ucar.nc2.iosp.gempak
Class GempakSurfaceIOSP

java.lang.Object
  ucar.nc2.iosp.AbstractIOServiceProvider
      ucar.nc2.iosp.gempak.GempakSurfaceIOSP

All Implemented Interfaces:

IOServiceProvider

public class GempakSurfaceIOSP
extends AbstractIOServiceProvider

An IOSP for Gempak Surface data. Warning: This is a work in progress and does not give readable files yet!

Author:

Unidata Java Development Team

Nested Class Summary

protected static class

GempakSurfaceIOSP.MakeNetcdfFile TODO: generalize this static class for testing

Field Summary

protected GempakSurfaceFileReader	gemreader Gempak file reader
protected NetcdfFile	ncfile The netCDF file
protected java.lang.StringBuilder	parseInfo place to store debug stuff
protected RandomAccessFile	raf the file we are reading

Constructor Summary

GempakSurfaceIOSP()

Method Summary

void	close() Close this IOSP
java.lang.String	getDetailInfo() Get the detail information
java.lang.String	getFileTypeDescription() Get the file type description
java.lang.String	getFileTypeId() Get the file type id
boolean	isValidFile(RandomAccessFile raf) Is this a valid file?
static void	main(java.lang.String[] args) Test this.
void	open(RandomAccessFile raf, NetcdfFile ncfile, CancelTask cancelTask) Open the service provider for reading.
Array	readData(Variable v2, Section section) Read the data for the variable
boolean	sync() Sync the file
boolean	syncExtend() Sync and extend

Methods inherited from class ucar.nc2.iosp.AbstractIOServiceProvider

copyToByteChannel, createValidNetcdfObjectName, getFileTypeVersion, getStructureIterator, readSection, readToByteChannel, sendIospMessage, toStringDebug

Methods inherited from class java.lang.Object

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

Field Detail

ncfile

protected NetcdfFile ncfile

The netCDF file

raf

protected RandomAccessFile raf

the file we are reading

gemreader

protected GempakSurfaceFileReader gemreader

Gempak file reader

parseInfo

protected java.lang.StringBuilder parseInfo

place to store debug stuff

Constructor Detail

GempakSurfaceIOSP

public GempakSurfaceIOSP()

Method Detail

isValidFile

public boolean isValidFile(RandomAccessFile raf)
                    throws java.io.IOException

Is this a valid file?

Parameters:

raf - RandomAccessFile to check

Returns:

true if a valid Gempak grid file

Throws:

java.io.IOException - problem reading file

getFileTypeId

public java.lang.String getFileTypeId()

Get the file type id

Returns:

file type id

See Also:

"http://www.unidata.ucar.edu/software/netcdf-java/formats/FileTypes.html"

getFileTypeDescription

public java.lang.String getFileTypeDescription()

Get the file type description

Returns:

the file type description

See Also:

"http://www.unidata.ucar.edu/software/netcdf-java/formats/FileTypes.html"

open

public void open(RandomAccessFile raf,
                 NetcdfFile ncfile,
                 CancelTask cancelTask)
          throws java.io.IOException

Open the service provider for reading.

Parameters:

raf - file to read from

ncfile - netCDF file we are writing to (memory)

cancelTask - task for cancelling

Throws:

java.io.IOException - problem reading file

close

public void close()
           throws java.io.IOException

Close this IOSP

Specified by:

close in interface IOServiceProvider

Overrides:

close in class AbstractIOServiceProvider

Throws:

java.io.IOException - problem closing file

syncExtend

public boolean syncExtend()

Sync and extend

Specified by:

syncExtend in interface IOServiceProvider

Overrides:

syncExtend in class AbstractIOServiceProvider

Returns:

false

getDetailInfo

public java.lang.String getDetailInfo()

Get the detail information

Specified by:

getDetailInfo in interface IOServiceProvider

Overrides:

getDetailInfo in class AbstractIOServiceProvider

Returns:

the detail info

sync

public boolean sync()
             throws java.io.IOException

Sync the file

Specified by:

sync in interface IOServiceProvider

Overrides:

sync in class AbstractIOServiceProvider

Returns:

true if needed to sync

Throws:

java.io.IOException - problem synching the file

readData

public Array readData(Variable v2,
                      Section section)
               throws java.io.IOException,
                      InvalidRangeException

Read the data for the variable

Parameters:

v2 - Variable to read

section - section infomation

Returns:

Array of data

Throws:

java.io.IOException - problem reading from file

InvalidRangeException - invalid Range

See Also:

Range

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Test this.

Parameters:

args - file name

Throws:

java.io.IOException - problem reading the file