java.security: final class: AllPermissionCollection

java.security
final class: AllPermissionCollection [javadoc | source]

java.lang.Object
   java.security.PermissionCollection
      java.security.AllPermissionCollection

All Implemented Interfaces:
Serializable

Direct Known Subclasses:
AllPermissionCollection

Specific {@code PermissionCollection} for storing {@code AllPermission}s. All instances of {@code AllPermission} are equivalent, so it is enough to store a single added instance.

Also see:

AllPermission

Nested Class Summary:
static final class	AllPermissionCollection.SingletonEnumeration	An auxiliary implementation for enumerating a single object.

Method from java.security.AllPermissionCollection Summary:
add, elements, implies

Methods from java.security.PermissionCollection:
add, elements, implies, isReadOnly, setReadOnly, toString

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

Method from java.security.AllPermissionCollection Detail:
public void add(Permission permission) { if (isReadOnly()) { throw new SecurityException(Messages.getString("security.15")); //$NON-NLS-1$ } if (!(permission instanceof AllPermission)) { throw new IllegalArgumentException(Messages.getString("security.16", //$NON-NLS-1$ permission)); } all = permission; } Adds an {@code AllPermission} to the collection.
public Enumeration<Permission> elements() { return new SingletonEnumeration< Permission >(all); } Returns the enumeration of the collection.
public boolean implies(Permission permission) { return all != null; } Indicates whether the argument permission is implied by the receiver. {@code AllPermission} objects imply all other permissions.

Method from java.security.AllPermissionCollection Detail:

 public  void add(Permission permission) {
        if (isReadOnly()) {
            throw new SecurityException(Messages.getString("security.15")); //$NON-NLS-1$
        }
        if (!(permission instanceof AllPermission)) {
            throw new IllegalArgumentException(Messages.getString("security.16", //$NON-NLS-1$
                permission));
        }
        all = permission;
}

Adds an {@code AllPermission} to the collection.

 public Enumeration<Permission> elements() {
        return new SingletonEnumeration< Permission >(all);
}

Returns the enumeration of the collection.

 public boolean implies(Permission permission) {
        return all != null;
}

Indicates whether the argument permission is implied by the receiver. {@code AllPermission} objects imply all other permissions.