Package net.sf.basedb.util.parser

Class ColumnMapper

java.lang.Object

net.sf.basedb.util.parser.ColumnMapper

All Implemented Interfaces:

Mapper

public class ColumnMapper
extends Object
implements Mapper

Returns the string found in the column given by the index set in the constructor. If the index is larger than the number of columns, an empty string is returned.

Version:

2.0

Author:

nicklas

Last modified

$Date: 2019-04-11 09:31:26 +0200 (tors, 11 apr. 2019) $

Field Summary

Fields

Modifier and Type	Field	Description
private Formatter<Date>	dateParser
private int	index
private String	name
private boolean	nullIfException
private NumberFormat	parser

Constructor Summary

Constructors

Constructor	Description
ColumnMapper(int index, String name)	Create a new column mapper.
ColumnMapper(int index, String name, NumberFormat parser, boolean nullIfException)	Deprecated. In 3.15, use ColumnMapper(int, String, NumberFormat, Formatter, boolean) instead
ColumnMapper(int index, String name, NumberFormat parser, Formatter<Date> dateParser, boolean nullIfException)	Create a new column mapper using a specific number or date format.

Method Summary

Modifier and Type	Method	Description
Date	getDate(FlatFileParser.Data data)	Get the value for the line of data as a date.
Double	getDouble(FlatFileParser.Data data)	Get the value for the line of data as a double.
Float	getFloat(FlatFileParser.Data data)	Get the value for the line of data as a float.
Integer	getInt(FlatFileParser.Data data)	Get the value for the line of data as an integer.
Long	getLong(FlatFileParser.Data data)	Get the value for the line of data as a long.
String	getString(FlatFileParser.Data data)	Get the value for the line of data as a string.
String	getValue(FlatFileParser.Data data)	Deprecated.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.basedb.util.parser.Mapper

getByType

Field Details

index

private final int index

name

private final String name

parser

private final NumberFormat parser

dateParser

private final Formatter<Date> dateParser

nullIfException

private final boolean nullIfException

Constructor Details

ColumnMapper

public ColumnMapper(int index,
String name)

Create a new column mapper.

Parameters:

index - The index of the data column to use, starting at 0

name - An optional name of the column, use in the toString method

ColumnMapper

@Deprecated
public ColumnMapper(int index,
String name,
NumberFormat parser,
boolean nullIfException)

Deprecated.

In 3.15, use ColumnMapper(int, String, NumberFormat, Formatter, boolean) instead

Create a new column mapper using a specific number format.

Parameters:

index - The index of the data column to use, starting at 0

name - An optional name of the column, use in the toString method

nullIfException - If TRUE, the mapper returns null for unparsable numeric values, otherwise an excption is thrown

parser - The parser to use or null to use Double.valueOf()

Since:

2.4

ColumnMapper

public ColumnMapper(int index,
String name,
NumberFormat parser,
Formatter<Date> dateParser,
boolean nullIfException)

Create a new column mapper using a specific number or date format.

Parameters:

index - The index of the data column to use, starting at 0

name - An optional name of the column, use in the toString method

nullIfException - If TRUE, the mapper returns null for unparsable numeric values, otherwise an excption is thrown

parser - The parser to use for numeric values or null to use Double.valueOf()

dateParser - The parser to use for date values

Since:

3.15

Method Details

getValue

@Deprecated
public String getValue(FlatFileParser.Data data)

Deprecated.

Description copied from interface: Mapper

Get the value for the line of data.

Specified by:

getValue in interface Mapper

Parameters:

data - The line of data

Returns:

A string value

getString

public String getString(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as a string.

Specified by:

getString in interface Mapper

Parameters:

data - The line of data

Returns:

A string value

getInt

public Integer getInt(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as an integer.

Specified by:

getInt in interface Mapper

Parameters:

data - The line of data

Returns:

The value as an integer

getLong

public Long getLong(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as a long.

Specified by:

getLong in interface Mapper

Parameters:

data - The line of data

Returns:

The value as an long

getFloat

public Float getFloat(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as a float.

Specified by:

getFloat in interface Mapper

Parameters:

data - The line of data

Returns:

The value as a float

getDouble

public Double getDouble(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as a double.

Specified by:

getDouble in interface Mapper

Parameters:

data - The line of data

Returns:

The value as a double

getDate

public Date getDate(FlatFileParser.Data data)

Description copied from interface: Mapper

Get the value for the line of data as a date.

Specified by:

getDate in interface Mapper

Parameters:

data - The line of data

Returns:

The value as a date

toString

public String toString()

Overrides:

toString in class Object