Package de.simonkerstan.ee.core.configuration

Class DefaultConfiguration

java.lang.Object

de.simonkerstan.ee.core.configuration.DefaultConfiguration

All Implemented Interfaces:

Configuration

public final class DefaultConfiguration
extends Object
implements Configuration

Default configuration implementation.

FOR INTERNAL USE ONLY. THE API CAN CHANGE AT ANY TIME.

Constructor Summary

Constructors

Constructor	Description
DefaultConfiguration(String[] args)	Create a new configuration instance.

Method Summary

Modifier and Type	Method	Description
void	addConfigurationProvider(ConfigurationProvider provider)	Add a configuration provider.
<T> Optional<T>	getPropertyValue(String propertyName, Class<T> type)	Get the value of a configuration property.
<T> T	getPropertyValue(String propertyName, Class<T> type, T defaultValue)	Get the value of a configuration property.
<T> T	getRequiredPropertyValue(String propertyName, Class<T> type)	Get a required value of a configuration property.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultConfiguration

public DefaultConfiguration(String[] args)

Create a new configuration instance.

Parameters:

args - Command line arguments

Method Details

getPropertyValue

public <T> Optional<T> getPropertyValue(String propertyName,
 Class<T> type)

Description copied from interface: Configuration

Get the value of a configuration property.

Specified by:

getPropertyValue in interface Configuration

Type Parameters:

T - Type of the property value

Parameters:

propertyName - Name of the property

type - Type of the property value

Returns:

Value of the property or empty if the property is missing

getPropertyValue

public <T> T getPropertyValue(String propertyName,
 Class<T> type,
 T defaultValue)

Description copied from interface: Configuration

Get the value of a configuration property.

Specified by:

getPropertyValue in interface Configuration

Type Parameters:

T - Type of the property value

Parameters:

propertyName - Name of the property

type - Type of the property value

defaultValue - Default value if the property is missing

Returns:

Value of the property or the default value if the property is missing

getRequiredPropertyValue

public <T> T getRequiredPropertyValue(String propertyName,
 Class<T> type)
                               throws MissingConfigurationPropertyException

Description copied from interface: Configuration

Get a required value of a configuration property.

Specified by:

getRequiredPropertyValue in interface Configuration

Type Parameters:

T - Type of the property value

Parameters:

propertyName - Name of the property

type - Type of the property value

Returns:

Value of the property

Throws:

MissingConfigurationPropertyException - If the property is missing

addConfigurationProvider

public void addConfigurationProvider(ConfigurationProvider provider)

Add a configuration provider.

Parameters:

provider - Configuration provider to be added