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Class ajanta.security.acl.AclEntryImpl

java.lang.Object
   |
   +----ajanta.security.acl.AclEntryImpl

public class AclEntryImpl

extends Object

implements AclEntry, Serializable

See Also:

AclEntry

AclEntryImpl()

Constructs a AclEntryImpl object

AclEntryImpl(Principal)

Constructs a AclEntryImpl object

addPermission(Permission)

Adds the specified permission to this ACL entry.

checkPermission(Permission)

Checks if the specified permission is part of the permission set in this entry.

clone()

Clones this ACL entry

getPrincipal()

Returns the principal for which permissions are granted or denied by this ACL entry.

isNegative()

Returns true if this is a negative ACL entry (one denying the associated principal the set of permissions in the entry), false otherwise.

permissions()

Returns an enumeration of the permissions in this ACL entry.

removePermission(Permission)

Removes the specified permission from this ACL entry.

setNegativePermissions()

Sets this ACL entry to be a negative one.

setPrincipal(Principal)

Specifies the principal for which permissions are granted or denied by this ACL entry

toString()

Returns a string representation of the contents of this ACL entry.

 public AclEntryImpl()

Constructs a AclEntryImpl object

 public AclEntryImpl(Principal principal)

Constructs a AclEntryImpl object

Parameters:

principal - - principal for which this AclEntry is created

 public boolean setPrincipal(Principal user)

Specifies the principal for which permissions are granted or denied by this ACL entry

Parameters:

user - - the principal to be set for this entry.

Returns:

true if the principal is set, false if there was already a principal set for this entry.

 public Principal getPrincipal()

Returns the principal for which permissions are granted or denied by this ACL entry. Returns null if there is no principal set for this entry yet.

Returns:

the principal associated with this entry.

 public void setNegativePermissions()

Sets this ACL entry to be a negative one. That is, the associated principal (e.g., a user or a group) will be denied the permission set specified in the entry. Note: ACL entries are by default positive. An entry becomes a negative entry only if this setNegativePermissions method is called on it.

 public boolean isNegative()

Returns true if this is a negative ACL entry (one denying the associated principal the set of permissions in the entry), false otherwise.

Returns:

true if this is a negative ACL entry, false if it's not.

 public boolean addPermission(Permission permission)

Adds the specified permission to this ACL entry. Note: An entry can have multiple permissions.

Parameters:

permission - - the permission to be associated with the principal in this entry.

Returns:

true if the permission was added, false if the permission was already part of this entry's permission set.

 public boolean removePermission(Permission permission)

Removes the specified permission from this ACL entry.

Parameters:

permission - - the permission to be removed from this entry.

Returns:

true if the permission is removed, false if the permission was not part of this entry's permission set.

 public boolean checkPermission(Permission permission)

Checks if the specified permission is part of the permission set in this entry.

Returns:

true if the permission is part of the permission set in this entry, false otherwise.

 public Enumeration permissions()

Returns an enumeration of the permissions in this ACL entry.

Returns:

an enumeration of the permissions in this ACL entry.

 public String toString()

Returns a string representation of the contents of this ACL entry.

Returns:

a string representation of the contents.

Overrides:

toString in class Object

 public Object clone()

Clones this ACL entry

Returns:

a clone of this ACL entry.

Overrides:

clone in class Object

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