Packages 
Package Description
org.springframework.security.ldap
Spring Security's LDAP module.
org.springframework.security.ldap.authentication
The LDAP authentication provider package.
org.springframework.security.ldap.authentication.ad  
org.springframework.security.ldap.jackson2  
org.springframework.security.ldap.ppolicy
Implementation of password policy functionality based on the Password Policy for LDAP Directories.
org.springframework.security.ldap.search
LdapUserSearch implementations.
org.springframework.security.ldap.server
Embedded Apache Directory Server implementation, as used by the configuration namespace.
org.springframework.security.ldap.userdetails
LDAP-focused UserDetails implementations which map from a ubset of the data contained in some of the standard LDAP types (such as InetOrgPerson).