Package org.apache.wiki.auth.acl

Class AclImpl

java.lang.Object
org.apache.wiki.auth.acl.AclImpl
All Implemented Interfaces:
java.io.Serializable, Acl, Acl
public class AclImpl
extends java.lang.Object
implements Acl, java.io.Serializable
JSPWiki implementation of an Access Control List.
Since:
2.3
See Also:
Serialized Form

  • Constructor Summary

    Constructors
    Constructor Description
    AclImpl()
    Constructs a new AclImpl instance.

  • Method Summary

    Modifier and Type Method Description
    java.util.Enumeration<AclEntry> aclEntries()
    Returns an enumeration of the entries in this ACL.
    boolean addEntry​(AclEntry entry)
    Adds an ACL entry to this ACL.
    java.security.Principal[] findPrincipals​(java.security.Permission permission)
    Returns all Principal objects assigned a given Permission in the access control list.
    AclEntry getAclEntry​(java.security.Principal principal)
    Returns an AclEntry for a supplied Principal, or null if the Principal does not have a matching AclEntry.
    boolean isEmpty()
    Returns true, if this Acl is empty.
    boolean removeEntry​(AclEntry entry)
    Removes an ACL entry from this ACL.
    java.lang.String toString()

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.wiki.auth.acl.Acl

    addEntry, entries, getEntry, removeEntry

  • Constructor Details

    • AclImpl

      public AclImpl()
      Constructs a new AclImpl instance.

  • Method Details

    • findPrincipals

      public java.security.Principal[] findPrincipals​(java.security.Permission permission)
      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.
      Specified by:
      findPrincipals in interface Acl
      Parameters:
      permission - the permission to search for
      Returns:
      an array of Principals posessing the permission

    • addEntry

      public boolean addEntry​(AclEntry entry)
      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.
      Specified by:
      addEntry in interface Acl
      Parameters:
      entry - - the ACL entry to be added to this ACL
      Returns:
      true on success, false if an entry of the same type (positive or negative) for the same principal is already present in this ACL

    • removeEntry

      public boolean removeEntry​(AclEntry entry)
      Removes an ACL entry from this ACL.
      Specified by:
      removeEntry in interface Acl
      Parameters:
      entry - the ACL entry to be removed from this ACL
      Returns:
      true on success, false if the entry is not part of this ACL

    • aclEntries

      public java.util.Enumeration<AclEntry> aclEntries()
      Returns an enumeration of the entries in this ACL. Each element in the enumeration is of type AclEntry.
      Specified by:
      aclEntries in interface Acl
      Returns:
      an enumeration of the entries in this ACL.

    • getAclEntry

      public AclEntry getAclEntry​(java.security.Principal principal)
      Returns an AclEntry for a supplied Principal, or null if the Principal does not have a matching AclEntry.
      Specified by:
      getAclEntry in interface Acl
      Parameters:
      principal - the principal to search for
      Returns:
      the AclEntry associated with the principal, or null

    • isEmpty

      public boolean isEmpty()
      Returns true, if this Acl is empty.
      Specified by:
      isEmpty in interface Acl
      Returns:
      the result

    • toString

      public java.lang.String toString()
      Overrides:
      toString in class java.lang.Object