ucar.nc2.iosp.uamiv
Class UAMIVServiceProvider

java.lang.Object
  ucar.nc2.iosp.AbstractIOServiceProvider
      ucar.nc2.iosp.uamiv.UAMIVServiceProvider

All Implemented Interfaces:

IOServiceProvider

public class UAMIVServiceProvider
extends AbstractIOServiceProvider

Class for reading CAMx flavored uamiv files. CAMx UAM-IV formatted files. uses "IOAP Conventions", handled by M3IO CoordSysBuilder

Author:

Barron Henderson barronh@gmail.com

See Also:

"http://www.camx.com/"

Constructor Summary

UAMIVServiceProvider()

Method Summary

void	close() Close the file.
String	getFileTypeDescription() Get a human-readable description for this file type.
String	getFileTypeId() Get a unique id for this file type.
boolean	isValidFile(RandomAccessFile raf) Check if this is a valid file for this IOServiceProvider.
void	open(RandomAccessFile raf, NetcdfFile ncfile, CancelTask cancelTask) Open existing file, and populate ncfile with it.
Array	readData(Variable v2, Section wantSection) Read data from a top level Variable and return a memory resident Array.

Methods inherited from class ucar.nc2.iosp.AbstractIOServiceProvider

createValidNetcdfObjectName, getDetailInfo, getFileTypeVersion, getStructureIterator, readSection, readToByteChannel, sendIospMessage, sync, syncExtend, toStringDebug

Methods inherited from class java.lang.Object

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

Constructor Detail

UAMIVServiceProvider

public UAMIVServiceProvider()

Method Detail

isValidFile

public boolean isValidFile(RandomAccessFile raf)
                    throws IOException

Check if this is a valid file for this IOServiceProvider.

Parameters:

raf - RandomAccessFile

Returns:

true if valid.

Throws:

IOException - if read error

getFileTypeId

public String getFileTypeId()

Description copied from interface: IOServiceProvider

Get a unique id for this file type.

Returns:

registered id of the file type

See Also:

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

getFileTypeDescription

public String getFileTypeDescription()

Description copied from interface: IOServiceProvider

Get a human-readable description for this file type.

Returns:

description of the file type

See Also:

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

open

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

Open existing file, and populate ncfile with it.

Specified by:

open in interface IOServiceProvider

Overrides:

open in class AbstractIOServiceProvider

Parameters:

raf - the file to work on, it has already passed the isValidFile() test.

ncfile - add objects to this NetcdfFile

cancelTask - used to monito user cancellation; may be null.

Throws:

IOException

readData

public Array readData(Variable v2,
                      Section wantSection)
               throws IOException,
                      InvalidRangeException

Read data from a top level Variable and return a memory resident Array. This Array has the same element type as the Variable, and the requested shape.

Parameters:

v2 - a top-level Variable

wantSection - List of type Range specifying the section of data to read. There must be a Range for each Dimension in the variable, in order. Note: no nulls.

Returns:

the requested data in a memory-resident Array

Throws:

IOException

InvalidRangeException

See Also:

Range

close

public void close()
           throws IOException

Close the file. It is the IOServiceProvider's job to close the file (even though it didnt open it), and to free any other resources it has used.

Specified by:

close in interface IOServiceProvider

Overrides:

close in class AbstractIOServiceProvider

Throws:

IOException