Package net.sf.basedb.util.formatter

Class CollectionFormatter<I>

java.lang.Object

net.sf.basedb.util.formatter.CollectionFormatter<I>

All Implemented Interfaces:

Formatter<Collection<I>>

public class CollectionFormatter<I>
extends Object
implements Formatter<Collection<I>>

Formatter implementation that formats a collection of values to a string by concatenating the values with a given separator. Reverse parsing is not supported.

Since:

3.16

Author:

nicklas

Field Summary

Fields

Modifier and Type	Field	Description
private final Formatter<? super I>	parent
private final String	separator
private final boolean	skipNull

Constructor Summary

Constructors

Constructor	Description
CollectionFormatter(String separator, boolean skipNull, Formatter<? super I> parent)
CollectionFormatter(Formatter<? super I> parent)	Create a collection formatting using ", " as separator and skipping null values.

Method Summary

Modifier and Type	Method	Description
String	format(Collection<I> values)	Format a value by converting it to a string.
Collection<I>	parseString(String value)	Parse a string and return a value of the correct type.

Methods inherited from class java.lang.Object

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

Field Details

parent

private final Formatter<? super I> parent

separator

private final String separator

skipNull

private final boolean skipNull

Constructor Details

CollectionFormatter

public CollectionFormatter(Formatter<? super I> parent)

Create a collection formatting using ", " as separator and skipping null values.

CollectionFormatter

public CollectionFormatter(String separator,
 boolean skipNull,
 Formatter<? super I> parent)

Method Details

format

public String format(Collection<I> values)

Description copied from interface: Formatter

Format a value by converting it to a string.

Specified by:

format in interface Formatter<I>

Parameters:

values - The value to format

Returns:

A formatted string

parseString

public Collection<I> parseString(String value)

Description copied from interface: Formatter

Parse a string and return a value of the correct type. A null input string should (unless otherwise documented by a specific formatter implementation) be allowed and may return null or any other "default" value.

Specified by:

parseString in interface Formatter<I>

Parameters:

value - The string to parse

Returns:

An object