Package org.apache.juneau.commons.settings

Class SystemEnvPropertySource

java.lang.Object

org.apache.juneau.commons.settings.SystemEnvPropertySource

All Implemented Interfaces:

PropertySource

public class SystemEnvPropertySource
extends Object
implements PropertySource

Property source backed by System.getenv(String).

Constructor Summary

Constructors

Constructor	Description
SystemEnvPropertySource()

Method Summary

Modifier and Type	Method	Description
PropertyLookupResult	get(String name)	Returns a property in this property source.

Methods inherited from class java.lang.Object

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

Constructor Details

SystemEnvPropertySource

public SystemEnvPropertySource()

Method Details

get

public PropertyLookupResult get(String name)

Description copied from interface: PropertySource

Returns a property in this property source.

Specified by:

get in interface PropertySource

Parameters:

name - The property name.

Returns:

The property lookup result:

• PropertyLookupResult.missing() if this source does not define the key.
• PropertyLookupResult.present(Optional) with Optional.empty() if the key exists with a null value.
• PropertyLookupResult.present(Optional) with a value if the key exists with a non-null value.