Class StrLookup.MapStrLookup<V>

java.lang.Object

org.apache.commons.text.StrLookup<V>

org.apache.commons.text.StrLookup.MapStrLookup<V>

Type Parameters:

V - the type of the values supported by the lookup

All Implemented Interfaces:

Function<String,String>, UnaryOperator<String>, StringLookup

Enclosing class:

StrLookup<V>

private static final class StrLookup.MapStrLookup<V>
extends StrLookup<V>

Lookup implementation that uses a Map.

Since:

1.0

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,V>	map	Map keys are variable names and value.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MapStrLookup(Map<String,V> map)	Creates a new instance backed by a Map.

Method Summary

Modifier and Type	Method	Description
String	lookup(String key)	Looks up a String key to a String value using the map.
String	toString()

Methods inherited from class StrLookup

mapLookup, noneLookup, resourceBundleLookup, systemPropertiesLookup

Methods inherited from class Object

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

Methods inherited from interface Function

andThen, compose

Methods inherited from interface StringLookup

apply

Field Details

map

private final Map<String,V> map

Map keys are variable names and value.

Constructor Details

MapStrLookup

private MapStrLookup(Map<String,V> map)

Creates a new instance backed by a Map.

Parameters:

map - the map of keys to values, may be null

Method Details

lookup

public String lookup(String key)

Looks up a String key to a String value using the map.

If the map is null, then null is returned. The map result object is converted to a string using toString().

Parameters:

key - the key to be looked up, may be null

Returns:

The matching value, null if no match

toString

public String toString()

Overrides:

toString in class Object