public class GetPropertyAction extends Object implements PrivilegedAction
The following code retrieves the value of the system property named
"prop" as a
String s = (String) String.doPrivileged( new GetPropertyAction("prop"));
If the protection domain of the immediate caller of
doPrivileged or the
protection domain of this class does not imply the permissions necessary for the operation, the
behavior is as if the system property is not defined.
|Constructor and Description|
Constructor that takes the name of the system property whose string value needs to be determined.
Constructor that takes the name of the system property and the default value of that property.
|Modifier and Type||Method and Description|
Determines the string value of the system property whose name was specified in the constructor.
public GetPropertyAction(String theProp)
theProp- the name of the system property
public Object run()
If the system property is defined, then this method returns its value. Otherwise, if a
default value was supplied to this object's constructor, then this method returns that
default value, or else
null is returned.
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