程序包 org.meteoinfo.data.meteodata.bufr

类 BufrDataInfo

java.lang.Object

org.meteoinfo.data.meteodata.bufr.BufrDataInfo

public class BufrDataInfo
extends Object

作者:

Yaqiang Wang

字段概要

字段

修饰符和类型	字段	说明
protected static int[]	BIT_MASK

构造器概要

构造器

构造器	说明
BufrDataInfo()

方法概要

修饰符和类型	方法	说明
void	closeDataFile()	Close the data file created by previos step
void	createDataFile(String fileName)	Create Bufr binary data file
ucar.nc2.iosp.bufr.Message	readFirstMessage(String fileName)	Read first message
List<ucar.nc2.iosp.bufr.Message>	readMessages(String fileName)	Read Messages
void	reWriteDataSectionHead(int len)	Write data section head
void	reWriteIndicatorSection(int bufrLength, int edition)	Write indicator section
protected static void	setBit(int bit, byte[] bytes)
byte[]	toByteArray(BitSet bs)
int	write(int value, int nbits)	Write a int value
int	write(String des, int value)	Write a int value
int	write(List<Integer> values, List<Integer> nbits)	Write int values
int	writeDataDescriptionSection(int ndatasets, int datatype, List<String> descriptors)	Write data description section
int	writeDataSectionHead(int len)	Write data section head
int	writeEndSection()	Write end section
int	writeIdentificationSection(int len, int master_table, int subcenter_id, int center_id, int update_sequence, int optional, int category, int sub_category, int master_table_version, int local_table_version, int year, int month, int day, int hour, int minute)	Write identification section
int	writeIndicatorSection(int bufrLength, int edition)	Write indicator section

从类继承的方法 java.lang.Object

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

字段详细资料

BIT_MASK

protected static int[] BIT_MASK

构造器详细资料

BufrDataInfo

public BufrDataInfo()

方法详细资料

readFirstMessage

public ucar.nc2.iosp.bufr.Message readFirstMessage(String fileName)
                                            throws FileNotFoundException,
                                                   IOException

Read first message

参数:

fileName - Bufr File Name

返回:

First message

抛出:

FileNotFoundException

IOException

readMessages

public List<ucar.nc2.iosp.bufr.Message> readMessages(String fileName)
                                              throws IOException

Read Messages

参数:

fileName - Bufr file name

返回:

Messages

抛出:

IOException

createDataFile

public void createDataFile(String fileName)

Create Bufr binary data file

参数:

fileName - File name

closeDataFile

public void closeDataFile()

Close the data file created by previos step

writeIndicatorSection

public int writeIndicatorSection(int bufrLength,
                                 int edition)
                          throws IOException

Write indicator section

参数:

bufrLength - The total length of the message

edition - Bufr edition

返回:

Indicator section length

抛出:

IOException

reWriteIndicatorSection

public void reWriteIndicatorSection(int bufrLength,
                                    int edition)
                             throws IOException

Write indicator section

参数:

bufrLength - The total length of the message

edition - Bufr edition

抛出:

IOException

writeIdentificationSection

public int writeIdentificationSection(int len,
                                      int master_table,
                                      int subcenter_id,
                                      int center_id,
                                      int update_sequence,
                                      int optional,
                                      int category,
                                      int sub_category,
                                      int master_table_version,
                                      int local_table_version,
                                      int year,
                                      int month,
                                      int day,
                                      int hour,
                                      int minute)
                               throws IOException

Write identification section

参数:

len - Section length

master_table - Master table

subcenter_id - Subcenter id

center_id - Center id

update_sequence - Update sequency

optional - Optional

category - Category

sub_category - Sub category

master_table_version - Master table version

local_table_version - Local table version

year - Year

month - Month

day - Day

hour - Hour

minute - Minute

返回:

Section length

抛出:

IOException

writeDataDescriptionSection

public int writeDataDescriptionSection(int ndatasets,
                                       int datatype,
                                       List<String> descriptors)
                                throws IOException

Write data description section

参数:

ndatasets - Number of datasets

datatype - Data type

descriptors - Data descriptors

返回:

Section length

抛出:

IOException

writeDataSectionHead

public int writeDataSectionHead(int len)
                         throws IOException

Write data section head

参数:

len - Length

返回:

Data section head length

抛出:

IOException

reWriteDataSectionHead

public void reWriteDataSectionHead(int len)
                            throws IOException

Write data section head

参数:

len - Length

抛出:

IOException

write

public int write(int value,
                 int nbits)
          throws IOException

Write a int value

参数:

value - Value

nbits - bit number

返回:

Data length

抛出:

IOException

write

public int write(String des,
                 int value)
          throws IOException

Write a int value

参数:

value - Value

des - Data descriptor string

返回:

Data length

抛出:

IOException

write

public int write(List<Integer> values,
                 List<Integer> nbits)
          throws IOException

Write int values

参数:

values - Values

nbits - bit numbers

返回:

Data length

抛出:

IOException

toByteArray

public byte[] toByteArray(BitSet bs)

setBit

protected static void setBit(int bit,
                             byte[] bytes)

writeEndSection

public int writeEndSection()
                    throws IOException

Write end section

返回:

End section length

抛出:

IOException