org.supercsv.io

Class AbstractTokenizer

java.lang.Object

org.supercsv.io.AbstractTokenizer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, ITokenizer

Direct Known Subclasses:

Tokenizer

public abstract class AbstractTokenizer
extends java.lang.Object
implements ITokenizer

Defines the standard behaviour of a Tokenizer. Extend this class if you want the line-reading functionality of the default Tokenizer, but want to define your own implementation of ITokenizer.readColumns(List).

Since:

2.0.0

Constructor Summary

Constructors

Constructor and Description
AbstractTokenizer(java.io.Reader reader, CsvPreference preferences) Constructs a new AbstractTokenizer, which reads the CSV file, line by line.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the underlying reader.
int	getLineNumber() Gets the line number currently being tokenized (the first line is line 1).

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.supercsv.io.ITokenizer

getUntokenizedRow, readColumns

Constructor Detail

AbstractTokenizer

public AbstractTokenizer(java.io.Reader reader,
                         CsvPreference preferences)

Constructs a new AbstractTokenizer, which reads the CSV file, line by line.

Parameters:

reader - the reader

preferences - the CSV preferences

Throws:

java.lang.NullPointerException - if reader or preferences is null

Method Detail

close

public void close()
           throws java.io.IOException

Closes the underlying reader.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

getLineNumber

public int getLineNumber()

Gets the line number currently being tokenized (the first line is line 1). This number increments at every line terminator as the data is read, i.e. it will be

• 0, if ITokenizer.readColumns(List) hasn't been called yet
• 1, when the first line is being read/tokenized
• 2, when the second line is being read/tokenized

Specified by:

getLineNumber in interface ITokenizer

Returns:

the line number currently being tokenized