See Also: PolicySpi Members
Represents the Service Provider Interface (SPI) for java.security.Policy class.
If there is any class that wants to provide a Policy implementation, all abstract methods in this SPI should be implemented.
The detailed implementations should offer a public constructor, in which a Policy.Paramters implementation acts as an input parameter.If the Policy.Paramters input cannot by understood by the constructor, an IllegalArgumentException will be thrown.