tech.tablesaw.columns

Class StringParser<T>

java.lang.Object

tech.tablesaw.columns.StringParser<T>

Type Parameters:

T - The Class of object to be inserted: String for StringColumn, LocalDate for DateColumn, etc.

Direct Known Subclasses:

BooleanStringParser, DateStringParser, DateTimeStringParser, DoubleStringParser, StringStringParser, TimeStringParser

public abstract class StringParser<T>
extends Object

A parser for turning strings into objects that can be inserted into a column It serves two purposes, to determine if a string can be parsed into the desired object type, and to actually parse the string. Implementations may take additional parameters such as a locale or DateTimeFormatter.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<String>	missingValueStrings

Constructor Summary

Constructors

Constructor and Description
StringParser(ColumnType columnType)

Method Summary

Modifier and Type	Method and Description
abstract boolean	canParse(String s)
ColumnType	columnType()
protected boolean	isMissing(String s)
abstract T	parse(String s)
byte	parseByte(String s)
double	parseDouble(String s)

Methods inherited from class java.lang.Object

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

Field Detail

missingValueStrings

protected List<String> missingValueStrings

Constructor Detail

StringParser

public StringParser(ColumnType columnType)

Method Detail

canParse

public abstract boolean canParse(String s)

parse

public abstract T parse(String s)

columnType

public ColumnType columnType()

isMissing

protected boolean isMissing(String s)

parseByte

public byte parseByte(String s)

parseDouble

public double parseDouble(String s)