AbstractColumnParser (tablesaw-core 0.44.2 API)

java.lang.Object
- tech.tablesaw.columns.AbstractColumnParser<T>

Type Parameters:

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

Direct Known Subclasses:

BooleanParser, DateParser, DateTimeParser, DoubleParser, FloatParser, InstantParser, IntParser, LongParser, ShortParser, StringParser, TimeParser
```
public abstract class AbstractColumnParser<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 Description

protected List<String> missingValueStrings

Constructor Summary

Constructors
Constructor Description

AbstractColumnParser(ColumnType columnType)

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract boolean`	`canParse(String s)`
`ColumnType`	`columnType()`
`boolean`	`isMissing(String s)`
`abstract T`	`parse(String s)`
`byte`	`parseByte(String s)`
`double`	`parseDouble(String s)`
`float`	`parseFloat(String s)`
`int`	`parseInt(String s)`
`long`	`parseLong(String s)`
`short`	`parseShort(String s)`
`protected static String`	`remove(String str, char remove)`
`void`	`setMissingValueStrings(List<String> missingValueStrings)`

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

AbstractColumnParser

public AbstractColumnParser(ColumnType columnType)

Method Detail

canParse

public abstract boolean canParse(String s)

parse
```
public abstract T parse(String s)
```

columnType
```
public ColumnType columnType()
```

isMissing

public boolean isMissing(String s)

parseByte
```
public byte parseByte(String s)
```

parseInt
```
public int parseInt(String s)
```

parseShort
```
public short parseShort(String s)
```

parseLong
```
public long parseLong(String s)
```

parseDouble

public double parseDouble(String s)

parseFloat
```
public float parseFloat(String s)
```

remove

protected static String remove(String str,
                               char remove)

setMissingValueStrings

public void setMissingValueStrings(List<String> missingValueStrings)