org.osgl.inject.loader

Class ConfigurationValueLoader<T>

java.lang.Object

org.osgl.inject.ValueLoader.Base<T>

org.osgl.inject.loader.ConfigurationValueLoader<T>

All Implemented Interfaces:

javax.inject.Provider<T>, ValueLoader<T>

public abstract class ConfigurationValueLoader<T>
extends ValueLoader.Base<T>

Load value from configuration source

Nested Class Summary

Nested classes/interfaces inherited from interface org.osgl.inject.ValueLoader

ValueLoader.Base<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected String	defaultValue

Fields inherited from class org.osgl.inject.ValueLoader.Base

options, spec

Constructor Summary

Constructors

Constructor and Description
ConfigurationValueLoader()

Method Summary

Modifier and Type	Method and Description
protected abstract Object	conf(String key, String defaultValue) Return whatever configured by key
protected String	defaultValue() Returns the default value set to @Configuration
T	get() Provide element data to be loaded using the options and bean spec initialized by ValueLoader.init(Map, BeanSpec).
protected void	initialized() Extend class can do further configuration here with all information of options and bean spec has been set.

Methods inherited from class org.osgl.inject.ValueLoader.Base

init, value

Methods inherited from class java.lang.Object

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

Field Detail

defaultValue

protected String defaultValue

Constructor Detail

ConfigurationValueLoader

public ConfigurationValueLoader()

Method Detail

initialized

protected void initialized()

Description copied from class: ValueLoader.Base

Extend class can do further configuration here with all information of options and bean spec has been set.

Overrides:

initialized in class ValueLoader.Base<T>

get

public T get()

Description copied from interface: ValueLoader

Provide element data to be loaded using the options and bean spec initialized by ValueLoader.init(Map, BeanSpec).

Returns:

an Iterable of elements

defaultValue

protected final String defaultValue()

Returns the default value set to @Configuration

Returns:

default value

conf

protected abstract Object conf(String key,
                               String defaultValue)

Return whatever configured by key

Parameters:

key - the configuration key

defaultValue - the default value

Returns:

the configured value