ucar.nc2.grib.grib2

Class Grib2JpegDecoder

java.lang.Object

ucar.nc2.grib.grib2.Grib2JpegDecoder

public class Grib2JpegDecoder
extends Object

Adaptation of jj2000.j2k.decoder.Decoder, in order to read input from memory.

Author:

robb kambic, caron rewritten Aug 2014

Constructor Summary

Constructors

Constructor and Description
Grib2JpegDecoder(int nbits, boolean debug) Instantiates a decoder object, width the 'argv' command line arguments.

Method Summary

Methods

Modifier and Type	Method and Description
void	decode(byte[] buf) Runs the decoder.
static String[][]	getAllParameters() Returns all the parameters used in the decoding chain.
int	getExitCode() Returns the exit code of the class.
int[]	getGdata() Return the "raw" decoded data as an int array
int	getPackBytes() Return the packBytes ie number bytes / number 1,2 or 4
boolean	hasSignedProblem()

Methods inherited from class java.lang.Object

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

Constructor Detail

Grib2JpegDecoder

public Grib2JpegDecoder(int nbits,
                boolean debug)

Instantiates a decoder object, width the 'argv' command line arguments. It also initializes the default parameters. If the argument list is empty an IllegalArgumentException is thrown. If an error occurs while parsing the arguments error messages are written to stderr and the run exit code is set to non-zero, see getExitCode()

Throws:

IllegalArgumentException - If 'argv' is empty

See Also:

getExitCode()

Method Detail

getExitCode

public int getExitCode()

Returns the exit code of the class. This is only initialized after the constructor and when the run method returns.

Returns:

The exit code of the constructor and the run() method.

hasSignedProblem

public boolean hasSignedProblem()

decode

public void decode(byte[] buf)
            throws IOException

Runs the decoder. After completion the exit code is set, a non-zero value indicates that an error occurred.

Throws:

IOException

See Also:

getExitCode()

getPackBytes

public int getPackBytes()

Return the packBytes ie number bytes / number 1,2 or 4

getGdata

public int[] getGdata()

Return the "raw" decoded data as an int array

getAllParameters

public static String[][] getAllParameters()

Returns all the parameters used in the decoding chain. It calls parameter from each module and store them in one array (one row per parameter and 4 columns).

Returns:

All decoding parameters