net.sf.basedb.util.parser
Class ConstantMapper

java.lang.Object
  net.sf.basedb.util.parser.ConstantMapper

All Implemented Interfaces:

Mapper

public class ConstantMapper
extends Object
implements Mapper

A constant string mapper. The getValue() always return the same string which is set in the contructor.

Version:

2.0

Author:

nicklas

Last modified

$Date: 2010-08-13 10:50:27 +0200 (Fri, 13 Aug 2010) $

Field Summary

private Float	asFloat
private Integer	asInteger
private String	constant
private boolean	needToParseNumeric
private boolean	nullIfException
private NumberFormatException	parseException
private NumberFormat	parser

Constructor Summary

ConstantMapper(Float constant)

ConstantMapper(Integer constant)

ConstantMapper(String constant)
Create a constant mapper.

ConstantMapper(String constant, NumberFormat parser)
Deprecated. Use ConstantMapper(String, NumberFormat, boolean)

ConstantMapper(String constant, NumberFormat parser, boolean nullIfException)
Create a constant mapper using a specific number formatter as it's parser.

Method Summary

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.
String	getValue(FlatFileParser.Data data) Get the value for the line of data.
private void	parseNumeric()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

constant

private final String constant

parser

private final NumberFormat parser

nullIfException

private final boolean nullIfException

needToParseNumeric

private boolean needToParseNumeric

asFloat

private Float asFloat

asInteger

private Integer asInteger

parseException

private NumberFormatException parseException

Constructor Detail

ConstantMapper

public ConstantMapper(String constant)

Create a constant mapper.

Parameters:

constant - The constant expression.

ConstantMapper

public ConstantMapper(String constant,
                      NumberFormat parser)

Deprecated. Use ConstantMapper(String, NumberFormat, boolean)

Create a constant mapper using a specific number formatter as it's parser.

Parameters:

constant - The constant expression

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

Since:

2.2

ConstantMapper

public ConstantMapper(String constant,
                      NumberFormat parser,
                      boolean nullIfException)

Create a constant mapper using a specific number formatter as it's parser.

Parameters:

constant - The constant expression

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

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

Since:

2.4

ConstantMapper

public ConstantMapper(Integer constant)

ConstantMapper

public ConstantMapper(Float constant)

Method Detail

getValue

public String getValue(FlatFileParser.Data data)

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:

The string set in the constructor

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

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

toString

public String toString()

Overrides:

toString in class Object

parseNumeric

private void parseNumeric()