org.norther.tammi.core.security
Class ExtendedPermissions

java.lang.Object
  java.security.PermissionCollection
      org.norther.tammi.core.security.ExtendedPermissions

All Implemented Interfaces:

Serializable

public class ExtendedPermissions
extends PermissionCollection
implements Serializable

An extension to permissions providing an implies method for checking partial matches of resource permissions.

Author:

Ilkka Priha

See Also:

Serialized Form

Constructor Summary

ExtendedPermissions()
Constructs a new resource permissions.

Method Summary

void	add(Permission permission) Adds a permission object to the permission collection.
Enumeration	elements() Returns an enumeration of all permission objects.
boolean	implies(Permission permission) Checks if permissions of this object imply the specified permission.
boolean	isReadOnly() Checks the readonly flag.
void	setReadOnly() Sets the readonly flag.
String	toString() Returns a string presentation of all permissions.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtendedPermissions

public ExtendedPermissions()

Constructs a new resource permissions.

Method Detail

add

public void add(Permission permission)

Adds a permission object to the permission collection.

Specified by:

add in class PermissionCollection

Parameters:

permission - the permission object to add.

Throws:

SecurityException - if permissions is marked as read-only.

implies

public boolean implies(Permission permission)

Checks if permissions of this object imply the specified permission.

Specified by:

implies in class PermissionCollection

Parameters:

permission - the permission to check against.

Returns:

true if the specified permission is implied by this object.

elements

public Enumeration elements()

Returns an enumeration of all permission objects.

Specified by:

elements in class PermissionCollection

Returns:

an enumeration of all permissions.

isReadOnly

public boolean isReadOnly()

Checks the readonly flag.

Overrides:

isReadOnly in class PermissionCollection

Returns:

true or false.

setReadOnly

public void setReadOnly()

Sets the readonly flag.

Overrides:

setReadOnly in class PermissionCollection

toString

public String toString()

Returns a string presentation of all permissions.

Overrides:

toString in class PermissionCollection

Returns:

a permissions string.