary

Modifier and Type	Method	Description
boolean	compress(java.nio.Buffer in, java.nio.ByteBuffer out, ICompressOption option)	Compress the buffer into the byte buffer using the specified options.
void	decompress(java.nio.ByteBuffer in, java.nio.Buffer out, ICompressOption option)	decompress the byte buffer back into the buffer using the specified options.
private ICompressor<java.nio.Buffer>	newCompressor(ICompressOption option)
ICompressOption	option()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

constructor

private final java.lang.reflect.Constructor<ICompressor<java.nio.Buffer>> constructor

optionClass

private final java.lang.Class<? extends ICompressOption> optionClass

parametersConstructor

private final java.lang.reflect.Constructor<ICompressParameters> parametersConstructor

Constructor Detail

TileCompressorControl

protected TileCompressorControl(java.lang.Class<?> compressorClass)

TileCompressorControl

protected TileCompressorControl(java.lang.Class<?> compressorClass,
                                java.lang.Class<?> parametersClass)

Method Detail

compress

public boolean compress(java.nio.Buffer in,
                        java.nio.ByteBuffer out,
                        ICompressOption option)

Description copied from interface: ICompressorControl

Compress the buffer into the byte buffer using the specified options.

Specified by:

compress in interface ICompressorControl

Parameters:

in - the buffer to compress.

out - the compressed data to fill (must already be allocated with enough space)

option - the options to use for the compression

Returns:

true if the compression succeded.

decompress

public void decompress(java.nio.ByteBuffer in,
                       java.nio.Buffer out,
                       ICompressOption option)

Description copied from interface: ICompressorControl

decompress the byte buffer back into the buffer using the specified options.

Specified by:

decompress in interface ICompressorControl

Parameters:

in - the bytes to decompress.

out - the buffer to fill with the decompressed data (must already be allocated with enough space)

option - the options to use for decompressing.

option

public ICompressOption option()

Specified by:

option in interface ICompressorControl

Returns:

a option instance that can be used to control the compression meganism.

newCompressor

private ICompressor<java.nio.Buffer> newCompressor(ICompressOption option)
                                            throws java.lang.InstantiationException,
                                                   java.lang.IllegalAccessException,
                                                   java.lang.reflect.InvocationTargetException

Throws:

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException