SystemProfileValueSource (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.test.annotation.SystemProfileValueSource

All Implemented Interfaces:
ProfileValueSource
```
public final class SystemProfileValueSource
extends Object
implements ProfileValueSource
```
Implementation of ProfileValueSource which uses system properties as the underlying source.
Since:
2.0
Author:
Rod Johnson, Sam Brannen

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - getInstance
```
public static final SystemProfileValueSource getInstance()
```
    Obtain the canonical instance of this ProfileValueSource.
  - get
```
public String get(String key)
```
    Get the profile value indicated by the specified key from the system properties.
    Specified by:
    get in interface ProfileValueSource
    Parameters:
    key - the name of the profile value
    Returns:
    the String value of the profile value, or null if there is no profile value with that key
    See Also:
    System.getProperty(String)