Package com.suse.common.configuration

Class MultipleConfigurationSource

java.lang.Object

com.suse.common.configuration.MultipleConfigurationSource

All Implemented Interfaces:

ConfigurationSource

public class MultipleConfigurationSource
extends Object
implements ConfigurationSource

Field Summary

Fields

Modifier and Type	Field	Description
private final Deque<ConfigurationSource>	configurationSources

Constructor Summary

Constructors

Constructor	Description
MultipleConfigurationSource(List<ConfigurationSource> configurationSourcesIn)	Build a combined configuration source from the combination of all the ones specified in the list.

Method Summary

Modifier and Type	Method	Description
Optional<Boolean>	getBoolean(String property)	Retrieve the boolean value of a property.
Optional<Double>	getDouble(String property)	Retrieve the double value of a property.
private <T> Optional<T>	getFirstValue(String property, BiFunction<ConfigurationSource,String,Optional<T>> propertyRetriever)
Optional<Float>	getFloat(String property)	Retrieve the float value of a property.
Optional<Integer>	getInteger(String property)	Retrieve the integer value of a property.
<T> Optional<List<T>>	getList(String property, Class<T> itemClass)	Retrieve the list value of a property.
Optional<Long>	getLong(String property)	Retrieve the long value of a property.
Set<String>	getPropertyNames()	Retrieves the names of all the available properties.
Optional<String>	getString(String property)	Retrieve the string value of a property.
Properties	toProperties()	Converts this configuration source to a Properties object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.suse.common.configuration.ConfigurationSource

requireBoolean, requireDouble, requireFloat, requireInteger, requireList, requireLong, requireString

Field Details

configurationSources

private final Deque<ConfigurationSource> configurationSources

Constructor Details

MultipleConfigurationSource

public MultipleConfigurationSource(List<ConfigurationSource> configurationSourcesIn)

Build a combined configuration source from the combination of all the ones specified in the list.

Parameters:

configurationSourcesIn - the list of sources. The order of the sources will be respected when retrieving the properties.

Method Details

getBoolean

public Optional<Boolean> getBoolean(String property)

Description copied from interface: ConfigurationSource

Retrieve the boolean value of a property.

Specified by:

getBoolean in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the boolean wrapped into an Optional

getString

public Optional<String> getString(String property)

Description copied from interface: ConfigurationSource

Retrieve the string value of a property.

Specified by:

getString in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the string wrapped into an Optional

getInteger

public Optional<Integer> getInteger(String property)

Description copied from interface: ConfigurationSource

Retrieve the integer value of a property.

Specified by:

getInteger in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the integer wrapped into an Optional

getLong

public Optional<Long> getLong(String property)

Description copied from interface: ConfigurationSource

Retrieve the long value of a property.

Specified by:

getLong in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the long wrapped into an Optional

getFloat

public Optional<Float> getFloat(String property)

Description copied from interface: ConfigurationSource

Retrieve the float value of a property.

Specified by:

getFloat in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the float wrapped into an Optional

getDouble

public Optional<Double> getDouble(String property)

Description copied from interface: ConfigurationSource

Retrieve the double value of a property.

Specified by:

getDouble in interface ConfigurationSource

Parameters:

property - the property name

Returns:

the double wrapped into an Optional

getList

public <T> Optional<List<T>> getList(String property,
 Class<T> itemClass)

Description copied from interface: ConfigurationSource

Retrieve the list value of a property.

Specified by:

getList in interface ConfigurationSource

Type Parameters:

T - the type of item of the list

Parameters:

property - the property name

itemClass - the type of item of the list.

Returns:

the list wrapped into an Optional

getFirstValue

private <T> Optional<T> getFirstValue(String property,
 BiFunction<ConfigurationSource,String,Optional<T>> propertyRetriever)

getPropertyNames

public Set<String> getPropertyNames()

Description copied from interface: ConfigurationSource

Retrieves the names of all the available properties.

Specified by:

getPropertyNames in interface ConfigurationSource

Returns:

the set of property names

toProperties

public Properties toProperties()

Description copied from interface: ConfigurationSource

Converts this configuration source to a Properties object.

Specified by:

toProperties in interface ConfigurationSource

Returns:

all the properties value stored into Properties object