Web technologies -- Laboratory 11 -- 2007-2008 -- info.uvt.ro

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JNDI -- Java Naming and Directory Interface

References

• JNDI -- Wikipedia
• JNDI -- Sun

Tutorials

• The JNDI Tutorial

API

• javax.naming
  • InitialContext
• javax.naming.directory
  • InitialDirContext
  • Attributes
  • Attribute
  • SearchResult
  • SearchControls

LDAP -- Lightweight Directory Access Protocol

References

• LDAP -- Wikipedia
• Directory service

Tutorials

• LDAP and JNDI: Together forever
• Tips for LDAP Users
• JNDI and OpenLDAP Tutorial

Servers

• OpenLDAP
• Apache Directory Server

Tools

• Apache Directory Studio

Discussion points

• LDAP -- directory service access protocol;
• directory service -- an application that stores and organizes information (usually about users, computers, or organizational entities) in (usually) a hierarchical structure;
  • directory -- a tree of entries;
  • entry -- a set of attributes;
  • attribute -- a pair of name and value (or possibly multiple values);
  • each entry has at least one class;
  • each entry has an unique name -- DN (Distinguished Name);
  • example entry:

dn: cn=John Doe,dc=example,dc=com
cn: John Doe
givenName: John
sn: Doe
telephoneNumber: +1 888 555 6789
telephoneNumber: +1 888 555 1232
mail: john@example.com
manager: cn=Barbara Doe,dc=example,dc=com
objectClass: inetOrgPerson
objectClass: organizationalPerson
objectClass: person
objectClass: top

• operations:
  • search / retrieve entities;
  • create / destroy / update entities;
• usage;
• LDAP protocol:
  • binary protocol based on TCP/IP;
  • we refer to directory services by an URL:

ldap://host:port/

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Ciprian Dorin Craciun, 2008-01-10, ccraciun@info.uvt.ro