public final class SystemProfileValueSource extends Object implements ProfileValueSource
ProfileValueSource which uses system properties as
 the underlying source.| Modifier and Type | Method and Description | 
|---|---|
String | 
get(String key)
Get the profile value indicated by the specified key from the
 system properties. 
 | 
static SystemProfileValueSource | 
getInstance()
Obtain the canonical instance of this ProfileValueSource. 
 | 
public static final SystemProfileValueSource getInstance()
public String get(String key)
get in interface ProfileValueSourcekey - the name of the profile valuenull
 if there is no profile value with that keySystem.getProperty(String)