IT. Expert System.

public abstract class Policy
extends Object

• Nested Class Summary

  Nested Classes

  Modifier and Type	Class and Description
  static interface	Policy.Parameters Legacy security code; do not use.

• Field Summary

  Fields

  Modifier and Type	Field and Description
  static PermissionCollection	UNSUPPORTED_EMPTY_COLLECTION

• Constructor Summary

  Constructors

  Constructor and Description
  Policy()

• Method Summary

  Methods

  Modifier and Type	Method and Description
  static Policy	getInstance(String type, Policy.Parameters params)
  static Policy	getInstance(String type, Policy.Parameters params, Provider provider)
  static Policy	getInstance(String type, Policy.Parameters params, String provider)
  Policy.Parameters	getParameters()
  PermissionCollection	getPermissions(CodeSource cs)
  PermissionCollection	getPermissions(ProtectionDomain domain)
  static Policy	getPolicy()
  Provider	getProvider()
  String	getType()
  boolean	implies(ProtectionDomain domain, Permission permission)
  void	refresh()
  static void	setPolicy(Policy policy)

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • UNSUPPORTED_EMPTY_COLLECTION

    public static final PermissionCollection UNSUPPORTED_EMPTY_COLLECTION

• Constructor Detail

  • Policy

    public Policy()

• Method Detail

  • getInstance

    public static Policy getInstance(String type,
                     Policy.Parameters params)
                              throws NoSuchAlgorithmException

    Throws:

    NoSuchAlgorithmException

  • getInstance

    public static Policy getInstance(String type,
                     Policy.Parameters params,
                     String provider)
                              throws NoSuchProviderException,
                                     NoSuchAlgorithmException

    Throws:

    NoSuchProviderException

    NoSuchAlgorithmException

  • getInstance

    public static Policy getInstance(String type,
                     Policy.Parameters params,
                     Provider provider)
                              throws NoSuchAlgorithmException

    Throws:

    NoSuchAlgorithmException

  • getParameters

    public Policy.Parameters getParameters()

  • getProvider

    public Provider getProvider()

  • getType

    public String getType()

  • getPermissions

    public PermissionCollection getPermissions(CodeSource cs)

  • refresh

    public void refresh()

  • getPermissions

    public PermissionCollection getPermissions(ProtectionDomain domain)

  • implies

    public boolean implies(ProtectionDomain domain,
                  Permission permission)

  • getPolicy

    public static Policy getPolicy()

  • setPolicy

    public static void setPolicy(Policy policy)