berlin.yuna.logic

Class CsvReader

java.lang.Object

berlin.yuna.logic.CsvReader

public class CsvReader
extends Object

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CsvReader()

Method Summary

Modifier and Type	Method and Description
boolean	autoSep()
CsvReader	autoSep(boolean autoSep)
Charset	charset()
CsvReader	charset(Charset charset)
void	consume(Path file, Consumer<CsvIndexRow> consumer)
static CsvReader	csvReader()
List<CsvRow>	readAllRows(Path file)
char[]	separator()
CsvReader	separator(char... separator)
long	skipLines()
CsvReader	skipLines(long skipLines)
Stream<CsvRow>	stream(Path file) 'Stream<CsvRow>' must be closed with 'try'-with-resources statement
boolean	unzip()
CsvReader	unzip(boolean unzip)

Methods inherited from class java.lang.Object

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

Constructor Detail

CsvReader

protected CsvReader()

Method Detail

consume

public void consume(Path file,
                    Consumer<CsvIndexRow> consumer)

Parameters:

file - the path to the file - or path to a resource

consumer - consumes row

readAllRows

public List<CsvRow> readAllRows(Path file)

Parameters:

file - the path to the file - or path to a resource

Returns:

the CsvRow from the file as a Stream

stream

public Stream<CsvRow> stream(Path file)

'Stream<CsvRow>' must be closed with 'try'-with-resources statement

The returned stream encapsulates a Reader. If timely disposal of file system resources is required, the try-with-resources construct should be used to ensure that the stream's close method is invoked after the stream operations are completed.
See example: readAllRows(Path)

Parameters:

file - the path to the file - or path to a resource

Returns:

the CsvRow from the file as a Stream

csvReader

public static CsvReader csvReader()

Returns:

new configurable CsvReader

separator

public char[] separator()

Returns:

separator to use for splitting the csv row

separator

public CsvReader separator(char... separator)

Parameters:

separator - Splits the CSV rows at the given separator
Included fallback: [',']

Returns:

self [CsvReader]

autoSep

public boolean autoSep()

Returns:

On true detects the separator automatically

autoSep

public CsvReader autoSep(boolean autoSep)

Parameters:

autoSep - - On true detects the separator automatically

Returns:

self [CsvReader]

unzip

public boolean unzip()

Returns:

On true detects and unzips the CSV file automatically

unzip

public CsvReader unzip(boolean unzip)

Parameters:

unzip - - On true detects and unzips the CSV file automatically

Returns:

self [CsvReader]

charset

public Charset charset()

Returns:

The charset to use for decoding the CSV file

charset

public CsvReader charset(Charset charset)

Parameters:

charset - The charset to use for decoding the CSV file

Returns:

self [CsvReader]

skipLines

public long skipLines()

Returns:

lines to skip while reading csv

skipLines

public CsvReader skipLines(long skipLines)

Parameters:

skipLines - lines to skip while reading csv

Returns:

self [CsvReader]