io.netty.util

Class DomainNameMapping<V>

java.lang.Object

io.netty.util.DomainNameMapping<V>

All Implemented Interfaces:

Mapping<String,V>

public class DomainNameMapping<V>
extends Object
implements Mapping<String,V>

Maps a domain name to its associated value object.

DNS wildcard is supported as hostname, so you can use *.netty.io to match both netty.io and downloads.netty.io.

Constructor Summary

Constructors

Constructor and Description
DomainNameMapping(int initialCapacity, V defaultValue) Creates a default, order-sensitive mapping.
DomainNameMapping(V defaultValue) Creates a default, order-sensitive mapping.

Method Summary

Methods

Modifier and Type	Method and Description
DomainNameMapping<V>	add(String hostname, V output) Adds a mapping that maps the specified (optionally wildcard) host name to the specified output value.
V	map(String input) Returns mapped value of the specified input.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DomainNameMapping

public DomainNameMapping(V defaultValue)

Creates a default, order-sensitive mapping. If your hostnames are in conflict, the mapping will choose the one you add first.

Parameters:

defaultValue - the default value for map(String) to return when nothing matches the input

DomainNameMapping

public DomainNameMapping(int initialCapacity,
                 V defaultValue)

Creates a default, order-sensitive mapping. If your hostnames are in conflict, the mapping will choose the one you add first.

Parameters:

initialCapacity - initial capacity for the internal map

defaultValue - the default value for map(String) to return when nothing matches the input

Method Detail

add

public DomainNameMapping<V> add(String hostname,
                       V output)

Adds a mapping that maps the specified (optionally wildcard) host name to the specified output value.

DNS wildcard is supported as hostname. For example, you can use *.netty.io to match netty.io and downloads.netty.io.

Parameters:

hostname - the host name (optionally wildcard)

output - the output value that will be returned by map(String) when the specified host name matches the specified input host name

map

public V map(String input)

Description copied from interface: Mapping

Returns mapped value of the specified input.

Specified by:

map in interface Mapping<String,V>

toString

public String toString()

Overrides:

toString in class Object