com.elasticpath.persistence
Interface CsvFileReader

All Known Implementing Classes:

CsvFileReaderImpl

public interface CsvFileReader

Represent a csv file reader and writer.

Method Summary

void	close() Close the csv file.
java.util.List	getTopLines(int lines) Read the top lines with the give number.
void	open(java.lang.String csvFileName) Open a csv file.
void	open(java.lang.String csvFileName, char colDelimeter, char textQualifier) Open a csv file with the given column delimeter and text qualifier.
java.lang.String[]	readNext() Read the next line.

Method Detail

close

void close()
           throws EpPersistenceException

Close the csv file.

Throws:

EpPersistenceException - in case of any IO error happens

getTopLines

java.util.List getTopLines(int lines)
                           throws EpPersistenceException

Read the top lines with the give number. Notice: the file read cursor is moved to the line right after lines read.

Parameters:

lines - the number of lines to read

Returns:

a list contains top lines with the give number.

Throws:

EpPersistenceException - in case of error

open

void open(java.lang.String csvFileName)
          throws EpPersistenceException

Open a csv file.

Parameters:

csvFileName - the csv file name

Throws:

EpPersistenceException - if the given file doesn't exist

open

void open(java.lang.String csvFileName,
          char colDelimeter,
          char textQualifier)
          throws EpPersistenceException

Open a csv file with the given column delimeter and text qualifier.

Parameters:

csvFileName - the csv file name

colDelimeter - the column delimeter

textQualifier - the text qualifer

Throws:

EpPersistenceException - if the given file doesn't exist

readNext

java.lang.String[] readNext()
                            throws EpPersistenceException

Read the next line.

Returns:

the next line if it's available, otherwise null at the end of file

Throws:

EpPersistenceException - in case of any IO error happens