Package net.sf.basedb.util.parser

Class CompoundMapper

java.lang.Object

net.sf.basedb.util.parser.CompoundMapper

All Implemented Interfaces:

Mapper

public class CompoundMapper
extends Object
implements Mapper

A compound mapper that gets its value by invoking multiple other mappers which are set in the constructor. This type of mapper is used to combine constant strings with column values.

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 List<Mapper>	mappers
private boolean	nullIfException
private NumberFormat	parser

Constructor Summary

Constructors

Constructor	Description
CompoundMapper(List<Mapper> mappers)	Create a new compound mapper.
CompoundMapper(List<Mapper> mappers, NumberFormat parser, boolean nullIfException)	Create a new compound mapper, using a specific number formatter as it's parser.
CompoundMapper(List<Mapper> mappers, NumberFormat parser, Formatter<Date> dateParser, boolean nullIfException)	Create a new compound mapper, using a specific number formatter as it's parser.

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 a value by invoking each mapper in the order they appear in the list and concatenating the result.
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

mappers

private final List<Mapper> mappers

parser

private final NumberFormat parser

dateParser

private final Formatter<Date> dateParser

nullIfException

private final boolean nullIfException

Constructor Details

CompoundMapper

public CompoundMapper(List<Mapper> mappers)

Create a new compound mapper.

Parameters:

mappers - A list of other mappers that will be invoked in the order they appear in the list

CompoundMapper

public CompoundMapper(List<Mapper> mappers,
NumberFormat parser,
boolean nullIfException)

Create a new compound mapper, using a specific number formatter as it's parser.

Parameters:

mappers - A list of other mappers that will be invoked in the order they appear in the list

parser - The number format to use or null to use Float.valueOf()

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

Since:

2.4

CompoundMapper

public CompoundMapper(List<Mapper> mappers,
NumberFormat parser,
Formatter<Date> dateParser,
boolean nullIfException)

Create a new compound mapper, using a specific number formatter as it's parser.

Parameters:

mappers - A list of other mappers that will be invoked in the order they appear in the list

parser - The date format to use

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

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)

Get a value by invoking each mapper in the order they appear in the list and concatenating the result.

Specified by:

getString in interface Mapper

Parameters:

data - The line of data

Returns:

The concatenated 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