| java.lang.Object
 com.ecyrd.jspwiki.auth.acl.AclImpl
| AclImpl | | public class AclImpl implements Acl(Code) | | JSPWiki implementation of an Access Control List.
author:
Janne Jalkanen
author:
Andrew Jaquith
since:
2.3 |
| Constructor Summary | |
| public | AclImpl()
Constructs a new AclImpl instance. |
| Method Summary | |
| public synchronized boolean | addEntry(AclEntry entry)
Adds an ACL entry to this ACL. | | public Enumeration | entries()
Returns an enumeration of the entries in this ACL. | | public Principal[] | findPrincipals(Permission permission)
Returns all Principal objects assigned a given Permission in the access
control list. | | public AclEntry | getEntry(Principal principal)
Returns an AclEntry for a supplied Principal, or null if
the Principal does not have a matching AclEntry. | | public boolean | isEmpty()
Returns true, if this Acl is empty. | | public synchronized boolean | removeEntry(AclEntry entry)
Removes an ACL entry from this ACL. | | public String | toString()
Returns a string representation of the contents of this Acl. |
| AclImpl | | public AclImpl()(Code) | | Constructs a new AclImpl instance.
|
| addEntry | | public synchronized boolean addEntry(AclEntry entry)(Code) | | Adds an ACL entry to this ACL. An entry associates a principal (e.g., an
individual or a group) with a set of permissions. Each principal can have
at most one positive ACL entry, specifying permissions to be granted to
the principal. If there is already an ACL entry already in the ACL, false
is returned.
Parameters:
entry - - the ACL entry to be added to this ACL true on success, false if an entry of the same type (positive ornegative) for the same principal is already present in this ACL |
| entries | | public Enumeration entries()(Code) | | Returns an enumeration of the entries in this ACL. Each element in the
enumeration is of type AclEntry.
an enumeration of the entries in this ACL. |
| findPrincipals | | public Principal[] findPrincipals(Permission permission)(Code) | | Returns all Principal objects assigned a given Permission in the access
control list. The Princiapls returned are those that have been granted
either the supplied permission, or a permission implied by the supplied
permission. Principals are not "expanded" if they are a role or group.
Parameters:
permission - the permission to search for an array of Principals posessing the permission |
| getEntry | | public AclEntry getEntry(Principal principal)(Code) | | Returns an AclEntry for a supplied Principal, or null if
the Principal does not have a matching AclEntry.
Parameters:
principal - the principal to search for the AclEntry associated with the principal, or null |
| isEmpty | | public boolean isEmpty()(Code) | | Returns true, if this Acl is empty.
the result
since:
2.4.68 |
| removeEntry | | public synchronized boolean removeEntry(AclEntry entry)(Code) | | Removes an ACL entry from this ACL.
Parameters:
entry - the ACL entry to be removed from this ACL true on success, false if the entry is not part of this ACL |
| toString | | public String toString()(Code) | | Returns a string representation of the contents of this Acl.
the string representation |
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