Package de.agilecoders.wicket.jquery

Class ConfigWithFallback

java.lang.Object

de.agilecoders.wicket.jquery.CombinableConfig

de.agilecoders.wicket.jquery.ConfigWithFallback

All Implemented Interfaces:

Config, Serializable, IClusterable

public class ConfigWithFallback
extends CombinableConfig

special config that holds two configurations. One base configuration and a fallback configuration.

Author:

Michael Haitz

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ConfigWithFallback(Config base, Config fallback)	Construct.

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	all()
<T> boolean	contains(IKey<T> key)	returns true if given key is set to this config
<T> T	get(IKey<T> key)	returns the value for the given key.
boolean	isEmpty()
<T> ConfigWithFallback	put(IKey<T> key, T value)	puts a new config to the configuration map.
<T> T	remove(IKey<T> key)	removes the given key (and its value) from configuration map.
String	toJsonString()

Methods inherited from class de.agilecoders.wicket.jquery.CombinableConfig

combine, withFallback

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigWithFallback

public ConfigWithFallback(Config base,
                          Config fallback)

Construct.

Parameters:

base - base configuration

fallback - fallback configuration

Method Detail

toJsonString

public String toJsonString()

Returns:

json string representation of this config

all

public Map<String,Object> all()

Returns:

an immutable map of all key/values

isEmpty

public boolean isEmpty()

Returns:

true, if config map is empty or all keys uses their default value

put

public <T> ConfigWithFallback put(IKey<T> key,
                                  T value)

Description copied from interface: Config

puts a new config to the configuration map. If given value is default value of key then it will be removed. This is necessary to keep the ui code small and clean. Also the given value type will be asserted by IKey implementation.

Parameters:

key - mandatory parameter

value - mandatory parameter

Returns:

same instance for chaining

remove

public <T> T remove(IKey<T> key)

Description copied from interface: Config

removes the given key (and its value) from configuration map.

Parameters:

key - the key to remove

get

public <T> T get(IKey<T> key)

Description copied from interface: Config

returns the value for the given key. If no value is set, the default value will be returned.

Parameters:

key - The key to read.

Returns:

the value.

contains

public <T> boolean contains(IKey<T> key)

Description copied from interface: Config

returns true if given key is set to this config

Parameters:

key - The key to check.

Returns:

true if key exists.