Package ucar.nc2.grib.grib2

Class Grib2RecordScanner

java.lang.Object

ucar.nc2.grib.grib2.Grib2RecordScanner

public class Grib2RecordScanner
extends Object

Scan raf for grib-2 messages

Since:

3/28/11

Constructor Summary

Constructors

Constructor	Description
Grib2RecordScanner(ucar.unidata.io.RandomAccessFile raf)

Method Summary

Modifier and Type	Method	Description
static Grib2Record	findRecordByDrspos(ucar.unidata.io.RandomAccessFile raf, long drsPos)	tricky bit of business.
boolean	hasNext()
static boolean	isValidFile(ucar.unidata.io.RandomAccessFile raf)
Grib2Record	next()

Methods inherited from class java.lang.Object

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

Constructor Detail

Grib2RecordScanner

public Grib2RecordScanner(ucar.unidata.io.RandomAccessFile raf)
                   throws IOException

Throws:

IOException

Method Detail

isValidFile

public static boolean isValidFile(ucar.unidata.io.RandomAccessFile raf)

findRecordByDrspos

@Nullable
public static Grib2Record findRecordByDrspos(ucar.unidata.io.RandomAccessFile raf,
                                             long drsPos)
                                      throws IOException

tricky bit of business. recapture the entire record based on drs position. for validation.

Parameters:

raf - from this RandomAccessFile

drsPos - Grib2SectionDataRepresentation starts here

Throws:

IOException

hasNext

public boolean hasNext()
                throws IOException

Throws:

IOException

next

public Grib2Record next()
                 throws IOException

Throws:

IOException