org.apache.struts2.config
Class DelegatingSettings

java.lang.Object
  org.apache.struts2.config.Settings
      org.apache.struts2.config.DelegatingSettings

 class DelegatingSettings
extends Settings

DelegatingSettings stores an internal list of Settings objects to update settings or retrieve settings values.

Each time a Settings method is called (get, set, list, and so forth), this class goes through the list of Settings objects and calls that method for each delegate, withholding any exception until all delegates have been called.

Field Summary

(package private) Settings[]

delegates The Settings objects.

Fields inherited from class org.apache.struts2.config.Settings

defaultImpl, locale, settingsImpl

Constructor Summary

DelegatingSettings(Settings[] delegates)
Creates a new DelegatingSettings object utilizing the list of Settings objects.

Method Summary

String	getImpl(String name) Implements the Settings.get(String) method.
boolean	isSetImpl(String aName) Implements the Settings.isSet(String) method.
Iterator	listImpl() Implements the Settings.list() method.
void	setImpl(String name, String value) Implements the Settings.set(String, String) method.

Methods inherited from class org.apache.struts2.config.Settings

get, getInstance, getLocale, getLocation, getLocationImpl, isSet, list, reset, set, setInstance

Methods inherited from class java.lang.Object

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

Field Detail

delegates

Settings[] delegates

The Settings objects.

Constructor Detail

DelegatingSettings

public DelegatingSettings(Settings[] delegates)

Creates a new DelegatingSettings object utilizing the list of Settings objects.

Parameters:

delegates - The Settings objects to use as delegates

Method Detail

setImpl

public void setImpl(String name,
                    String value)
             throws IllegalArgumentException,
                    UnsupportedOperationException

Description copied from class: Settings

Implements the Settings.set(String, String) method.

Overrides:

setImpl in class Settings

Parameters:

name - Identifer for the setting to change.

value - The new value for the setting.

Throws:

IllegalArgumentException - if an error occurs when setting the value.

UnsupportedOperationException - if the config implementation does not support setting values.

See Also:

Settings.set(String, String)

getImpl

public String getImpl(String name)
               throws IllegalArgumentException

Description copied from class: Settings

Implements the Settings.get(String) method.

Overrides:

getImpl in class Settings

Parameters:

name - The name of the setting value to retreive

Returns:

The setting value as a String

Throws:

IllegalArgumentException - if an error occurs when retrieving the value

See Also:

Settings.get(String)

isSetImpl

public boolean isSetImpl(String aName)

Description copied from class: Settings

Implements the Settings.isSet(String) method.

Overrides:

isSetImpl in class Settings

Parameters:

aName - Identifier for the setting value to change

Returns:

True if the setting exists and has a value, false otherwise.

See Also:

Settings.isSet(String)

listImpl

public Iterator listImpl()

Description copied from class: Settings

Implements the Settings.list() method.

Overrides:

listImpl in class Settings

Returns:

A list of the settings as an iterator

See Also:

Settings.list()